DescriptionAn issue was discovered in Tiny C Compiler (aka TinyCC or TCC) 0.9.27. Compiling a crafted source file leads to an 1 byte out of bounds write in the end_macro function in tccpp.c.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
NVD severitymedium
Debian Bugs925127

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
tcc (PTS)jessie0.9.27~git20140923.9d7fb33-3vulnerable
bullseye, sid, buster0.9.27-8vulnerable

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs


[buster] - tcc <ignored> (Minor issue)
[stretch] - tcc <ignored> (Minor issue)
[jessie] - tcc <no-dsa> (Minor issue)

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