How severe is CVE-2005-3656?

CVE-2005-3656 has a CVSS 2.0 base score of 10.0, rated critical severity.

Is CVE-2005-3656 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 9% (95th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2005-3656?

CVE-2005-3656 primarily affects Guiseppe Tanzilli And Matthias Eckermann Mod Auth Pgsql. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2005-3656?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2005-3656 published?

CVE-2005-3656 was published on 2005-12-31 and last updated on 2026-06-16.

CVE-2005-3656

CVE-2005-3656 is a critical-severity vulnerability in Guiseppe Tanzilli And Matthias Eckermann Mod Auth Pgsql with a CVSS 2.0 base score of 10.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-134.

Key facts

Severity: Critical (CVSS 2.0 base score 10.0)
EPSS exploit prediction: 9% (95th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-134
Affected product: Guiseppe Tanzilli And Matthias Eckermann Mod Auth Pgsql
Published: 2005-12-31
Last modified: 2026-06-16

Description

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.

Frequently asked questions

What is CVE-2005-3656?: 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.
How severe is CVE-2005-3656?: CVE-2005-3656 has a CVSS 2.0 base score of 10.0, rated critical severity.
Is CVE-2005-3656 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 9% (95th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2005-3656?: CVE-2005-3656 primarily affects Guiseppe Tanzilli And Matthias Eckermann Mod Auth Pgsql. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2005-3656?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2005-3656 published?: CVE-2005-3656 was published on 2005-12-31 and last updated on 2026-06-16.

References

Affected products (3)

cpe:2.3:a:guiseppe_tanzilli_and_matthias_eckermann:mod_auth_pgsql:*:*:*:*:*:*:*:*
cpe:2.3:a:guiseppe_tanzilli_and_matthias_eckermann:mod_auth_pgsql:0.9.5:*:*:*:*:*:*:*
cpe:2.3:a:guiseppe_tanzilli_and_matthias_eckermann:mod_auth_pgsql:0.9.6:*:*:*:*:*:*:*

More vulnerabilities in Guiseppe Tanzilli And Matthias Eckermann Mod Auth Pgsql

CVE-2001-1379 — High (CVSS 7.5): The PostgreSQL authentication modules (1) mod_auth_pgsql 0.9.5, and (2) mod_auth_pgsql_sys 0.9.4, allow remote…

All CVEs affecting Guiseppe Tanzilli And Matthias Eckermann Mod Auth Pgsql →

Other CWE-134 vulnerabilities

CVE-2012-1851 — Critical (CVSS 10.0): Format string vulnerability in the Print Spooler service in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2,…
CVE-2012-0242 — Critical (CVSS 10.0): Format string vulnerability in Advantech/BroadWin WebAccess before 7.0 allows remote attackers to execute arbitrary…
CVE-2011-2475 — Critical (CVSS 10.0): Format string vulnerability in ECTrace.dll in the iMailGateway service in the Internet Mail Gateway in OneBridge Server…
CVE-2011-1568 — Critical (CVSS 10.0): Format string vulnerability in the logText function in shmemmgr9.dll in IGSSdataServer.exe 9.00.00.11074, and…
CVE-2010-4235 — Critical (CVSS 10.0): Format string vulnerability in RealNetworks Helix Server 12.x, 13.x, and 14.x before 14.2, and Helix Mobile Server…
CVE-2011-0270 — Critical (CVSS 10.0): Format string vulnerability in nnmRptConfig.exe in HP OpenView Network Node Manager (OV NNM) 7.51 and 7.53 allows…

Browse all CWE-134 vulnerabilities →