CVE-2012-5524: The _ssl_verify_callback function in tls_nb.py in Gajim before 0.15.3 does not properly verify SSL certific...

Security readout for executives and security teams

Gajim versions before 0.15.3 could accept an invalid server identity during TLS certificate verification. An attacker able to intercept network traffic could impersonate a chat server using any certificate from a trusted CA. This is mainly a confidentiality and trust risk for client users, not evidence of server compromise by itself. Exposure appears limited to Gajim client installations older than 0.15.3, particularly on shared, hostile, or monitored networks. The bundle does not identify other affected products. Treat as a targeted client confidentiality risk. Prioritize remediation where Gajim is used for sensitive communications or by users on untrusted networks. Mitigation focus: Upgrade Gajim to 0.15.3 or later where available.; Review the Gentoo advisory for distribution-specific fixed package guidance.; Remove or block unsupported Gajim versions below 0.15.3..

Prepared

Jun 14, 2026, 14:50 UTC (UTC+00:00)

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.