OSV-2020-1137 Heap-use-after-free in ihevcd_jobq_lock
A heap-use-after-free vulnerability in the HEVC decoder library allows attackers to cause denial of service or potentially execute code via crafted media files.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Not stated
- Victim action needed
- Not needed
- Fix
- None listed
What is OSV-2020-1137?
OSV-2020-1137 is an use after free vulnerability in libhevc, published on 22 Jul 2020.
Official description
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=16884
Crash type: Heap-use-after-free READ 8
Crash state:
ihevcd_jobq_lock
ihevcd_jobq_yield
ihevcd_jobq_dequeue
Which versions are affected by OSV-2020-1137?
1 open source package ship an affected version, including libhevc.
| Package | Affected | Fixed in |
|---|---|---|
libhevc OSS-Fuzz | All versions | None |
How do I fix OSV-2020-1137?
No fix has been published for OSV-2020-1137 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is OSV-2020-1137 being exploited?
There is no known exploitation of OSV-2020-1137 in the wild and no public exploit code.