OSV-2026-777

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Import Source
https://github.com/google/oss-fuzz-vulns/blob/main/vulns/md4c/OSV-2026-777.yaml
JSON Data
https://api.osv.dev/v1/vulns/OSV-2026-777
Published
2026-05-19T00:12:57.078724Z
Modified
2026-05-19T00:12:57.079060Z
Summary
Heap-buffer-overflow in md_is_link_title
Details

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=514122612

Crash type: Heap-buffer-overflow READ 1
Crash state:
md_is_link_title
md_analyze_inlines
md_process_normal_block_contents
References

Affected packages

OSS-Fuzz / md4c

Package

Name
md4c
Purl
pkg:generic/md4c

Affected ranges

Type
GIT
Repo
https://github.com/mity/md4c
Events

Ecosystem specific

{
    "severity": "HIGH"
}

Database specific

introduced_range
"07712a59a4cdb66170d608125ce3a191ffa3d4c7:345666722d965072c2c94bbb08b2ae91385c1592"
fixed_range
"28e2fbd5c0c81448c6b543bd5b987ed7630bfbd5:b8d9ee1135b8f7f26df3e86a7afb04a0ccbc55b9"
source
"https://github.com/google/oss-fuzz-vulns/blob/main/vulns/md4c/OSV-2026-777.yaml"