Use After Free Affecting nasm-rdoff package, versions *


Severity

Recommended
low

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
0.07% (34th percentile)

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  • Snyk IDSNYK-RHEL7-NASMRDOFF-5862517
  • published26 Aug 2023
  • disclosed6 Jan 2020

Introduced: 6 Jan 2020

CVE-2020-21686  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

There is no fixed version for RHEL:7 nasm-rdoff.

NVD Description

Note: Versions mentioned in the description apply only to the upstream nasm-rdoff package and not the nasm-rdoff package as distributed by RHEL. See How to fix? for RHEL:7 relevant fixed versions and status.

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.

CVSS Scores

version 3.1