CVE-2006-4019

mediumpriority · track · 39EPSS 0.100 · 96 %ileexploit · PoCEUUS
grimoire priorityP1 · Urgent
Exploitable?
Public exploit
1 exploit · PoC
Likely / severe?
9.98% (96th) EPSS
CVSS 6.4 · medium
Is it mine?
32 products
Check your exposure
Who says so?
3 sources
enisa_euvd · nvd · redhat_csaf

EPSS · scored 2026-10-27

Dynamic variable evaluation vulnerability in compose.php in SquirrelMail 1.4.0 to 1.4.7 allows remote attackers to overwrite arbitrary program variables and read or write the attachments and preferences of other users.

01

remediations

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

A vendor fix is available.

  • Fixedsquirrelmail-0:1.4.8-2.el3.noarch as a component of Red Hat Desktop version 3redhat_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-2006:0668
  • Fixedsquirrelmail-0:1.4.8-2.el3.noarch as a component of Red Hat Enterprise Linux AS version 3redhat_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-2006:0668
  • Fixedsquirrelmail-0:1.4.8-2.el3.noarch as a component of Red Hat Enterprise Linux ES version 3redhat_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-2006:0668
  • Fixedsquirrelmail-0:1.4.8-2.el3.noarch as a component of Red Hat Enterprise Linux WS version 3redhat_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-2006:0668
  • Fixedsquirrelmail-0:1.4.8-2.el3.src as a component of Red Hat Desktop version 3redhat_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-2006:0668
  • Fixedsquirrelmail-0:1.4.8-2.el3.src as a component of Red Hat Enterprise Linux AS version 3redhat_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-2006:0668
  • Fixedsquirrelmail-0:1.4.8-2.el3.src as a component of Red Hat Enterprise Linux ES version 3redhat_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-2006:0668
  • Fixedsquirrelmail-0:1.4.8-2.el3.src as a component of Red Hat Enterprise Linux WS version 3redhat_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-2006:0668
  • Fixedsquirrelmail-0:1.4.8-2.el4.noarch as a component of Red Hat Enterprise Linux AS version 4redhat_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-2006:0668
  • Fixedsquirrelmail-0:1.4.8-2.el4.noarch as a component of Red Hat Enterprise Linux Desktop version 4redhat_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-2006:0668
  • Fixedsquirrelmail-0:1.4.8-2.el4.noarch as a component of Red Hat Enterprise Linux ES version 4redhat_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-2006:0668
  • Fixedsquirrelmail-0:1.4.8-2.el4.noarch as a component of Red Hat Enterprise Linux WS version 4redhat_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-2006:0668
  • Fixedsquirrelmail-0:1.4.8-2.el4.src as a component of Red Hat Enterprise Linux AS version 4redhat_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-2006:0668
  • Fixedsquirrelmail-0:1.4.8-2.el4.src as a component of Red Hat Enterprise Linux Desktop version 4redhat_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-2006:0668
  • Fixedsquirrelmail-0:1.4.8-2.el4.src as a component of Red Hat Enterprise Linux ES version 4redhat_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-2006:0668
  • Fixedsquirrelmail-0:1.4.8-2.el4.src as a component of Red Hat Enterprise Linux WS version 4redhat_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-2006:0668
02

cvss

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

6.4
010

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

v2.06.4mediumAV:N/AC:L/Au:N/C:P/I:P/A:Nprimary · NVD / NIST USexploitability 10 · impact 4.9
v2.05.8mediumAV:N/AC:L/Au:N/C:P/I:P/A:N/E:POCsecondary · CVSS-BT (t0sche)
03

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-284USLLM-inferredCWE-95USLLM-inferred
04

exploits (1)

Public proof-of-concept and weaponised exploit code.

05

affected products (32)

Products and version ranges known to be affected.

showing 20 of 32
06

advisories (1)

Vendor and ecosystem advisories describing this.

  • RHSA-2006:0668Red Hat Security Advisory: squirrelmail security update2006-09-26csaf · redhat_csafUS

    A new squirrelmail package that fixes a security issue as well as several bugs is now available for Red Hat Enterprise Linux 3 and 4. This update has been rated as having moderate 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 2006-08-11modified 2026-06-16
09

references (56)

External citations — patches, advisories, analysis.

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