OSV-2026-343
Heap-buffer-overflow in pcre2_compile_32
No scoreFix available
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=488713937
Crash type: Heap-buffer-overflow WRITE 4
Crash state:
pcre2_compile_32
pcre2_fuzzsupport.c
What each source reports
OSV No score
Heap-buffer-overflow in pcre2_compile_32
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=488713937
Crash type: Heap-buffer-overflow WRITE 4
Crash state:
pcre2_compile_32
pcre2_fuzzsupport.c
- Record
OSV-2026-343- Updated
- 2026-11-02
Affected packages
| Package | Affected | Fixed |
|---|---|---|
pcre2OSS-Fuzz |
Listed versions, plus commit ranges pcre2-10.45pcre2-10.45-RC1pcre2-10.46pcre2-10.47pcre2-10.48pcre2-10.48-RC1pcre2-10.49 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
OSV-2026-343 is a vulnerability with no CVSS score yet in pcre2, published March 3, 2026. No source lists public exploit code. A source reports a fix.