OSV-2022-635 UNKNOWN READ in EvalSegmentedFn
An unknown read vulnerability in the Little CMS library can cause a crash when processing specific tone curve data.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Not stated
- Victim action needed
- Not needed
- Fix
- None listed
What is OSV-2022-635?
OSV-2022-635 is a memory corruption vulnerability in lcms, published on 27 Jul 2022.
Official description
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=49490
Crash type: UNKNOWN READ
Crash state:
EvalSegmentedFn
cmsEvalToneCurveFloat
Type_vcgt_Write
Which versions are affected by OSV-2022-635?
1 open source package ship an affected version, including lcms.
| Package | Affected | Fixed in |
|---|---|---|
lcms OSS-Fuzz | All versions | None |
How do I fix OSV-2022-635?
No fix has been published for OSV-2022-635 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-2022-635 being exploited?
There is no known exploitation of OSV-2022-635 in the wild and no public exploit code.