CVE-2019-12495
First published: Fri May 31 2019(Updated: )
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.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| TinyCC | =0.9.27 |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2019-12495?
CVE-2019-12495 has a medium-severity rating due to its potential for an out-of-bounds write that may lead to further exploitation.
How do I fix CVE-2019-12495?
To mitigate CVE-2019-12495, upgrade Tiny C Compiler to version 0.9.28 or later, which includes patches for the vulnerability.
What types of systems are affected by CVE-2019-12495?
CVE-2019-12495 specifically affects systems running Tiny C Compiler version 0.9.27.
What kind of vulnerability is CVE-2019-12495?
CVE-2019-12495 is classified as an out-of-bounds write vulnerability that occurs during the compilation of specific crafted source files.
Are there any known exploits for CVE-2019-12495?
As of now, there are no public exploits reported specifically targeting CVE-2019-12495, but the nature of the vulnerability poses a risk for potential exploitation.
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