OSV-2023-1322 UNKNOWN READ in ih264d_filter_boundary_left_nonmbaff
A memory corruption vulnerability in the H.264 decoder allows attackers to cause a denial of service via crafted media files.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is OSV-2023-1322?
OSV-2023-1322 is a memory corruption vulnerability in libavc, published on 18 Dec 2023. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=65132
Crash type: UNKNOWN READ
Crash state:
ih264d_filter_boundary_left_nonmbaff
ih264d_deblock_mb_nonmbaff
ih264d_decode_recon_tfr_nmb
Which versions are affected by OSV-2023-1322?
1 open source package ship an affected version, including libavc.
| Package | Affected | Fixed in |
|---|---|---|
libavc OSS-Fuzz | All versions | None |
How do I fix OSV-2023-1322?
No fix has been published for OSV-2023-1322 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is OSV-2023-1322 being exploited?
There is no known exploitation of OSV-2023-1322 in the wild and no public exploit code.