CVE-2013-1983: X Libxfixes

Medium severity, CVSS 6.8. EPSS: 2.1% chance of exploitation in the next 30 days.

Integer overflow in X.org libXfixes 5.0 and earlier allows X servers to trigger allocation of insufficient memory and a buffer overflow via vectors related to the XFixesGetCursorImage function.

Affected products

• X Libxfixes: up to and including 5.0; version 4.0 only; version 4.0.1 only; version 4.0.2 only; version 4.0.3 only; version 4.0.4 only; …

Published 2013-06-15. Last modified 2026-06-16.