CVE-2006-4812

highpriority · attend · 57EPSS 0.204 · 97 %ileexploit · functionalEUUS
grimoire priorityP1 · Urgent
Exploitable?
Public exploit
1 exploit · functional
Likely / severe?
20.4% (97th) EPSS
CVSS 10 · high
Is it mine?
75 products
Check your exposure
Who says so?
3 sources
enisa_euvd · nvd · redhat_csaf

EPSS · scored 2026-10-27

Integer overflow in PHP 5 up to 5.1.6 and 4 before 4.3.0 allows remote attackers to execute arbitrary code via an argument to the unserialize PHP function with a large value for the number of array elements, which triggers the overflow in the Zend Engine ecalloc function (Zend/zend_alloc.c).

01

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

  • Fixedphp-0:4.1.2-2.12.i386 as a component of Red Hat Enterprise Linux AS (Advanced Server) version 2.1 redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied. This update is available via Red Hat Network. To use Red Hat Network, launch the Red Hat Update Agent with the following command: up2date This will start an interactive process that will result in the appropriate RPMs being upgraded on your system.

    https://access.redhat.com/errata/RHSA-2006:0708
  • Fixedphp-0:4.1.2-2.12.i386 as a component of Red Hat Enterprise Linux ES version 2.1redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied. This update is available via Red Hat Network. To use Red Hat Network, launch the Red Hat Update Agent with the following command: up2date This will start an interactive process that will result in the appropriate RPMs being upgraded on your system.

    https://access.redhat.com/errata/RHSA-2006:0708
  • Fixedphp-0:4.1.2-2.12.i386 as a component of Red Hat Enterprise Linux WS version 2.1redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied. This update is available via Red Hat Network. To use Red Hat Network, launch the Red Hat Update Agent with the following command: up2date This will start an interactive process that will result in the appropriate RPMs being upgraded on your system.

    https://access.redhat.com/errata/RHSA-2006:0708
  • Fixedphp-0:4.1.2-2.12.ia64 as a component of Red Hat Enterprise Linux AS (Advanced Server) version 2.1 redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied. This update is available via Red Hat Network. To use Red Hat Network, launch the Red Hat Update Agent with the following command: up2date This will start an interactive process that will result in the appropriate RPMs being upgraded on your system.

    https://access.redhat.com/errata/RHSA-2006:0708
  • Fixedphp-0:4.1.2-2.12.ia64 as a component of Red Hat Linux Advanced Workstation 2.1redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied. This update is available via Red Hat Network. To use Red Hat Network, launch the Red Hat Update Agent with the following command: up2date This will start an interactive process that will result in the appropriate RPMs being upgraded on your system.

    https://access.redhat.com/errata/RHSA-2006:0708
  • Fixedphp-0:4.1.2-2.12.src as a component of Red Hat Enterprise Linux AS (Advanced Server) version 2.1 redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied. This update is available via Red Hat Network. To use Red Hat Network, launch the Red Hat Update Agent with the following command: up2date This will start an interactive process that will result in the appropriate RPMs being upgraded on your system.

    https://access.redhat.com/errata/RHSA-2006:0708
  • Fixedphp-0:4.1.2-2.12.src as a component of Red Hat Enterprise Linux ES version 2.1redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied. This update is available via Red Hat Network. To use Red Hat Network, launch the Red Hat Update Agent with the following command: up2date This will start an interactive process that will result in the appropriate RPMs being upgraded on your system.

    https://access.redhat.com/errata/RHSA-2006:0708
  • Fixedphp-0:4.1.2-2.12.src as a component of Red Hat Enterprise Linux WS version 2.1redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied. This update is available via Red Hat Network. To use Red Hat Network, launch the Red Hat Update Agent with the following command: up2date This will start an interactive process that will result in the appropriate RPMs being upgraded on your system.

