SUSE · Security update for stunnel
Affects SUSESource GCVE Database
Mentioned vulnerabilities
Not known to be exploited · CVSS 5.4 Medium : upgrade SUSE stunnel to 5.80 when convenient.
Data as of 10 Nov 2026, 20:18 UTC
Thin evidence
One scorer or none| CNA (redhat) | CVSS 3.1 | 5.4 |
|---|
- Patch
- Available – fixed in 5.80
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:NExploitation evidence
Disclosed: evidence found.
CVE published 4 Aug 2026
Detectable: no evidence on record.
No public nuclei template indexed
Weaponized: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 10 Nov 2026.
What to do
Upgrade stunnel to 5.80.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
| Mobi-Com Polska Sp. z o.o.stunnel | Affected
| Fixed in
|
GitHubstunnelpkg:github/stunnelOther threats | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
Apply the security update provided by the SUSE Product Security Team for stunnel to remediate these vulnerabilities. Since this is an official security update, deploying the patch will address the issues.
Description
This security update for stunnel addresses two vulnerabilities: CVE-2026-70367, which involves incomplete IP address filtering in SOCKS proxy mode allowing localhost restriction bypasses, and CVE-2026-70368, where oversized log messages in logging routines can cause stack out-of-bounds reads.
References
- suse.com/support/security/rating/ (opens in a new tab)
- ftp.suse.com/pub/projects/security/csaf/2026/opensuse-su-2026_22088-1.json (opens in a new tab)
- bugzilla.suse.com/1274206 (opens in a new tab)
- bugzilla.suse.com/1274207 (opens in a new tab)
- suse.com/security/cve/CVE-2026-70367/ (opens in a new tab)
- suse.com/security/cve/CVE-2026-70368/ (opens in a new tab)