| Name | CVE-2018-20376 |
| Description | An 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, 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 Package | Release | Version | Status |
|---|
| tcc (PTS) | jessie | 0.9.27~git20140923.9d7fb33-3 | vulnerable |
| stretch | 0.9.27~git20161217.cd9514ab-3 | vulnerable |
| buster | 0.9.27-8 | vulnerable |
| bullseye, bookworm | 0.9.27+git20200814.62c30a4a-1 | vulnerable |
| sid, trixie | 0.9.27+git20200814.62c30a4a-2 | vulnerable |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| tcc | source | (unstable) | (unfixed) | unimportant | | |
Notes
Negligible security impact
https://lists.nongnu.org/archive/html/tinycc-devel/2018-12/msg00013.html