CVE-2023-31973

PoC —

CVSS 3.1

5.5 medium

EPSS

<1%p24

Published

May 9, 2023 (May 9, 2023)

Modified

Jun 17, 2026

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.

Vendors: tortall
Products: yasm
Weakness: CWE-401, CWE-590
Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

NVD CVE.org GitHub PoCs EPSS (0.3%)

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