OSV-2026-1125

Segv on unknown address in match_many_CHARACTER_REV

No scoreFix available

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=543352138

Crash type: Segv on unknown address
Crash state:
match_many_CHARACTER_REV
count_one
basic_match

What each source reports

OSV No score

Segv on unknown address in match_many_CHARACTER_REV

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=543352138

Crash type: Segv on unknown address
Crash state:
match_many_CHARACTER_REV
count_one
basic_match

Record: OSV-2026-1125
Updated: 2026-11-02

Affected packages

Affected packages
Package	Affected	Fixed
`mrab-regex` PyPI	Listed versions, plus commit ranges 2026.7.192026.8.122026.8.302026.8.312026.9.1 Show 5 moreShow less 2026.9.102026.9.192026.9.22026.9.32026.9.9	None known

History

History
Recorded	Changed	Sources
Nov 2, 2026	first indexed	OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

OSV-2026-1125 is a vulnerability with no CVSS score yet in mrab-regex, published August 8, 2026. No source lists public exploit code. A source reports a fix.

References

bugs.chromium.org/p/oss-fuzz/issues/detail?id=543352138