CVE-2004-0918

mediumpriority · track · 26EPSS 0.158 · 97 %ileEUUS

grimoire priorityP1 · Urgent

Exploitable?

—

no known exploitation

Likely / severe?

15.8% (97th) EPSS

CVSS 5 · medium

Is it mine?

58 products

Check your exposure

Who says so?

3 sources

enisa_euvd · nvd · redhat_csaf

EPSS · scored 2026-10-23

The asn_parse_header function (asn1.c) in the SNMP module for Squid Web Proxy Cache before 2.4.STABLE7 allows remote attackers to cause a denial of service (server restart) via certain SNMP packets with negative length fields that trigger a memory allocation error.

remediations

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

A vendor fix is available.

Fixedsquid-7:2.5.STABLE3-6.3E.2.i386 as a component of Red Hat Desktop version 3redhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. Use Red Hat Network to download and update your packages. To launch the Red Hat Update Agent, use the following command: up2date For information on how to install packages manually, refer to the following Web page for the System Administration or Customization guide specific to your system: http://www.redhat.com/docs/manuals/enterprise/
https://access.redhat.com/errata/RHSA-2004:591
Fixedsquid-7:2.5.STABLE3-6.3E.2.i386 as a component of Red Hat Enterprise Linux AS version 3redhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. Use Red Hat Network to download and update your packages. To launch the Red Hat Update Agent, use the following command: up2date For information on how to install packages manually, refer to the following Web page for the System Administration or Customization guide specific to your system: http://www.redhat.com/docs/manuals/enterprise/
https://access.redhat.com/errata/RHSA-2004:591
Fixedsquid-7:2.5.STABLE3-6.3E.2.i386 as a component of Red Hat Enterprise Linux ES version 3redhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. Use Red Hat Network to download and update your packages. To launch the Red Hat Update Agent, use the following command: up2date For information on how to install packages manually, refer to the following Web page for the System Administration or Customization guide specific to your system: http://www.redhat.com/docs/manuals/enterprise/
https://access.redhat.com/errata/RHSA-2004:591
Fixedsquid-7:2.5.STABLE3-6.3E.2.i386 as a component of Red Hat Enterprise Linux WS version 3redhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. Use Red Hat Network to download and update your packages. To launch the Red Hat Update Agent, use the following command: up2date For information on how to install packages manually, refer to the following Web page for the System Administration or Customization guide specific to your system: http://www.redhat.com/docs/manuals/enterprise/
https://access.redhat.com/errata/RHSA-2004:591
Fixedsquid-7:2.5.STABLE3-6.3E.2.ia64 as a component of Red Hat Enterprise Linux AS version 3redhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. Use Red Hat Network to download and update your packages. To launch the Red Hat Update Agent, use the following command: up2date For information on how to install packages manually, refer to the following Web page for the System Administration or Customization guide specific to your system: http://www.redhat.com/docs/manuals/enterprise/
https://access.redhat.com/errata/RHSA-2004:591
Fixedsquid-7:2.5.STABLE3-6.3E.2.ia64 as a component of Red Hat Enterprise Linux ES version 3redhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. Use Red Hat Network to download and update your packages. To launch the Red Hat Update Agent, use the following command: up2date For information on how to install packages manually, refer to the following Web page for the System Administration or Customization guide specific to your system: http://www.redhat.com/docs/manuals/enterprise/
https://access.redhat.com/errata/RHSA-2004:591
Fixedsquid-7:2.5.STABLE3-6.3E.2.ia64 as a component of Red Hat Enterprise Linux WS version 3redhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. Use Red Hat Network to download and update your packages. To launch the Red Hat Update Agent, use the following command: up2date For information on how to install packages manually, refer to the following Web page for the System Administration or Customization guide specific to your system: http://www.redhat.com/docs/manuals/enterprise/
https://access.redhat.com/errata/RHSA-2004:591
Fixedsquid-7:2.5.STABLE3-6.3E.2.ppc as a component of Red Hat Enterprise Linux AS version 3redhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. Use Red Hat Network to download and update your packages. To launch the Red Hat Update Agent, use the following command: up2date For information on how to install packages manually, refer to the following Web page for the System Administration or Customization guide specific to your system: http://www.redhat.com/docs/manuals/enterprise/
https://access.redhat.com/errata/RHSA-2004:591
Fixedsquid-7:2.5.STABLE3-6.3E.2.s390 as a component of Red Hat Enterprise Linux AS version 3redhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. Use Red Hat Network to download and update your packages. To launch the Red Hat Update Agent, use the following command: up2date For information on how to install packages manually, refer to the following Web page for the System Administration or Customization guide specific to your system: http://www.redhat.com/docs/manuals/enterprise/
https://access.redhat.com/errata/RHSA-2004:591
Fixedsquid-7:2.5.STABLE3-6.3E.2.s390x as a component of Red Hat Enterprise Linux AS version 3redhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. Use Red Hat Network to download and update your packages. To launch the Red Hat Update Agent, use the following command: up2date For information on how to install packages manually, refer to the following Web page for the System Administration or Customization guide specific to your system: http://www.redhat.com/docs/manuals/enterprise/
