CVE catalog
CVE-2015-3644
stunnel4: CVE-2015-3644
- Severity
- Medium
- Published
- Source
- [NVD] · [CVE record]
- EPSS
- 2.12% · Oct 25, 2026
Stunnel 5.00 through 5.13, when using the redirect option, does not redirect client connections to the expected server after the initial connection, which allows remote attackers to bypass authentication.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | stunnel4 | trixie | 3:5.74-2 | fixed |
| Debian | stunnel4 | bookworm | 3:5.68-2+deb12u1 | fixed |
| Suse | stunnel | linux enterprise server 12 | 5.00-3.1 | fixed |
| Suse | stunnel | linux enterprise server for sap applications 12 | 5.00-3.1 | fixed |
| Opensuse | stunnel | tumbleweed | 5.65-1.1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | stunnel4 | source | trixie | 3:5.18-1 | not yet assigned | Not reported | [785352] |
| Debian | stunnel4 | source | bookworm | 3:5.18-1 | not yet assigned | Not reported | [785352] |
| Suse | stunnel | rpm | linux enterprise server 12 | 5.00-3.1 | Not reported | SUSE-SU-2015:1062-1 | Not reported |
| Suse | stunnel | rpm | linux enterprise server for sap applications 12 | 5.00-3.1 | Not reported | SUSE-SU-2015:1062-1 | Not reported |
| Opensuse | stunnel | rpm | tumbleweed | 5.65-1.1 | Not reported | OPENSUSE-SU-2024:12196-1 | Not reported |
OpenFactory catalog packages
[openSUSE Tumbleweed]
- [stunnel-doc]Unknown
Source package: [stunnel]
Details (1)
5.80-1.1· noarch · tumbleweedUnknown · Fixed:
5.65-1.1Version impact unknown
dsa · stunnel · opensuse · tumbleweed
- [stunnel]Fixed
Source package: [stunnel]
Details (1)
5.80-1.1· x86_64 · tumbleweedFixed · Fixed:
5.65-1.1dsa · stunnel · opensuse · tumbleweed
[Debian 12 (Bookworm)]
- [stunnel4]Fixed
Details (2)
3:5.68-2+deb12u1· amd64 · bookwormFixed · Fixed:
3:5.18-1dsa · stunnel4 · debian · bookworm; dsa · stunnel4 · debian · 12
3:5.68-2+deb12u1· arm64 · bookwormFixed · Fixed:
3:5.18-1dsa · stunnel4 · debian · bookworm; dsa · stunnel4 · debian · 12
[Debian 13 (Trixie)]
- [stunnel4]Fixed
Details (2)
3:5.74-2· amd64 · trixieFixed · Fixed:
3:5.18-1dsa · stunnel4 · debian · 13
3:5.74-2· arm64 · trixieFixed · Fixed:
3:5.18-1dsa · stunnel4 · debian · 13
Observed:
References
- [https://ftp.suse.com/pub/projects/security/csaf/suse-su-2015_1062-1.json]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2015-3644]
- [https://osv.dev/vulnerability/DSA-3299-1]
- [https://osv.dev/vulnerability/SUSE-SU-2015:1062-1]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2015-3644]
- [https://osv.dev/vulnerability/openSUSE-SU-2024:12196-1]
- [https://security-tracker.debian.org/tracker/CVE-2015-3644]
[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [SUSE security advisories and VEX]