Critical NASM Vulnerabilities Affecting Ubuntu 24.04 LTS

Critical NASM Vulnerabilities Affecting Ubuntu 24.04 LTS

First seen 7 May 2026, 21:08 UTC •UbuntuLinuxsecuritylaunchpad.net •92% similarity •74.0

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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 allocation could lead to excessive resource usage, causing denial of service (CVE-2021-33452, CVE-2021-33450). These vulnerabilities specifically impact Ubuntu 24.04 LTS, with the potential for denial of service and resource exhaustion. Users are advised to update their systems to mitigate these risks. The vulnerabilities were disclosed on May 7, 2026, and are part of a broader set of security issues affecting NASM.

Key Points: • NASM vulnerabilities could lead to denial of service and arbitrary code execution. • Affected systems include Ubuntu 24.04 LTS, with significant resource usage concerns. • Users should update to the latest NASM versions to mitigate these vulnerabilities.

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Timeline

2022-07-26
CVE-2021-33450 published
Vulnerability in NASM related to improper memory allocation, leading to denial of service.
Ubuntu
2022-07-26
CVE-2021-33452 published
Another memory allocation vulnerability in NASM identified, affecting resource management.
Ubuntu
2023-05-17
CVE-2023-31722 published
Heap buffer overflow vulnerability in NASM discovered, allowing potential code execution or crashes.
Ubuntu
2026-05-07
NASM vulnerabilities disclosed
Multiple vulnerabilities affecting NASM were publicly disclosed, prompting urgent updates for affected systems.
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Ubuntu Ubuntu 24.04 LTS Denial of Service Zero-day Exploit NASM