CVE-2009-1376: Pidgin

High severity, CVSS 9.3. EPSS: 13.3% chance of exploitation in the next 30 days.

Multiple integer overflows in the msn_slplink_process_msg functions in the MSN protocol handler in (1) libpurple/protocols/msn/slplink.c and (2) libpurple/protocols/msnp9/slplink.c in Pidgin (formerly Gaim) before 2.5.6 on 32-bit platforms allow remote attackers to execute arbitrary code via a malformed SLP message with a crafted offset value, leading to buffer overflows. NOTE: this issue exists because of an incomplete fix for CVE-2008-2927.

Affected products

• Pidgin Pidgin: up to and including 2.5.5; version 2.4.0 only; version 2.4.1 only; version 2.4.2 only; version 2.4.3 only; version 2.5.0 only; …

Published 2009-05-26. Last modified 2026-06-16.