Out-of-bounds Read in Ffmpeg
CVE-2026-52297
FFmpeg before 9.0 has an out-of-bounds read because there is insufficiently padded extradata in the MOV parsing path in mov_read_iacb in libavformat/mov.c.
Vulnerability class: Buffer Overflow
EPSS: 0.001 (1.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 2.9 (Low). Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L.
Affected products
Weakness classification (CWE)
References
Frequently asked questions
- What is CVE-2026-52297?
- CVE-2026-52297 is a low-severity vulnerability in Ffmpeg, classified under Out-of-bounds Read. CVSS score: 2.9/10. Published 2026-09-13.
- How severe is CVE-2026-52297?
- Low severity. CVSS v3 base score is 2.9 out of 10.