VDB
CVE-2019-12495
CVE-2019-12495
PUBLISHED
CVSS 5.5 MEDIUM
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.
EPSS 1.22% · 66.5th percentile
Risk Scores
CVSS 3.0
5.5
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS Score
1.22%
66.5th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:18.04:LTS | tcc | 0, 0.9.27~git20161217.cd9514ab-3ubuntu1, 0.9.27-2 |
| Ubuntu:20.04:LTS | tcc | 0, 0.9.27-8 |
| Ubuntu:16.04:LTS | tcc | *, 0, 0.9.27~git20140923.9d7fb33-3ubuntu1 |
Timeline
- May 31, 2019 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Aug 24, 2021 EPSS Score
- Dec 28, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Feb 4, 2022 EPSS Score
- Mar 1, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- Jul 4, 2022 EPSS Score
- Sep 6, 2022 EPSS Score
- Nov 8, 2022 EPSS Score
References
- https://ubuntu.com/security/CVE-2019-12495 third-party-advisory
- https://lists.nongnu.org/archive/html/tinycc-devel/2019-05/msg00044.html third-party-advisory
- https://repo.or.cz/tinycc.git/commit/d04ce7772c2bc2781ab2502e0b1f1964488814b5 third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2019-12495 third-party-advisory