CVE-2017-17129: Libav

High severity, CVSS 8.8. EPSS: 1.2% chance of exploitation in the next 30 days.

The ff_vc1_mc_4mv_chroma4 function in libavcodec/vc1_mc.c in Libav 12.2 allows remote attackers to cause a denial of service (segmentation fault and application crash) or possibly have unspecified other impact via a crafted file.

Affected products

• Libav Libav: version 12.2 only

Published 2017-12-04. Last modified 2026-06-17.