Improper Check for Unusual or Exceptional Conditions Affecting nasm package, versions [,2.13.02)


Severity

Recommended
0.0
medium
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.2% (43rd percentile)

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  • Snyk IDSNYK-CONAN-NASM-10077740
  • published8 May 2025
  • disclosed21 Dec 2017
  • creditUnknown

Introduced: 21 Dec 2017

CVE-2017-17815  (opens in a new tab)
CWE-754  (opens in a new tab)

How to fix?

Upgrade nasm to version 2.13.02 or higher.

Overview

Affected versions of this package are vulnerable to Improper Check for Unusual or Exceptional Conditions. In Netwide Assembler (NASM) 2.14rc0, there is an illegal address access in is_mmacro() in asm/preproc.c that will cause a remote denial of service attack, because of a missing check for the relationship between minimum and maximum parameter counts.

CVSS Base Scores

version 3.1