OSV-2023-68 Heap-buffer-overflow in isvcd_residual_samp_mb_dyadic
A heap-buffer-overflow in the video codec library allows attackers to execute arbitrary code or cause 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-2023-68?
OSV-2023-68 is a memory corruption vulnerability in libavc, published on 17 Feb 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=56023
Crash type: Heap-buffer-overflow READ 2
Crash state:
isvcd_residual_samp_mb_dyadic
isvcd_process_residual_resample_mb
isvcd_process_inter_mb_rsd_pred_target_lyr
Which versions are affected by OSV-2023-68?
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-2023-68?
No fix has been published for OSV-2023-68 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-2023-68 being exploited?
There is no known exploitation of OSV-2023-68 in the wild and no public exploit code.