OSV-2022-193 UNKNOWN READ in GC_generic_malloc_many
An unknown read error in the garbage collector's memory allocation function can cause a crash, potentially leading to denial of service.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Not stated
- Victim action needed
- Not needed
- Fix
- None listed
What is OSV-2022-193?
OSV-2022-193 is a memory corruption vulnerability in w3m, published on 24 Feb 2022.
Official description
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=44961
Crash type: UNKNOWN READ Crash state: GC_generic_malloc_many GC_malloc_kind Strnew_size
Which versions are affected by OSV-2022-193?
1 open source package ship an affected version, including w3m.
| Package | Affected | Fixed in |
|---|---|---|
w3m OSS-Fuzz | All versions | None |
How do I fix OSV-2022-193?
No fix has been published for OSV-2022-193 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-2022-193 being exploited?
There is no known exploitation of OSV-2022-193 in the wild and no public exploit code.