CVE-2021-33466

5.5 mediumEPSS 0.3%

Medium (5.5) in tortall yasm. EPSS 0.3% chance of exploitation in the next 30 days.

An issue was discovered in yasm version 1.3.0. There is a NULL pointer dereference in expand_smacro() in modules/preprocs/nasm/nasm-pp.c.

Severity

5.5 medium

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

EPSS: 0.3% chance of exploitation in the next 30 days; higher than 25% of CVEs (scores of 2026-10-31)
CWE: CWE-476
Published: 2022-07-26
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19