OSV-2022-676 Heap-use-after-free in archive_read_data
A heap-use-after-free vulnerability in libarchive's archive_read_data function can lead to crashes or potential code execution when processing malicious archives.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Not stated
- Victim action needed
- Not needed
- Fix
- None listed
What is OSV-2022-676?
OSV-2022-676 is an use after free vulnerability in libarchive, published on 7 Aug 2022.
Official description
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=49840
Crash type: Heap-use-after-free READ {*}
Crash state:
archive_read_data
libarchive_fuzzer.cc
process_head_file
Which versions are affected by OSV-2022-676?
1 open source package ship an affected version, including libarchive.
| Package | Affected | Fixed in |
|---|---|---|
libarchive OSS-Fuzz | All versions | None |
How do I fix OSV-2022-676?
No fix has been published for OSV-2022-676 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-2022-676 being exploited?
There is no known exploitation of OSV-2022-676 in the wild and no public exploit code.