An issue exists 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.
Debian Bug report logs -
#925127
tcc: CVE-2019-9754
Package:
src:tcc;
Maintainer for src:tcc is Thomas Preud'homme <robotux@debianorg>;
Reported by: Salvatore Bonaccorso <carnil@debianorg>
Date: Wed, 20 Mar 2019 05:21:01 UTC
Severity: normal
Tags: security, upstream
Found in version tcc/0927-8
Forwarded to ht ...
Vulmon