CVE-2016-7949: Fedoraproject Fedora

Critical severity, CVSS 9.8. EPSS: 3.7% chance of exploitation in the next 30 days.

Multiple buffer overflows in the (1) XvQueryAdaptors and (2) XvQueryEncodings functions in X.org libXrender before 0.9.10 allow remote X servers to trigger out-of-bounds write operations via vectors involving length fields.

Affected products

• Fedoraproject Fedora: version 24 only; version 25 only
• X.org Libxrender: up to and including 0.9.9

Published 2016-12-13. Last modified 2026-06-17.