OSV-2020-137 UNKNOWN READ in dav1d_resize_ssse3
An unknown read error in the dav1d AV1 decoder can cause a crash, potentially leading to denial of service for applications using the library.
- 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-2020-137?
OSV-2020-137 is a memory corruption vulnerability in dav1d, published on 24 Jun 2020. 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=21547
Crash type: UNKNOWN READ
Crash state:
dav1d_resize_ssse3
Which versions are affected by OSV-2020-137?
1 open source package ship an affected version, including dav1d.
| Package | Affected | Fixed in |
|---|---|---|
dav1d OSS-Fuzz | All versions | None |
How do I fix OSV-2020-137?
No fix has been published for OSV-2020-137 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-2020-137 being exploited?
There is no known exploitation of OSV-2020-137 in the wild and no public exploit code.