CVE-2026-75142
HIGH
NVD
CVSS Score
7.8
Severity
HIGH
Published
Aug 19, 2026
Vendor
unknown
Description
FFmpeg before commit 9d786e4 contains a stack buffer overflow in the MPEG-PS muxer (libavformat/mpegenc.c). When muxing input with more streams than the muxer's fixed-size stack buffer accommodates, the buffer is overflowed. A crafted input with an excessive number of streams triggers the overflow during MPEG-PS muxing.