Use After Free Affecting exim/exim package, versions [,4.98.2)


Severity

Recommended
0.0
high
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.03% (6th 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 Use After Free vulnerabilities in an interactive lesson.

Start learning
  • Snyk IDSNYK-UNMANAGED-EXIMEXIM-10292122
  • published2 Jun 2025
  • disclosed28 Mar 2025
  • creditTrend Micro

Introduced: 28 Mar 2025

CVE-2025-30232  (opens in a new tab)
CWE-416  (opens in a new tab)

How to fix?

Upgrade exim/exim to version 4.98.2 or higher.

Overview

Affected versions of this package are vulnerable to Use After Free via the debug_pretrigger_buf pointer through the command-line interface. An attacker can escalate privileges by exploiting the freed memory area before it is reallocated.

CVSS Base Scores

version 4.0
version 3.1