Vulnerability · Published May 9, 2023 · Assigned by mitre

CVE-2023-31974

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 error 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

EcosystemPackageFixed inAdvisory
Debian:12yasmno fix listedDEBIAN-CVE-2023-31974
Debian:13yasmno fix listedDEBIAN-CVE-2023-31974
Debian:14yasmno fix listedDEBIAN-CVE-2023-31974

Affected products (as reported)

VendorProductVersions
n/a n/a n/a

Weakness: CWE-416 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

References