Out-of-bounds Write Affecting netcdf package, versions <1:4.9.0-1


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.92% (60th percentile)

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  • Snyk IDSNYK-DEBIAN14-NETCDF-11761743
  • published10 Aug 2025
  • disclosed15 Apr 2021

Introduced: 15 Apr 2021

CVE-2021-31229  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade Debian:14 netcdf to version 1:4.9.0-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream netcdf package and not the netcdf package as distributed by Debian. See How to fix? for Debian:14 relevant fixed versions and status.

An issue was discovered in libezxml.a in ezXML 0.8.6. The function ezxml_internal_dtd() performs incorrect memory handling while parsing crafted XML files, which leads to an out-of-bounds write of a one byte constant.

CVSS Base Scores

version 3.1