CVE-2019-12495

PoC —

CVSS 3.0

5.5 medium

EPSS

1%p67

Published

May 31, 2019 (May 31, 2019)

Modified

Jun 17, 2026

Description

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.

Vendors: tinycc
Products: tinycc
Weakness: CWE-787
Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

NVD CVE.org GitHub PoCs EPSS (1.2%)

In the news0 stories

No ingested article mentions this CVE yet.