VULNERABILITY INTELLIGENCE

CVE-2023-31973

CVSS score5.5 MEDIUM
EPSS probability0.31%
CISA KEVNot currently listed
Published2023-05-09
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Description

yasm v1.3.0 was discovered to contain a use after free via the function expand_mmac_params at /nasm/nasm-pp.c. Note: Multiple third parties dispute this as a bug and not a vulnerability according to the YASM security policy.

Weakness classification

  • CWE-401: Missing Release of Memory after Effective Lifetime
  • CWE-590: Free of Memory not on the Heap

Primary references