CVE-2026-125262

CVE-2026-125262CVE-2026-125262

Description

FFmpeg through 9.0.2 contains a heap buffer overflow vulnerability in libavcodec/lcevcdec.c because LCEVC output picture dimensions are not validated against the allocated frame. Attackers can embed crafted LCEVC enhancement data with differing global configurations in H.264 or HEVC streams to corrupt heap memory in decoding applications.

Scoring

CVSS 7.8 ()
VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Last modified2026-11-09
Sourced from NVD. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.