CVE-2013-2063: X Libxtst

Medium severity, CVSS 6.8. EPSS: 1.4% chance of exploitation in the next 30 days.

Integer overflow in X.org libXtst 1.2.1 and earlier allows X servers to trigger allocation of insufficient memory and a buffer overflow via vectors related to the XRecordGetContext function.

Affected products

• X Libxtst: up to and including 1.2.1; version 1.0.2 only; version 1.0.3 only; version 1.0.99.1 only; version 1.0.99.2 only; version 1.1.0 only; …

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