NULL Pointer Dereference Affecting expat package, versions [0,]


Severity

Recommended
0.0
low
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.02% (4th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications

Snyk Learn

Learn about NULL Pointer Dereference vulnerabilities in an interactive lesson.

Start learning
  • Snyk IDSNYK-CONAN-EXPAT-15670018
  • published16 Mar 2026
  • disclosed16 Mar 2026
  • creditUnknown

Introduced: 16 Mar 2026

NewCVE-2026-32778  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

A fix was pushed into the master branch but not yet published.

Overview

Affected versions of this package are vulnerable to NULL Pointer Dereference in the setContext function on retry after an earlier out-of-memory condition. An attacker can cause a denial of service by triggering a NULL pointer dereference through repeated memory exhaustion scenarios.

References

CVSS Base Scores

version 4.0
version 3.1