OSV-2026-343

See a problem?
Import Source
https://github.com/google/oss-fuzz-vulns/blob/main/vulns/pcre2/OSV-2026-343.yaml
JSON Data
https://api.osv.dev/v1/vulns/OSV-2026-343
Published
2026-03-03T00:19:45Z
Modified
2026-09-02T14:36:27Z
Summary
Heap-buffer-overflow in pcre2_compile_32
Details

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
References

Affected packages

OSS-Fuzz / pcre2

Package

Name
pcre2
Purl
pkg:generic/pcre2

Affected ranges

Type
GIT
Repo
https://github.com/PCRE2Project/pcre2
Events
Introduced
24f9d8df0b8ddabc217ec4e7856a678e09f52773
Fixed
e19e76ad8e5bbdf8a22b69e0f408692329e1e516

Affected versions

pcre2-10.*
pcre2-10.45
pcre2-10.45-RC1
pcre2-10.46
pcre2-10.47
pcre2-10.48
pcre2-10.48-RC1

Ecosystem specific 

{
    "severity": "HIGH"
}

Database specific

fixed_range 
"a2b146a3245a930aa4c8ea8b33c0d83092daa7c9:e19e76ad8e5bbdf8a22b69e0f408692329e1e516"
introduced_range 
"fc38d9e784f6d7db070b78d062f1b3de034965b2:ccb259f089a8a54c06ce7b17d9cbac4302652bb1"
source 
"https://github.com/google/oss-fuzz-vulns/blob/main/vulns/pcre2/OSV-2026-343.yaml"