DescriptionTiny C Compiler (TCC) 0.9.23 (aka TinyCC) evaluates the "i>sizeof(int)" expression to false when i equals -1, which might introduce integer overflow vulnerabilities into applications that could be exploited by context-dependent attackers.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs352202

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
tcc (PTS)sid, trixie, bookworm, bullseye0.9.27+git20200814.62c30a4a-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs


[sarge] - tcc <no-dsa> (Only incorrect code gen, hardly any production use)
[etch] - tcc <no-dsa> (Documented as insecure; only incorrect code gen, hardly any production use)

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