Vulnerabilities > CVE-2019-12495 - Out-of-bounds Write vulnerability in Tinycc 0.9.27

047910
CVSS 5.5 - MEDIUM
Attack vector
LOCAL
Attack complexity
LOW
Privileges required
NONE
Confidentiality impact
NONE
Integrity impact
NONE
Availability impact
HIGH
local
low complexity
tinycc
CWE-787
NVD
Published: 2019-05-31
Updated: 2024-11-21

Summary

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.

Vulnerable Configurations

Part Description Count
Application
Tinycc
1

Common Weakness Enumeration (CWE)

References