NULL Pointer Dereference Affecting yasm-devel package, versions <0:1.2.0-1.5.amzn1


Severity

Recommended
0.0
medium
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.06% (27th percentile)

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  • Snyk IDSNYK-AMZN201803-YASMDEVEL-5414686
  • published6 Apr 2023
  • disclosed26 Jul 2022

Introduced: 26 Jul 2022

CVE-2021-33459  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2018.03 yasm-devel to version 0:1.2.0-1.5.amzn1 or higher.
This issue was patched in ALAS-2023-1724.

NVD Description

Note: Versions mentioned in the description apply only to the upstream yasm-devel package and not the yasm-devel package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2018.03 relevant fixed versions and status.

An issue was discovered in yasm version 1.3.0. There is a NULL pointer dereference in nasm_parser_directive() in modules/parsers/nasm/nasm-parse.c.

CVSS Scores

version 3.1