Use After Free in Yasm Project

CVE-2023-31725

yasm 1.3.0.55.g101bc was discovered to contain a heap-use-after-free via the function expand_mmac_params at yasm/modules/preprocs/nasm/nasm-pp.c.

Vulnerability class: Use-After-Free

EPSS: 0.003 (21.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

Affected products

Yasm_project Yasm — versions 1.3.0.55.g101bc
N/a — versions n/a

Weakness classification (CWE)

CWE-416 — Use After Free

References

cve@mitre.org (Exploit, Third Party Advisory, Issue Tracking)
cve@mitre.org (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2023-31725?: CVE-2023-31725 is a medium-severity vulnerability in Yasm Project, classified under Use After Free. CVSS score: 5.5/10. Published 2023-05-17.
How severe is CVE-2023-31725?: Medium severity. CVSS v3 base score is 5.5 out of 10.