https://access.redhat.com/errata/RHSA-2004:591
Fixedsquid-7:2.5.STABLE3-6.3E.2.src as a component of Red Hat Desktop version 3redhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. Use Red Hat Network to download and update your packages. To launch the Red Hat Update Agent, use the following command: up2date For information on how to install packages manually, refer to the following Web page for the System Administration or Customization guide specific to your system: http://www.redhat.com/docs/manuals/enterprise/
https://access.redhat.com/errata/RHSA-2004:591
Fixedsquid-7:2.5.STABLE3-6.3E.2.src as a component of Red Hat Enterprise Linux AS version 3redhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. Use Red Hat Network to download and update your packages. To launch the Red Hat Update Agent, use the following command: up2date For information on how to install packages manually, refer to the following Web page for the System Administration or Customization guide specific to your system: http://www.redhat.com/docs/manuals/enterprise/
https://access.redhat.com/errata/RHSA-2004:591
Fixedsquid-7:2.5.STABLE3-6.3E.2.src as a component of Red Hat Enterprise Linux ES version 3redhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. Use Red Hat Network to download and update your packages. To launch the Red Hat Update Agent, use the following command: up2date For information on how to install packages manually, refer to the following Web page for the System Administration or Customization guide specific to your system: http://www.redhat.com/docs/manuals/enterprise/
https://access.redhat.com/errata/RHSA-2004:591
Fixedsquid-7:2.5.STABLE3-6.3E.2.src as a component of Red Hat Enterprise Linux WS version 3redhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. Use Red Hat Network to download and update your packages. To launch the Red Hat Update Agent, use the following command: up2date For information on how to install packages manually, refer to the following Web page for the System Administration or Customization guide specific to your system: http://www.redhat.com/docs/manuals/enterprise/
https://access.redhat.com/errata/RHSA-2004:591
Fixedsquid-7:2.5.STABLE3-6.3E.2.x86_64 as a component of Red Hat Desktop version 3redhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. Use Red Hat Network to download and update your packages. To launch the Red Hat Update Agent, use the following command: up2date For information on how to install packages manually, refer to the following Web page for the System Administration or Customization guide specific to your system: http://www.redhat.com/docs/manuals/enterprise/
https://access.redhat.com/errata/RHSA-2004:591
Fixedsquid-7:2.5.STABLE3-6.3E.2.x86_64 as a component of Red Hat Enterprise Linux AS version 3redhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. Use Red Hat Network to download and update your packages. To launch the Red Hat Update Agent, use the following command: up2date For information on how to install packages manually, refer to the following Web page for the System Administration or Customization guide specific to your system: http://www.redhat.com/docs/manuals/enterprise/
https://access.redhat.com/errata/RHSA-2004:591
Fixedsquid-7:2.5.STABLE3-6.3E.2.x86_64 as a component of Red Hat Enterprise Linux ES version 3redhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. Use Red Hat Network to download and update your packages. To launch the Red Hat Update Agent, use the following command: up2date For information on how to install packages manually, refer to the following Web page for the System Administration or Customization guide specific to your system: http://www.redhat.com/docs/manuals/enterprise/
https://access.redhat.com/errata/RHSA-2004:591
Fixedsquid-7:2.5.STABLE3-6.3E.2.x86_64 as a component of Red Hat Enterprise Linux WS version 3redhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. Use Red Hat Network to download and update your packages. To launch the Red Hat Update Agent, use the following command: up2date For information on how to install packages manually, refer to the following Web page for the System Administration or Customization guide specific to your system: http://www.redhat.com/docs/manuals/enterprise/
https://access.redhat.com/errata/RHSA-2004:591
Fixedsquid-debuginfo-7:2.5.STABLE3-6.3E.2.i386 as a component of Red Hat Desktop version 3redhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. Use Red Hat Network to download and update your packages. To launch the Red Hat Update Agent, use the following command: up2date For information on how to install packages manually, refer to the following Web page for the System Administration or Customization guide specific to your system: http://www.redhat.com/docs/manuals/enterprise/
https://access.redhat.com/errata/RHSA-2004:591
Fixedsquid-debuginfo-7:2.5.STABLE3-6.3E.2.i386 as a component of Red Hat Enterprise Linux AS version 3redhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. Use Red Hat Network to download and update your packages. To launch the Red Hat Update Agent, use the following command: up2date For information on how to install packages manually, refer to the following Web page for the System Administration or Customization guide specific to your system: http://www.redhat.com/docs/manuals/enterprise/
https://access.redhat.com/errata/RHSA-2004:591
Fixedsquid-debuginfo-7:2.5.STABLE3-6.3E.2.i386 as a component of Red Hat Enterprise Linux ES version 3redhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. Use Red Hat Network to download and update your packages. To launch the Red Hat Update Agent, use the following command: up2date For information on how to install packages manually, refer to the following Web page for the System Administration or Customization guide specific to your system: http://www.redhat.com/docs/manuals/enterprise/
https://access.redhat.com/errata/RHSA-2004:591