    https://access.redhat.com/errata/RHSA-2006:0708
  • Fixedphp-0:4.1.2-2.12.src as a component of Red Hat Linux Advanced Workstation 2.1redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied. This update is available via Red Hat Network. To use Red Hat Network, launch the Red Hat Update Agent with the following command: up2date This will start an interactive process that will result in the appropriate RPMs being upgraded on your system.

    https://access.redhat.com/errata/RHSA-2006:0708
  • Fixedphp-devel-0:4.1.2-2.12.i386 as a component of Red Hat Enterprise Linux AS (Advanced Server) version 2.1 redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied. This update is available via Red Hat Network. To use Red Hat Network, launch the Red Hat Update Agent with the following command: up2date This will start an interactive process that will result in the appropriate RPMs being upgraded on your system.

    https://access.redhat.com/errata/RHSA-2006:0708
  • Fixedphp-devel-0:4.1.2-2.12.i386 as a component of Red Hat Enterprise Linux ES version 2.1redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied. This update is available via Red Hat Network. To use Red Hat Network, launch the Red Hat Update Agent with the following command: up2date This will start an interactive process that will result in the appropriate RPMs being upgraded on your system.

    https://access.redhat.com/errata/RHSA-2006:0708
  • Fixedphp-devel-0:4.1.2-2.12.i386 as a component of Red Hat Enterprise Linux WS version 2.1redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied. This update is available via Red Hat Network. To use Red Hat Network, launch the Red Hat Update Agent with the following command: up2date This will start an interactive process that will result in the appropriate RPMs being upgraded on your system.

    https://access.redhat.com/errata/RHSA-2006:0708
  • Fixedphp-devel-0:4.1.2-2.12.ia64 as a component of Red Hat Enterprise Linux AS (Advanced Server) version 2.1 redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied. This update is available via Red Hat Network. To use Red Hat Network, launch the Red Hat Update Agent with the following command: up2date This will start an interactive process that will result in the appropriate RPMs being upgraded on your system.

    https://access.redhat.com/errata/RHSA-2006:0708
  • Fixedphp-devel-0:4.1.2-2.12.ia64 as a component of Red Hat Linux Advanced Workstation 2.1redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied. This update is available via Red Hat Network. To use Red Hat Network, launch the Red Hat Update Agent with the following command: up2date This will start an interactive process that will result in the appropriate RPMs being upgraded on your system.

    https://access.redhat.com/errata/RHSA-2006:0708
  • Fixedphp-imap-0:4.1.2-2.12.i386 as a component of Red Hat Enterprise Linux AS (Advanced Server) version 2.1 redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied. This update is available via Red Hat Network. To use Red Hat Network, launch the Red Hat Update Agent with the following command: up2date This will start an interactive process that will result in the appropriate RPMs being upgraded on your system.

    https://access.redhat.com/errata/RHSA-2006:0708
  • Fixedphp-imap-0:4.1.2-2.12.i386 as a component of Red Hat Enterprise Linux ES version 2.1redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied. This update is available via Red Hat Network. To use Red Hat Network, launch the Red Hat Update Agent with the following command: up2date This will start an interactive process that will result in the appropriate RPMs being upgraded on your system.

    https://access.redhat.com/errata/RHSA-2006:0708
  • Fixedphp-imap-0:4.1.2-2.12.i386 as a component of Red Hat Enterprise Linux WS version 2.1redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied. This update is available via Red Hat Network. To use Red Hat Network, launch the Red Hat Update Agent with the following command: up2date This will start an interactive process that will result in the appropriate RPMs being upgraded on your system.

    https://access.redhat.com/errata/RHSA-2006:0708
  • Fixedphp-imap-0:4.1.2-2.12.ia64 as a component of Red Hat Enterprise Linux AS (Advanced Server) version 2.1 redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied. This update is available via Red Hat Network. To use Red Hat Network, launch the Red Hat Update Agent with the following command: up2date This will start an interactive process that will result in the appropriate RPMs being upgraded on your system.

