CVE-2026-38347

High severity, CVSS 7.5. EPSS: 0.5% chance of exploitation in the next 30 days.

A heap overflow in the ff_sws_alphablendaway function (libswscale/alphablend.c) of FFmpeg git-master commit 722a217 allows attackers to cause a Denial of Service (DoS) via a crafted input.

Published 2026-08-28. Last modified 2026-09-08.