OSV-2020-1008 Use-of-uninitialized-value in ihevc_recon_32x32
An attacker can cause a denial of service in the HEVC decoder by triggering a use-of-uninitialized-value error during video processing.
- 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-2020-1008?
OSV-2020-1008 is an use after free vulnerability in libhevc, published on 22 Jul 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=20476
Crash type: Use-of-uninitialized-value
Crash state:
ihevc_recon_32x32
ihevcd_iquant_itrans_recon_ctb
ihevcd_process
Which versions are affected by OSV-2020-1008?
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-2020-1008?
No fix has been published for OSV-2020-1008 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-2020-1008 being exploited?
There is no known exploitation of OSV-2020-1008 in the wild and no public exploit code.