CVE-2012-5524

The _ssl_verify_callback function in tls_nb.py in Gajim before 0.15.3 does not properly verify...

4.3 MediumFix available

The _ssl_verify_callback function in tls_nb.py in Gajim before 0.15.3 does not properly verify SSL certificates, which allows remote attackers to conduct man-in-the-middle (MITM) attacks and spoof servers via an arbitrary certificate from a trusted CA.

Exploit likelihood

1.15%Down 0.1 points since Feb 4, 2022

What each source reports

NVD Score used 4.3

Record: CVE-2012-5524
CVSS 2.0: 4.3 MediumAV:N/AC:M/Au:N/C:N/I:P/A:N
Weakness: CWE-20
Updated: 2026-11-02

CVE List No score

Record: CVE-2012-5524
Updated: 2026-11-02

EUVDEUVD-2012-5416 No score

Record: EUVD-2012-5416
Updated: 2026-11-03

GitHub AdvisoriesGHSA-g8h3-j4r4-m45r No score

The _ssl_verify_callback function in tls_nb.py in Gajim before 0.15.3 does not properly verify...

Record: GHSA-g8h3-j4r4-m45r
Weakness: CWE-20
Updated: 2026-11-02

OSV No score

Record: CVE-2012-5524
Updated: 2026-11-02

OSVDEBIAN-CVE-2012-5524 No score

Record: DEBIAN-CVE-2012-5524
Updated: 2026-11-02

Affected products

gajim

Affected packages

Affected packages
Package	Affected	Fixed
`gajim` Debian:12	before 0.15.4-1	0.15.4-1
`gajim` Debian:13	before 0.15.4-1	0.15.4-1
`gajim` Debian:14	before 0.15.4-1	0.15.4-1

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-2012-5524 is a medium vulnerability (CVSS 4.3) in Gajim, published February 8, 2014. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.15%, the 67th percentile. Fixed in gajim 0.15.4-1.