OSV-2023-278 Heap-buffer-overflow in simdutf::haswell::implementation::convert_utf8_to_utf32
A heap-buffer-overflow in simdutf's UTF-8 to UTF-32 conversion allows attackers to cause crashes or potentially execute code via crafted input.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Not stated
- Victim action needed
- Not needed
- Fix
- None listed
What is OSV-2023-278?
OSV-2023-278 is a memory corruption vulnerability in simdutf, published on 5 Apr 2023.
Official description
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=57670
Crash type: Heap-buffer-overflow WRITE {*}
Crash state:
simdutf::haswell::implementation::convert_utf8_to_utf32
roundtrip.cc
Which versions are affected by OSV-2023-278?
1 open source package ship an affected version, including simdutf.
| Package | Affected | Fixed in |
|---|---|---|
simdutf OSS-Fuzz | All versions | None |
How do I fix OSV-2023-278?
No fix has been published for OSV-2023-278 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-2023-278 being exploited?
There is no known exploitation of OSV-2023-278 in the wild and no public exploit code.