OSV-2020-1141 Heap-buffer-overflow in ff_hevc_put_hevc_epel_pixels_8_sse
A heap-buffer-overflow in FFmpeg's HEVC decoder 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-2020-1141?
OSV-2020-1141 is a memory corruption vulnerability in libheif, 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=13568
Crash type: Heap-buffer-overflow READ 16
Crash state:
ff_hevc_put_hevc_epel_pixels_8_sse
acceleration_functions::put_hevc_epel
void mc_chroma<unsigned short>
Which versions are affected by OSV-2020-1141?
1 open source package ship an affected version, including libheif.
| Package | Affected | Fixed in |
|---|---|---|
libheif OSS-Fuzz | All versions | None |
How do I fix OSV-2020-1141?
No fix has been published for OSV-2020-1141 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-2020-1141 being exploited?
There is no known exploitation of OSV-2020-1141 in the wild and no public exploit code.