OSV-2026-717

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Import Source
https://github.com/google/oss-fuzz-vulns/blob/main/vulns/md4c/OSV-2026-717.yaml
JSON Data
https://api.osv.dev/v1/vulns/OSV-2026-717
Published
2026-05-12T00:11:13.428437Z
Modified
2026-05-12T00:11:13.428832Z
Summary
Stack-use-after-scope in enter_block_callback
Details

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=511831392

Crash type: Stack-use-after-scope READ 4
Crash state:
enter_block_callback
md_process_all_blocks
md_parse
References

Affected packages

OSS-Fuzz / md4c

Package

Name
md4c
Purl
pkg:generic/md4c

Affected ranges

Type
GIT
Repo
https://github.com/mity/md4c
Events
Introduced
ed89abed05845225cdfe2c94a49ec13a37b7578f
Fixed
4f0b252c8e8952d53156949777ebfe3f9355def3

Ecosystem specific 

{
    "severity": null
}

Database specific

source 
"https://github.com/google/oss-fuzz-vulns/blob/main/vulns/md4c/OSV-2026-717.yaml"
introduced_range 
"07712a59a4cdb66170d608125ce3a191ffa3d4c7:345666722d965072c2c94bbb08b2ae91385c1592"
fixed_range 
"345666722d965072c2c94bbb08b2ae91385c1592:4f0b252c8e8952d53156949777ebfe3f9355def3"