Vulnerability · Published May 17, 2023 · Assigned by mitre
CVE-2023-31723
Medium 5.5
In plain English
A medium-severity security flaw in the yasm package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 22% of all known vulnerabilities).
Severity (CVSS 3.1)5.5Medium
Exploit odds (30 days)0.3%top 78.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
yasm 1.3.0.55.g101bc was discovered to contain a segmentation violation via the function expand_mmac_params at /nasm/nasm-pp.c.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | yasm | no fix listed | DEBIAN-CVE-2023-31723 |
| Debian:13 | yasm | no fix listed | DEBIAN-CVE-2023-31723 |
| Debian:14 | yasm | no fix listed | DEBIAN-CVE-2023-31723 |
| Ubuntu:22.04:LTS | yasm | no fix listed | UBUNTU-CVE-2023-31723 |
| Ubuntu:24.04:LTS | yasm | no fix listed | UBUNTU-CVE-2023-31723 |
| Ubuntu:25.10 | yasm | no fix listed | UBUNTU-CVE-2023-31723 |
| Ubuntu:26.04:LTS | yasm | no fix listed | UBUNTU-CVE-2023-31723 |
| Ubuntu:26.10 | yasm | no fix listed | UBUNTU-CVE-2023-31723 |