CVE-2025-8736

NameCVE-2025-8736
DescriptionA vulnerability, which was classified as critical, has been found in GNU cflow up to 1.8. Affected by this issue is the function yylex of the file c.c of the component Lexer. The manipulation leads to buffer overflow. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
cflow (PTS)bullseye1:1.6-4vulnerable
bookworm1:1.7-4vulnerable
forky, sid, trixie1:1.7-5vulnerable

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
cflowsource(unstable)(unfixed)

Notes

[trixie] - cflow <no-dsa> (Minor issue)
[bookworm] - cflow <no-dsa> (Minor issue)
[bullseye] - cflow <ignored> (Crash in CLI tools)
https://lists.gnu.org/archive/html/bug-cflow/2025-07/msg00001.html

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