CVE-2019-12495

An issue was discovered in Tiny C Compiler (aka TinyCC or TCC) 0.9.27. Compiling a crafted source file leads to a one-byte out-of-bounds write in the gsym_addr function in x86_64-gen.c. This occurs because tccasm.c mishandles section switches.

Score

CVSS 3.0 5.5 Medium

Status

Modified - cve@mitre.org

Published

2019-05-31

Last modified

2024-08-04

Weaknesses

CWE-787

Affected products

• Tinycc (Tinycc)

References

• http://www.securityfocus.com/bid/108541
• https://lists.nongnu.org/archive/html/tinycc-devel/2019-05/msg00044.html
• https://repo.or.cz/tinycc.git/commit/d04ce7772c2bc2781ab2502e0b1f1964488814b5