CVE-2018-20376

NameCVE-2018-20376
DescriptionAn issue was discovered in Tiny C Compiler (aka TinyCC or TCC) 0.9.27. Compiling a crafted source file leads to an 8 byte out of bounds write in the asm_parse_directive function in tccasm.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 (attack range: remote)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
tcc (PTS)jessie0.9.27~git20140923.9d7fb33-3vulnerable
stretch0.9.27~git20161217.cd9514ab-3vulnerable
buster, sid0.9.27-8vulnerable

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
tccsource(unstable)(unfixed)unimportant

Notes

Negligable security impact
https://lists.nongnu.org/archive/html/tinycc-devel/2018-12/msg00013.html

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