Fixedsquid-debuginfo-7:2.5.STABLE3-6.3E.2.i386 as a component of Red Hat Enterprise Linux WS version 3redhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. Use Red Hat Network to download and update your packages. To launch the Red Hat Update Agent, use the following command: up2date For information on how to install packages manually, refer to the following Web page for the System Administration or Customization guide specific to your system: http://www.redhat.com/docs/manuals/enterprise/
https://access.redhat.com/errata/RHSA-2004:591
Fixedsquid-debuginfo-7:2.5.STABLE3-6.3E.2.ia64 as a component of Red Hat Enterprise Linux AS version 3redhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. Use Red Hat Network to download and update your packages. To launch the Red Hat Update Agent, use the following command: up2date For information on how to install packages manually, refer to the following Web page for the System Administration or Customization guide specific to your system: http://www.redhat.com/docs/manuals/enterprise/
https://access.redhat.com/errata/RHSA-2004:591
Fixedsquid-debuginfo-7:2.5.STABLE3-6.3E.2.ia64 as a component of Red Hat Enterprise Linux ES version 3redhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. Use Red Hat Network to download and update your packages. To launch the Red Hat Update Agent, use the following command: up2date For information on how to install packages manually, refer to the following Web page for the System Administration or Customization guide specific to your system: http://www.redhat.com/docs/manuals/enterprise/
https://access.redhat.com/errata/RHSA-2004:591
Fixedsquid-debuginfo-7:2.5.STABLE3-6.3E.2.ia64 as a component of Red Hat Enterprise Linux WS version 3redhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. Use Red Hat Network to download and update your packages. To launch the Red Hat Update Agent, use the following command: up2date For information on how to install packages manually, refer to the following Web page for the System Administration or Customization guide specific to your system: http://www.redhat.com/docs/manuals/enterprise/
https://access.redhat.com/errata/RHSA-2004:591
Fixedsquid-debuginfo-7:2.5.STABLE3-6.3E.2.ppc as a component of Red Hat Enterprise Linux AS version 3redhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. Use Red Hat Network to download and update your packages. To launch the Red Hat Update Agent, use the following command: up2date For information on how to install packages manually, refer to the following Web page for the System Administration or Customization guide specific to your system: http://www.redhat.com/docs/manuals/enterprise/
https://access.redhat.com/errata/RHSA-2004:591
Fixedsquid-debuginfo-7:2.5.STABLE3-6.3E.2.s390 as a component of Red Hat Enterprise Linux AS version 3redhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. Use Red Hat Network to download and update your packages. To launch the Red Hat Update Agent, use the following command: up2date For information on how to install packages manually, refer to the following Web page for the System Administration or Customization guide specific to your system: http://www.redhat.com/docs/manuals/enterprise/
https://access.redhat.com/errata/RHSA-2004:591
Fixedsquid-debuginfo-7:2.5.STABLE3-6.3E.2.s390x as a component of Red Hat Enterprise Linux AS version 3redhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. Use Red Hat Network to download and update your packages. To launch the Red Hat Update Agent, use the following command: up2date For information on how to install packages manually, refer to the following Web page for the System Administration or Customization guide specific to your system: http://www.redhat.com/docs/manuals/enterprise/
https://access.redhat.com/errata/RHSA-2004:591
Fixedsquid-debuginfo-7:2.5.STABLE3-6.3E.2.x86_64 as a component of Red Hat Desktop version 3redhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. Use Red Hat Network to download and update your packages. To launch the Red Hat Update Agent, use the following command: up2date For information on how to install packages manually, refer to the following Web page for the System Administration or Customization guide specific to your system: http://www.redhat.com/docs/manuals/enterprise/
https://access.redhat.com/errata/RHSA-2004:591
Fixedsquid-debuginfo-7:2.5.STABLE3-6.3E.2.x86_64 as a component of Red Hat Enterprise Linux AS version 3redhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. Use Red Hat Network to download and update your packages. To launch the Red Hat Update Agent, use the following command: up2date For information on how to install packages manually, refer to the following Web page for the System Administration or Customization guide specific to your system: http://www.redhat.com/docs/manuals/enterprise/
https://access.redhat.com/errata/RHSA-2004:591
Fixedsquid-debuginfo-7:2.5.STABLE3-6.3E.2.x86_64 as a component of Red Hat Enterprise Linux ES version 3redhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. Use Red Hat Network to download and update your packages. To launch the Red Hat Update Agent, use the following command: up2date For information on how to install packages manually, refer to the following Web page for the System Administration or Customization guide specific to your system: http://www.redhat.com/docs/manuals/enterprise/
https://access.redhat.com/errata/RHSA-2004:591
Fixedsquid-debuginfo-7:2.5.STABLE3-6.3E.2.x86_64 as a component of Red Hat Enterprise Linux WS version 3redhat_csaf
Before applying this update, make sure that all previously-released errata relevant to your system have been applied. Use Red Hat Network to download and update your packages. To launch the Red Hat Update Agent, use the following command: up2date For information on how to install packages manually, refer to the following Web page for the System Administration or Customization guide specific to your system: http://www.redhat.com/docs/manuals/enterprise/
https://access.redhat.com/errata/RHSA-2004:591

