CVEvulnerability
CVE-2019-12495
5.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2019-05-31
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.0 ([email protected])
- 5.5 MEDIUM — CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 4.3 MEDIUM — AV:N/AC:M/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-787
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.
Affected configurations
• tinycc tinycc 0.9.27
Related
Weakness · CWE (1)
- CWE-787 Out-of-bounds Write weakness
References
- http://www.securityfocus.com/bid/108541 www.securityfocus.com
- https://lists.nongnu.org/archive/html/tinycc-devel/2019-05/msg00044.html Exploit, Third Party Advisory
- https://repo.or.cz/tinycc.git/commit/d04ce7772c2bc2781ab2502e0b1f1964488814b5 Patch, Third Party Advisory
- http://www.securityfocus.com/bid/108541 www.securityfocus.com
- https://lists.nongnu.org/archive/html/tinycc-devel/2019-05/msg00044.html Exploit, Third Party Advisory
- https://repo.or.cz/tinycc.git/commit/d04ce7772c2bc2781ab2502e0b1f1964488814b5 Patch, Third Party Advisory