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TI-2011-02592 Aliases CVE-2011-2940GHSA-rww2-jw3v-q88c

stunnel 4.40 and 4.41 might allow remote attackers to execute arbitrary code or cause a…

Priority MEDIUM 49CWE-119Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
— Not recorded in CVSS 2.0
Attack complexity
Medium
Impact type
Code execution
Confidentiality · integrity · availability
Complete · Complete · Complete
Fix status
No fix listed

Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.

Summary

stunnel 4.40 and 4.41 might allow remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via unspecified vectors.

Why it matters now

EPSS 0.05711 93rd percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:stunnel:stunnel:4.40:*:*:*:*:*:*:*4.40VulnerableStunnel
cpe:2.3:a:stunnel:stunnel:4.41:*:*:*:*:*:*:*4.41VulnerableStunnel
  • cpe:2.3:a:stunnel:stunnel:4.40:*:*:*:*:*:*:* Versions 4.40 Vulnerable ·Stunnel
  • cpe:2.3:a:stunnel:stunnel:4.41:*:*:*:*:*:*:* Versions 4.41 Vulnerable ·Stunnel

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat rating: Important. Red Hat's page for this CVE →

Not affected: 3 products
  • Red Hat Enterprise Linux 4
  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 6

Timeline

  1. 2026-10-02 Threatist record created from CVE-2011-2940
  2. 2026-10-03 Alias added: GHSA-rww2-jw3v-q88c

References

Other 6

  • TI-2001-00060 Format string vulnerability in stunnel 3.8 and earlier allows attackers to execute… CVSS 2.0HIGH 10.0
  • TI-2002-00002 Format string vulnerability in stunnel before 3.22 when used in client mode for (1) smtp… CVSS 2.0HIGH 7.5
  • TI-2021-03525 Improper certificate validation in stunnel CVSS 3.1HIGH 7.5
  • TI-2013-01549 stunnel 4.21 through 4.54, when CONNECT protocol negotiation and NTLM authentication are… CVSS 2.0MEDIUM 6.6
  • TI-2008-02320 The OCSP functionality in stunnel before 4.24 does not properly search certificate… CVSS 2.0MEDIUM 6.8
  • TI-2003-00142 OpenSSL does not use RSA blinding by default, which allows local and remote attackers to… CVSS 2.0MEDIUM 5.0
See all 11 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences