Vulnerability · Published May 9, 2023 · Assigned by mitre
CVE-2023-31972
Medium 5.5
In plain English
A medium-severity use-after-free in the yasm package (Debian). Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 21% of all known vulnerabilities).
Severity (CVSS 3.1)5.5Medium
Exploit odds (30 days)0.3%top 78.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
yasm v1.3.0 was discovered to contain a use after free via the function pp_getline at /nasm/nasm-pp.c. Note: Multiple third parties dispute this as a bug and not a vulnerability according to the YASM security policy.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | yasm | no fix listed | DEBIAN-CVE-2023-31972 |
| Debian:13 | yasm | no fix listed | DEBIAN-CVE-2023-31972 |
| Debian:14 | yasm | no fix listed | DEBIAN-CVE-2023-31972 |
Affected products (as reported)
Weakness: CWE-416 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H