Medium severity5.5NVD Advisory· Published May 31, 2019· Updated Jun 17, 2026
CVE-2019-12495
CVE-2019-12495
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.
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Affected products
3- Tiny C Compiler/Tiny C Compilerdescription
- Range: =0.9.27
Patches
Vulnerability mechanics
References
3- repo.or.cz/tinycc.git/commit/d04ce7772c2bc2781ab2502e0b1f1964488814b5nvdPatchThird Party Advisory
- lists.nongnu.org/archive/html/tinycc-devel/2019-05/msg00044.htmlnvdExploitThird Party Advisory
- www.securityfocus.com/bid/108541nvd
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