OSV-2026-121

See a problem?
Import Source
https://github.com/google/oss-fuzz-vulns/blob/main/vulns/harfbuzz/OSV-2026-121.yaml
JSON Data
https://api.osv.dev/v1/vulns/OSV-2026-121
Published
2026-01-24T00:15:22.824642Z
Modified
2026-01-24T14:24:01.498986Z
Summary
Use-of-uninitialized-value in trySubset
Details

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=477657796

Crash type: Use-of-uninitialized-value
Crash state:
trySubset
hb-subset-fuzzer.cc
References

Affected packages

OSS-Fuzz / harfbuzz

Package

Name
harfbuzz
Purl
pkg:generic/harfbuzz

Affected ranges

Type
GIT
Repo
https://github.com/harfbuzz/harfbuzz.git
Events
Introduced
abcb75a5d175c1375c6bed2184656e5738f88ffd
Fixed
dc73849f567478d6b4e4bbb678a9e25537918465
Fixed
e365cd0e2e5b8cec1a13561036bc3fc4a4f8c11c

Affected versions

12.*
12.3.1

Ecosystem specific 

{
    "severity": "MEDIUM"
}

Database specific

introduced_range 
"2cc865b77d37149663fce8eed5e9b89fa488a792:6e37798a16c841da1c223ebf478526a84d9c6235"
source 
"https://github.com/google/oss-fuzz-vulns/blob/main/vulns/harfbuzz/OSV-2026-121.yaml"
fixed_range 
"b17fa8ef39b0e8ea3851d43625f366860750e385:e365cd0e2e5b8cec1a13561036bc3fc4a4f8c11c"