Directory Traversal Affecting exim4 package, versions <4.97-4ubuntu4.7


Severity

Recommended
medium

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.27% (20th percentile)

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  • Snyk IDSNYK-UBUNTU2404-EXIM4-18323374
  • published29 Jul 2026
  • disclosed24 Jul 2026

Introduced: 24 Jul 2026

NewCVE-2026-66140  (opens in a new tab)
CWE-24  (opens in a new tab)

How to fix?

Upgrade Ubuntu:24.04 exim4 to version 4.97-4ubuntu4.7 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream exim4 package and not the exim4 package as distributed by Ubuntu. See How to fix? for Ubuntu:24.04 relevant fixed versions and status.

Exim before 4.99.5 allows directory traversal to access files outside of the spool area, and consequently gain privileges, because arguments related to queue-name are mishandled.