cvss

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

5.0

010

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

v2.05mediumAV:N/AC:L/Au:N/C:N/I:N/A:Pprimary · NVD / NIST USexploitability 10 · impact 2.9

v2.04.3mediumAV:N/AC:L/Au:N/C:N/I:N/A:P/E:Usecondary · CVSS-BT (t0sche)

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-399USprimary

affected products (58)

Products and version ranges known to be affected.

n/a n/a≤ n/aenisa_euvdEU
gentoo linuxall versionsnvdUScpe:2.3:o:gentoo:linux:*:*:*:*:*:*:*:*
openpkg openpkg= 2.1nvdUScpe:2.3:a:openpkg:openpkg:*:*:*:*:*:*:*:*
openpkg openpkg= 2.2nvdUScpe:2.3:a:openpkg:openpkg:*:*:*:*:*:*:*:*
openpkg openpkg= currentnvdUScpe:2.3:a:openpkg:openpkg:*:*:*:*:*:*:*:*
redhat fedora core= core_2.0nvdUScpe:2.3:o:redhat:fedora_core:*:*:*:*:*:*:*:*
squid squid= 2.0_patch2nvdUScpe:2.3:a:squid:squid:*:*:*:*:*:*:*:*
squid squid= 2.1_patch2nvdUScpe:2.3:a:squid:squid:*:*:*:*:*:*:*:*
squid squid= 2.3_.stable4nvdUScpe:2.3:a:squid:squid:*:*:*:*:*:*:*:*
squid squid= 2.3_.stable5nvdUScpe:2.3:a:squid:squid:*:*:*:*:*:*:*:*
squid squid= 2.4nvdUScpe:2.3:a:squid:squid:*:*:*:*:*:*:*:*
squid squid= 2.4_.stable2nvdUScpe:2.3:a:squid:squid:*:*:*:*:*:*:*:*
squid squid= 2.4_.stable6nvdUScpe:2.3:a:squid:squid:*:*:*:*:*:*:*:*
squid squid= 2.4_.stable7nvdUScpe:2.3:a:squid:squid:*:*:*:*:*:*:*:*
squid squid= 2.5_.stable1nvdUScpe:2.3:a:squid:squid:*:*:*:*:*:*:*:*
squid squid= 2.5_.stable3nvdUScpe:2.3:a:squid:squid:*:*:*:*:*:*:*:*
squid squid= 2.5_.stable4nvdUScpe:2.3:a:squid:squid:*:*:*:*:*:*:*:*
squid squid= 2.5_.stable5nvdUScpe:2.3:a:squid:squid:*:*:*:*:*:*:*:*
squid squid= 2.5_.stable6nvdUScpe:2.3:a:squid:squid:*:*:*:*:*:*:*:*
squid squid= 3.0_pre1nvdUScpe:2.3:a:squid:squid:*:*:*:*:*:*:*:*

showing 20 of 58

advisories (1)

Vendor and ecosystem advisories describing this.

RHSA-2004:591Red Hat Security Advisory: squid security update2004-10-20csaf · redhat_csafUS
An updated squid package that fixes a remote denial of service vulnerability is now avaliable.

also known as (2)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

enisa_euvd nvd redhat_csaf NVD CVE.org MITRE

published 2005-01-27modified 2026-06-16

related (3,726)

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+3721 more

references (32)

External citations — patches, advisories, analysis.

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