NASM - Tool

Threat entity extracted from intelligence sources

Frequency
2
occurrences
First Seen
February 18, 2026
Last Seen
May 7, 2026

NASM is a tool tracked across 2 threat clusters and 2 intelligence report mentions on ThreatCluster. First observed February 18, 2026; most recent activity May 7, 2026.

Related Threat Clusters

  • Critical NASM Vulnerabilities Affecting Ubuntu 24.04 LTS

    Daisy Chen discovered multiple vulnerabilities in NASM, including a heap buffer overflow (CVE-2023-31722) that could allow attackers to crash the software or execute arbitrary code. Additionally, NASM's improper memory…

    3 articles · Updated May 7, 2026
  • 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…

    2 articles · Updated February 18, 2026

Recent Intelligence Reports

  • Ubuntu 24.04 LTS NASM Critical Heap Overflow Denial of Service USN-8248 — Linuxsecurity · May 7, 2026
  • 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

CVSS v3.1 Breakdown