    https://access.redhat.com/errata/RHSA-2006:0708
  • Fixedphp-imap-0:4.1.2-2.12.ia64 as a component of Red Hat Linux Advanced Workstation 2.1redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied. This update is available via Red Hat Network. To use Red Hat Network, launch the Red Hat Update Agent with the following command: up2date This will start an interactive process that will result in the appropriate RPMs being upgraded on your system.

    https://access.redhat.com/errata/RHSA-2006:0708
  • Fixedphp-ldap-0:4.1.2-2.12.i386 as a component of Red Hat Enterprise Linux AS (Advanced Server) version 2.1 redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied. This update is available via Red Hat Network. To use Red Hat Network, launch the Red Hat Update Agent with the following command: up2date This will start an interactive process that will result in the appropriate RPMs being upgraded on your system.

    https://access.redhat.com/errata/RHSA-2006:0708
  • Fixedphp-ldap-0:4.1.2-2.12.i386 as a component of Red Hat Enterprise Linux ES version 2.1redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied. This update is available via Red Hat Network. To use Red Hat Network, launch the Red Hat Update Agent with the following command: up2date This will start an interactive process that will result in the appropriate RPMs being upgraded on your system.

    https://access.redhat.com/errata/RHSA-2006:0708
  • Fixedphp-ldap-0:4.1.2-2.12.i386 as a component of Red Hat Enterprise Linux WS version 2.1redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied. This update is available via Red Hat Network. To use Red Hat Network, launch the Red Hat Update Agent with the following command: up2date This will start an interactive process that will result in the appropriate RPMs being upgraded on your system.

    https://access.redhat.com/errata/RHSA-2006:0708
  • Fixedphp-ldap-0:4.1.2-2.12.ia64 as a component of Red Hat Enterprise Linux AS (Advanced Server) version 2.1 redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied. This update is available via Red Hat Network. To use Red Hat Network, launch the Red Hat Update Agent with the following command: up2date This will start an interactive process that will result in the appropriate RPMs being upgraded on your system.

    https://access.redhat.com/errata/RHSA-2006:0708
  • Fixedphp-ldap-0:4.1.2-2.12.ia64 as a component of Red Hat Linux Advanced Workstation 2.1redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied. This update is available via Red Hat Network. To use Red Hat Network, launch the Red Hat Update Agent with the following command: up2date This will start an interactive process that will result in the appropriate RPMs being upgraded on your system.

    https://access.redhat.com/errata/RHSA-2006:0708
  • Fixedphp-manual-0:4.1.2-2.12.i386 as a component of Red Hat Enterprise Linux AS (Advanced Server) version 2.1 redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied. This update is available via Red Hat Network. To use Red Hat Network, launch the Red Hat Update Agent with the following command: up2date This will start an interactive process that will result in the appropriate RPMs being upgraded on your system.

    https://access.redhat.com/errata/RHSA-2006:0708
  • Fixedphp-manual-0:4.1.2-2.12.i386 as a component of Red Hat Enterprise Linux ES version 2.1redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied. This update is available via Red Hat Network. To use Red Hat Network, launch the Red Hat Update Agent with the following command: up2date This will start an interactive process that will result in the appropriate RPMs being upgraded on your system.

    https://access.redhat.com/errata/RHSA-2006:0708
  • Fixedphp-manual-0:4.1.2-2.12.i386 as a component of Red Hat Enterprise Linux WS version 2.1redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied. This update is available via Red Hat Network. To use Red Hat Network, launch the Red Hat Update Agent with the following command: up2date This will start an interactive process that will result in the appropriate RPMs being upgraded on your system.

    https://access.redhat.com/errata/RHSA-2006:0708
  • Fixedphp-manual-0:4.1.2-2.12.ia64 as a component of Red Hat Enterprise Linux AS (Advanced Server) version 2.1 redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied. This update is available via Red Hat Network. To use Red Hat Network, launch the Red Hat Update Agent with the following command: up2date This will start an interactive process that will result in the appropriate RPMs being upgraded on your system.

