CVE-2005-3656

Multiple format string vulnerabilities in logging functions in mod_auth_pgsql before 2.0.3, when...

10.0 HighFix available

Multiple format string vulnerabilities in logging functions in mod_auth_pgsql before 2.0.3, when used for user authentication against a PostgreSQL database, allows remote unauthenticated attackers to execute arbitrary code, as demonstrated via the username.

Exploit likelihood

8.90%Down 3.3 points since Feb 4, 2022

What each source reports

NVD Score used 10.0

Record: CVE-2005-3656
CVSS 2.0: 10.0 HighAV:N/AC:L/Au:N/C:C/I:C/A:C
Weakness: CWE-134
Updated: 2026-11-02

CVE List No score

Record: CVE-2005-3656
Updated: 2026-11-02

EUVDEUVD-2005-3653 No score

Record: EUVD-2005-3653
Updated: 2026-11-03

GitHub AdvisoriesGHSA-8p45-xmrj-4v5c No score

Multiple format string vulnerabilities in logging functions in mod_auth_pgsql before 2.0.3, when...

Record: GHSA-8p45-xmrj-4v5c
Weakness: CWE-134
Updated: 2026-11-02

Affected products

guiseppe tanzilli and matthias eckermann mod auth pgsql

Affected packages

Affected packages
Package	Affected	Fixed
`libapache2-mod-auth-pgsql` Debian:3.1	before 2.0.2b1-5sarge0, plus listed versions 2.0.2b1-5	2.0.2b1-5sarge0
`mod_auth_pgsql` Red Hat:enterprise_linux:3::as	before 0:2.0.1-4.ent.1	0:2.0.1-4.ent.1
`mod_auth_pgsql-debuginfo` Red Hat:enterprise_linux:3::as	before 0:2.0.1-4.ent.1	0:2.0.1-4.ent.1
`mod_auth_pgsql` Red Hat:enterprise_linux:3::desktop	before 0:2.0.1-4.ent.1	0:2.0.1-4.ent.1
`mod_auth_pgsql-debuginfo` Red Hat:enterprise_linux:3::desktop	before 0:2.0.1-4.ent.1	0:2.0.1-4.ent.1
`mod_auth_pgsql` Red Hat:enterprise_linux:3::es	before 0:2.0.1-4.ent.1	0:2.0.1-4.ent.1
`mod_auth_pgsql-debuginfo` Red Hat:enterprise_linux:3::es	before 0:2.0.1-4.ent.1	0:2.0.1-4.ent.1
`mod_auth_pgsql` Red Hat:enterprise_linux:3::ws	before 0:2.0.1-4.ent.1	0:2.0.1-4.ent.1
`mod_auth_pgsql-debuginfo` Red Hat:enterprise_linux:3::ws	before 0:2.0.1-4.ent.1	0:2.0.1-4.ent.1
`mod_auth_pgsql` Red Hat:enterprise_linux:4::as	before 0:2.0.1-7.1	0:2.0.1-7.1

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Affected packages
Package	Affected	Fixed
`mod_auth_pgsql-debuginfo` Red Hat:enterprise_linux:4::as	before 0:2.0.1-7.1	0:2.0.1-7.1
`mod_auth_pgsql` Red Hat:enterprise_linux:4::desktop	before 0:2.0.1-7.1	0:2.0.1-7.1
`mod_auth_pgsql-debuginfo` Red Hat:enterprise_linux:4::desktop	before 0:2.0.1-7.1	0:2.0.1-7.1
`mod_auth_pgsql` Red Hat:enterprise_linux:4::es	before 0:2.0.1-7.1	0:2.0.1-7.1
`mod_auth_pgsql-debuginfo` Red Hat:enterprise_linux:4::es	before 0:2.0.1-7.1	0:2.0.1-7.1
`mod_auth_pgsql` Red Hat:enterprise_linux:4::ws	before 0:2.0.1-7.1	0:2.0.1-7.1
`mod_auth_pgsql-debuginfo` Red Hat:enterprise_linux:4::ws	before 0:2.0.1-7.1	0:2.0.1-7.1

History

History
Recorded	Changed	Sources
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-2005-3656 is a high vulnerability (CVSS 10.0) in Guiseppe Tanzilli And Matthias Eckermann Mod Auth Pgsql, published December 31, 2005. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 8.90%, the 95th percentile. Fixed in libapache2-mod-auth-pgsql 2.0.2b1-5sarge0.

References

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