CVE-2004-0891: Gentoo Linux

High severity, CVSS 10.0. EPSS: 6.9% chance of exploitation in the next 30 days.

Buffer overflow in the MSN protocol handler for gaim 0.79 to 1.0.1 allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via an "unexpected sequence of MSNSLP messages" that results in an unbounded copy operation that writes to the wrong buffer.

Affected products

• Gentoo Linux: any version; version 1.4 only
• Rob Flynn Gaim: version 0.10 only; version 0.10.3 only; version 0.50 only; version 0.51 only; version 0.52 only; version 0.53 only; …
• Slackware Slackware Linux: version 9.0 only; version 9.1 only; version 10.0 only; version current only
• Ubuntu Ubuntu Linux: version 4.1 only

Published 2005-01-27. Last modified 2026-06-16.