    https://access.redhat.com/errata/RHSA-2006:0708
  • Fixedphp-manual-0:4.1.2-2.12.ia64 as a component of Red Hat Linux Advanced Workstation 2.1redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied. This update is available via Red Hat Network. To use Red Hat Network, launch the Red Hat Update Agent with the following command: up2date This will start an interactive process that will result in the appropriate RPMs being upgraded on your system.

    https://access.redhat.com/errata/RHSA-2006:0708
  • Fixedphp-mysql-0:4.1.2-2.12.i386 as a component of Red Hat Enterprise Linux AS (Advanced Server) version 2.1 redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied. This update is available via Red Hat Network. To use Red Hat Network, launch the Red Hat Update Agent with the following command: up2date This will start an interactive process that will result in the appropriate RPMs being upgraded on your system.

    https://access.redhat.com/errata/RHSA-2006:0708
  • Fixedphp-mysql-0:4.1.2-2.12.i386 as a component of Red Hat Enterprise Linux ES version 2.1redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied. This update is available via Red Hat Network. To use Red Hat Network, launch the Red Hat Update Agent with the following command: up2date This will start an interactive process that will result in the appropriate RPMs being upgraded on your system.

    https://access.redhat.com/errata/RHSA-2006:0708
  • Fixedphp-mysql-0:4.1.2-2.12.i386 as a component of Red Hat Enterprise Linux WS version 2.1redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied. This update is available via Red Hat Network. To use Red Hat Network, launch the Red Hat Update Agent with the following command: up2date This will start an interactive process that will result in the appropriate RPMs being upgraded on your system.

    https://access.redhat.com/errata/RHSA-2006:0708
  • Fixedphp-mysql-0:4.1.2-2.12.ia64 as a component of Red Hat Enterprise Linux AS (Advanced Server) version 2.1 redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied. This update is available via Red Hat Network. To use Red Hat Network, launch the Red Hat Update Agent with the following command: up2date This will start an interactive process that will result in the appropriate RPMs being upgraded on your system.

    https://access.redhat.com/errata/RHSA-2006:0708
  • Fixedphp-mysql-0:4.1.2-2.12.ia64 as a component of Red Hat Linux Advanced Workstation 2.1redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied. This update is available via Red Hat Network. To use Red Hat Network, launch the Red Hat Update Agent with the following command: up2date This will start an interactive process that will result in the appropriate RPMs being upgraded on your system.

    https://access.redhat.com/errata/RHSA-2006:0708
  • Fixedphp-odbc-0:4.1.2-2.12.i386 as a component of Red Hat Enterprise Linux AS (Advanced Server) version 2.1 redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied. This update is available via Red Hat Network. To use Red Hat Network, launch the Red Hat Update Agent with the following command: up2date This will start an interactive process that will result in the appropriate RPMs being upgraded on your system.

    https://access.redhat.com/errata/RHSA-2006:0708
  • Fixedphp-odbc-0:4.1.2-2.12.i386 as a component of Red Hat Enterprise Linux ES version 2.1redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied. This update is available via Red Hat Network. To use Red Hat Network, launch the Red Hat Update Agent with the following command: up2date This will start an interactive process that will result in the appropriate RPMs being upgraded on your system.

    https://access.redhat.com/errata/RHSA-2006:0708
  • Fixedphp-odbc-0:4.1.2-2.12.i386 as a component of Red Hat Enterprise Linux WS version 2.1redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied. This update is available via Red Hat Network. To use Red Hat Network, launch the Red Hat Update Agent with the following command: up2date This will start an interactive process that will result in the appropriate RPMs being upgraded on your system.

    https://access.redhat.com/errata/RHSA-2006:0708
  • Fixedphp-odbc-0:4.1.2-2.12.ia64 as a component of Red Hat Enterprise Linux AS (Advanced Server) version 2.1 redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied. This update is available via Red Hat Network. To use Red Hat Network, launch the Red Hat Update Agent with the following command: up2date This will start an interactive process that will result in the appropriate RPMs being upgraded on your system.

