← All advisories

Unrated severityNVD Advisory· Published Oct 20, 2003· Updated Jun 16, 2026

CVE-2003-0740

CVE-2003-0740

Description

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

24

Stunnel/Stunnel24 versions
cpe:2.3:a:stunnel:stunnel:3.10:*:*:*:*:*:*:*+ 23 more
- cpe:2.3:a:stunnel:stunnel:3.10:*:*:*:*:*:*:*
- cpe:2.3:a:stunnel:stunnel:3.11:*:*:*:*:*:*:*
- cpe:2.3:a:stunnel:stunnel:3.12:*:*:*:*:*:*:*
- cpe:2.3:a:stunnel:stunnel:3.13:*:*:*:*:*:*:*
- cpe:2.3:a:stunnel:stunnel:3.14:*:*:*:*:*:*:*
- cpe:2.3:a:stunnel:stunnel:3.15:*:*:*:*:*:*:*
- cpe:2.3:a:stunnel:stunnel:3.16:*:*:*:*:*:*:*
- cpe:2.3:a:stunnel:stunnel:3.17:*:*:*:*:*:*:*
- cpe:2.3:a:stunnel:stunnel:3.18:*:*:*:*:*:*:*
- cpe:2.3:a:stunnel:stunnel:3.19:*:*:*:*:*:*:*
- cpe:2.3:a:stunnel:stunnel:3.20:*:*:*:*:*:*:*
- cpe:2.3:a:stunnel:stunnel:3.21:*:*:*:*:*:*:*
- cpe:2.3:a:stunnel:stunnel:3.21a:*:*:*:*:*:*:*
- cpe:2.3:a:stunnel:stunnel:3.21b:*:*:*:*:*:*:*
- cpe:2.3:a:stunnel:stunnel:3.21c:*:*:*:*:*:*:*
- cpe:2.3:a:stunnel:stunnel:3.22:*:*:*:*:*:*:*
- cpe:2.3:a:stunnel:stunnel:3.24:*:*:*:*:*:*:*
- cpe:2.3:a:stunnel:stunnel:3.3:*:*:*:*:*:*:*
- cpe:2.3:a:stunnel:stunnel:3.4a:*:*:*:*:*:*:*
- cpe:2.3:a:stunnel:stunnel:3.7:*:*:*:*:*:*:*
- cpe:2.3:a:stunnel:stunnel:3.8:*:*:*:*:*:*:*
- cpe:2.3:a:stunnel:stunnel:3.9:*:*:*:*:*:*:*
- cpe:2.3:a:stunnel:stunnel:4.0:*:*:*:*:*:*:*
- (no CPE)range: <=4.00 and 3.24

Patches

Vulnerability mechanics

References

4

News mentions

0

No linked articles in our index yet.