CWE
562
Advisory Published
Updated

CVE-2020-21686

First published: Tue Aug 22 2023(Updated: )

A stack-use-after-scope issue discovered in expand_mmac_params function in preproc.c in nasm before 2.15.04 allows remote attackers to cause a denial of service via crafted asm file.

Credit: cve@mitre.org cve@mitre.org

Affected SoftwareAffected VersionHow to fix
Nasm Netwide Assembler<2.15.04

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Frequently Asked Questions

  • What is the vulnerability ID for this issue?

    The vulnerability ID for this issue is CVE-2020-21686.

  • What is the severity of CVE-2020-21686?

    The severity of CVE-2020-21686 is medium.

  • What is the affected software for CVE-2020-21686?

    The affected software for CVE-2020-21686 is Nasm Netwide Assembler version 2.15.04.

  • What is the description of CVE-2020-21686?

    CVE-2020-21686 is a stack-use-after-scope issue discovered in the expand_mmac_params function in preproc.c in Nasm Netwide Assembler before version 2.15.04, which allows remote attackers to cause a denial of service via crafted asm file.

  • Is there any reference available for CVE-2020-21686?

    Yes, you can refer to this link for more information: [CVE-2020-21686](https://bugzilla.nasm.us/show_bug.cgi?id=3392643)

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