CVE-2026-125246
MEDIUM
MEDIUM
Priority: 0.01
BB Relevance:
26/100
Published: 2026-11-09
Modified: 2026-11-10
First seen: 2026-11-09
Status: active
Attack Surface
No Auth
CVSS Vector Breakdown
AV:
Local
AC:
High
PR:
None
UI:
Passive
S:
X
AT:
Present
VC:
None
VI:
None
VA:
High
Description
FFmpeg through 9.0.2 contains a denial of service vulnerability in cbs_jpeg_assemble_fragment() that miscounts 0xff stuffing bytes in JPEG scan headers. Attackers can supply a crafted JPEG/MJPEG stream with 0xff in the scan header, triggering an av_assert0 abort when CBS-based bitstream filters process it.