CVE-2004-0918

The asn_parse_header function (asn1.c) in the SNMP module for Squid Web Proxy Cache before 2.4...

5.0 MediumFix available

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.

Exploit likelihood

15.8%Up 12.1 points since Feb 4, 2022

What each source reports

NVD Score used 5.0

Record: CVE-2004-0918
CVSS 2.0: 5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Weakness: CWE-399
Updated: 2026-11-02

CVE List No score

Record: CVE-2004-0918
Updated: 2026-11-02

EUVDEUVD-2004-0916 No score

Record: EUVD-2004-0916
Updated: 2026-11-03

GitHub AdvisoriesGHSA-jx7g-w69f-vmq6 No score

The asn_parse_header function (asn1.c) in the SNMP module for Squid Web Proxy Cache before 2.4...

Record: GHSA-jx7g-w69f-vmq6
Updated: 2026-11-02

OSV No score

Record: CVE-2004-0918
Updated: 2026-11-02

OSVDEBIAN-CVE-2004-0918 No score

Record: DEBIAN-CVE-2004-0918
Updated: 2026-11-02

Affected products

Affected packages

Affected packages
Package	Affected	Fixed
`squid` Debian:12	before 2.5.7	2.5.7
`squid` Debian:13	before 2.5.7	2.5.7
`squid` Debian:14	before 2.5.7	2.5.7
`squid` Debian:3.0 From an advisory covering 2 CVEs	before 2.4.6-2woody4	2.4.6-2woody4
`squid` Red Hat:enterprise_linux:3::as	before 7:2.5.STABLE3-6.3E.2	7:2.5.STABLE3-6.3E.2
`squid-debuginfo` Red Hat:enterprise_linux:3::as	before 7:2.5.STABLE3-6.3E.2	7:2.5.STABLE3-6.3E.2
`squid` Red Hat:enterprise_linux:3::desktop	before 7:2.5.STABLE3-6.3E.2	7:2.5.STABLE3-6.3E.2
`squid-debuginfo` Red Hat:enterprise_linux:3::desktop	before 7:2.5.STABLE3-6.3E.2	7:2.5.STABLE3-6.3E.2
`squid` Red Hat:enterprise_linux:3::es	before 7:2.5.STABLE3-6.3E.2	7:2.5.STABLE3-6.3E.2
`squid-debuginfo` Red Hat:enterprise_linux:3::es	before 7:2.5.STABLE3-6.3E.2	7:2.5.STABLE3-6.3E.2
`squid` Red Hat:enterprise_linux:3::ws	before 7:2.5.STABLE3-6.3E.2	7:2.5.STABLE3-6.3E.2
`squid-debuginfo` Red Hat:enterprise_linux:3::ws	before 7:2.5.STABLE3-6.3E.2	7:2.5.STABLE3-6.3E.2

History

History
Recorded	Changed	Sources
Nov 6, 2026	affected, facts
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2004-0918 is a medium vulnerability (CVSS 5.0) in Squid, published October 21, 2004. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 15.8%, the 96th percentile. Fixed in squid 2.5.7.

References

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