OSV-2018-59 Heap-use-after-free in read_uncompressed_header
A heap-use-after-free vulnerability in the AV1 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-2018-59?
OSV-2018-59 is an use after free vulnerability in libaom, published on 13 Jan 2021. 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=10200
Crash type: Heap-use-after-free WRITE 2
Crash state:
read_uncompressed_header
av1_decode_frame_headers_and_setup
aom_decode_frame_from_obus
Which versions are affected by OSV-2018-59?
1 open source package ship an affected version, including libaom.
| Package | Affected | Fixed in |
|---|---|---|
libaom OSS-Fuzz | All versions | None |
How do I fix OSV-2018-59?
No fix has been published for OSV-2018-59 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-2018-59 being exploited?
There is no known exploitation of OSV-2018-59 in the wild and no public exploit code.