Vulnerability · Published Jan 18, 2024 · Assigned by mitre

CVE-2023-51258

Medium 5.5

In plain English

A medium-severity memory leak 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 18% of all known vulnerabilities).

Severity (CVSS 3.1)5.5Medium
Exploit odds (30 days)0.3%top 82.3% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

A memory leak issue discovered in YASM v.1.3.0 allows a local attacker to cause a denial of service via the new_Token function in the modules/preprocs/nasm/nasm-pp:1512.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12yasmno fix listedDEBIAN-CVE-2023-51258
Debian:13yasmno fix listedDEBIAN-CVE-2023-51258
Debian:14yasmno fix listedDEBIAN-CVE-2023-51258
Ubuntu:22.04:LTSyasmno fix listedUBUNTU-CVE-2023-51258
Ubuntu:24.04:LTSyasmno fix listedUBUNTU-CVE-2023-51258
Ubuntu:25.10yasmno fix listedUBUNTU-CVE-2023-51258
Ubuntu:26.04:LTSyasmno fix listedUBUNTU-CVE-2023-51258
Ubuntu:26.10yasmno fix listedUBUNTU-CVE-2023-51258

Affected products (as reported)

VendorProductVersions
n/a n/a n/a

Weakness: CWE-401 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

References