VulnerabilityModified
CVE-2019-9754
An issue was discovered in Tiny C Compiler (aka TinyCC or TCC) 0.9.27.
MEDIUM 5.5EPSS 0.87%
Does this matter?
Lower severity and a low EPSS score (0.87%). Track it; it rarely justifies an emergency change on its own.
Description
An issue was discovered in Tiny C Compiler (aka TinyCC or TCC) 0.9.27. Compiling a crafted source file leads to an 1 byte out of bounds write in the end_macro function in tccpp.c.
- CVSS 3.0
- 5.5 MEDIUMCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- EPSS
- 0.87% probability · 58th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- tinycc/tinycc
- Source
- cve@mitre.org
EPSS 0.9% since 26 October 2026; no change recorded yet. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
References
- https://lists.nongnu.org/archive/html/tinycc-devel/2019-03/msg00038.htmlExploit, Mailing List, Third Party Advisory
- https://lists.nongnu.org/archive/html/tinycc-devel/2019-03/msg00038.htmlExploit, Mailing List, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.