OSV-2023-272 Heap-buffer-overflow in unsigned long simdutf::haswell::convert_masked_utf8_to_utf16<

Not scored Published

A heap-buffer-overflow in simdutf's UTF-8 to UTF-16 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-2023-272?

OSV-2023-272 is a memory corruption vulnerability in simdutf, published on 3 Apr 2023.

Official description

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=57632

Crash type: Heap-buffer-overflow WRITE {*}
Crash state:
unsigned long simdutf::haswell::convert_masked_utf8_to_utf16&lt;
simdutf::haswell::implementation::convert_utf8_to_utf16le
roundtrip.cc

Which versions are affected by OSV-2023-272?

1 open source package ship an affected version, including simdutf.

PackageAffectedFixed in
simdutf OSS-FuzzAll versionsNone

How do I fix OSV-2023-272?

No fix has been published for OSV-2023-272 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-2023-272 being exploited?

There is no known exploitation of OSV-2023-272 in the wild and no public exploit code.

Sources

Is OSV-2023-272 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free