CVE-2003-0740 Affecting stunnel package, versions <2:3.26


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.7% (49th percentile)

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  • Snyk IDSNYK-DEBIANUNSTABLE-STUNNEL-16638896
  • published11 May 2026
  • disclosed20 Oct 2003

Introduced: 20 Oct 2003

CVE-2003-0740  (opens in a new tab)

How to fix?

Upgrade Debian:unstable stunnel to version 2:3.26 or higher.

NVD Description

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

Stunnel 4.00, and 3.24 and earlier, leaks a privileged file descriptor returned by listen(), which allows local users to hijack the Stunnel server.

CVSS Base Scores

version 3.1