Description
An 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.
References (1)
Core 1
Core References
Exploit, Mailing List, Third Party Advisory x_refsource_misc
https://lists.nongnu.org/archive/html/tinycc-devel/2019-03/msg00038.html
Scores
CVSS v3
5.5
EPSS
0.0087
EPSS Percentile
54.5%
Attack Vector
LOCAL
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Details
CWE
CWE-787
Status
published
Products (1)
tinycc/tinycc
0.9.27
Published
Mar 13, 2019
Tracked Since
Feb 18, 2026