CVE-2026-52297 Memory corruption in FFmpeg
An out-of-bounds read in FFmpeg's MOV parsing allows attackers to cause denial of service or disclose sensitive memory contents.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-52297?
CVE-2026-52297 is a low-severity memory corruption vulnerability in Ffmpeg Ffmpeg, published on 13 Sep 2026. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
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.
Weakness: CWE-125
Which versions are affected by CVE-2026-52297?
It affects 1 product.
Products include Ffmpeg Ffmpeg.
How do I fix CVE-2026-52297?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-52297 being exploited?
There is no known exploitation of CVE-2026-52297 in the wild and no public exploit code.
Other vulnerabilities in Ffmpeg Ffmpeg
Sources
Also known as DEBIAN-CVE-2026-52297, GHSA-vp63-fqg3-cph4, UBUNTU-CVE-2026-52297.