OSV-2022-978 Heap-buffer-overflow in SkPath::Iter::next
A heap-buffer-overflow in Skia's path iteration allows attackers to cause crashes or potentially execute code via crafted graphics data.
- 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-2022-978?
OSV-2022-978 is a memory corruption vulnerability in skia, published on 29 Sep 2022. 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=51926
Crash type: Heap-buffer-overflow READ 8
Crash state:
SkPath::Iter::next
SkPath1DPathEffectImpl::next
Sk1DPathEffect::onFilterPath
Which versions are affected by OSV-2022-978?
1 open source package ship an affected version, including skia.
| Package | Affected | Fixed in |
|---|---|---|
skia OSS-Fuzz | All versions | None |
How do I fix OSV-2022-978?
No fix has been published for OSV-2022-978 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-2022-978 being exploited?
There is no known exploitation of OSV-2022-978 in the wild and no public exploit code.