    https://access.redhat.com/errata/RHSA-2006:0708
  • Fixedphp-odbc-0:4.1.2-2.12.ia64 as a component of Red Hat Linux Advanced Workstation 2.1redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied. This update is available via Red Hat Network. To use Red Hat Network, launch the Red Hat Update Agent with the following command: up2date This will start an interactive process that will result in the appropriate RPMs being upgraded on your system.

    https://access.redhat.com/errata/RHSA-2006:0708
  • Fixedphp-pgsql-0:4.1.2-2.12.i386 as a component of Red Hat Enterprise Linux AS (Advanced Server) version 2.1 redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied. This update is available via Red Hat Network. To use Red Hat Network, launch the Red Hat Update Agent with the following command: up2date This will start an interactive process that will result in the appropriate RPMs being upgraded on your system.

    https://access.redhat.com/errata/RHSA-2006:0708
  • Fixedphp-pgsql-0:4.1.2-2.12.i386 as a component of Red Hat Enterprise Linux ES version 2.1redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied. This update is available via Red Hat Network. To use Red Hat Network, launch the Red Hat Update Agent with the following command: up2date This will start an interactive process that will result in the appropriate RPMs being upgraded on your system.

    https://access.redhat.com/errata/RHSA-2006:0708
  • Fixedphp-pgsql-0:4.1.2-2.12.i386 as a component of Red Hat Enterprise Linux WS version 2.1redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied. This update is available via Red Hat Network. To use Red Hat Network, launch the Red Hat Update Agent with the following command: up2date This will start an interactive process that will result in the appropriate RPMs being upgraded on your system.

    https://access.redhat.com/errata/RHSA-2006:0708
  • Fixedphp-pgsql-0:4.1.2-2.12.ia64 as a component of Red Hat Enterprise Linux AS (Advanced Server) version 2.1 redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied. This update is available via Red Hat Network. To use Red Hat Network, launch the Red Hat Update Agent with the following command: up2date This will start an interactive process that will result in the appropriate RPMs being upgraded on your system.

    https://access.redhat.com/errata/RHSA-2006:0708
  • Fixedphp-pgsql-0:4.1.2-2.12.ia64 as a component of Red Hat Linux Advanced Workstation 2.1redhat_csaf

    Before applying this update, make sure all previously released errata relevant to your system have been applied. This update is available via Red Hat Network. To use Red Hat Network, launch the Red Hat Update Agent with the following command: up2date This will start an interactive process that will result in the appropriate RPMs being upgraded on your system.

    https://access.redhat.com/errata/RHSA-2006:0708
02

cvss

Technical severity, 0–10. One row per scoring source.

10.0
010

base score 0–10 · higher = more severe · hover a vector to decode

v2.010highAV:N/AC:L/Au:N/C:C/I:C/A:Cprimary · NVD / NIST USexploitability 10 · impact 10
v2.09highAV:N/AC:L/Au:N/C:C/I:C/A:C/E:POCsecondary · CVSS-BT (t0sche)
03

weaknesses

The CWE weakness classes this flaw belongs to.

04

exploits (1)

Public proof-of-concept and weaponised exploit code.

05

affected products (75)

Products and version ranges known to be affected.

showing 20 of 75
06

advisories (1)

Vendor and ecosystem advisories describing this.

  • RHSA-2006:0708Red Hat Security Advisory: php security update2006-10-05csaf · redhat_csafUS

    Updated PHP packages that fix an integer overflow flaw are now available for Red Hat Enterprise Linux 2.1. This update has been rated as having important security impact by the Red Hat Security Response Team.

07

also known as (2)

Other names and identifiers for this entity.

08

sources

Which sources assert this record, and when.

published 2006-10-10modified 2026-06-16
10

references (52)

External citations — patches, advisories, analysis.

scry

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