CVE-2020-21528 A Segmentation Fault issue discovered in in ieee_segment function in outieee.c in nasm 2.14.03 and 2.15 allows remote attackers to cause a denial of service via crafted assembly file.

Api.Msrc.Microsoft • February 18, 2026

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Segmentation Fault Vulnerabilities in NASM Affect Remote Systems Two segmentation fault vulnerabilities have been identified in NASM versions 2.14.03, 2.15, and 2.16. CVE-2020-21528 allows remote attackers to cause a denial of service via crafted assembly files, while CVE-2022-46457 is related to a segmentation violation in ieee_write_file. Users of affected NASM versions are at risk. 2 sources 50

Extracted Entities

Attack Types (1)

Denial of Service

CVEs (1)

MITRE ATT&CK (1)

T1499 - Endpoint Denial of Service

Tools (1)