OSV-2022-543 Index-out-of-bounds in decode_coefs
An index-out-of-bounds error in the VP9 decoder allows attackers to cause crashes or potentially execute code via malicious video 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-2022-543?
OSV-2022-543 is a memory corruption vulnerability in libvpx, published on 8 Jul 2022. 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=48816
Crash type: Index-out-of-bounds
Crash state:
decode_coefs
vp9_decode_block_tokens
decode_block
Which versions are affected by OSV-2022-543?
1 open source package ship an affected version, including libvpx.
| Package | Affected | Fixed in |
|---|---|---|
libvpx OSS-Fuzz | All versions | None |
How do I fix OSV-2022-543?
No fix has been published for OSV-2022-543 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-2022-543 being exploited?
There is no known exploitation of OSV-2022-543 in the wild and no public exploit code.