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CVE-2011-2940
stunnel 4.40 and 4.41 might allow remote attackers to execute arbitrary code or cause a denial of service (heap memory corruption) via…
High9.3EPSS 5.7%
- Published
- Updated
- Reserved
- Assigned by
- redhat
Description
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.
Timeline
ID reserved
By redhat
- 29 days later
· 29 days later
Published
- 13 years later
· 13 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | High9.3 | AV:N/AC:M/Au:N/C:C/I:C/A:C |
- EPSS (exploitation in 30 days)
- 5.7% · top 6.9% of all CVEs (8 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 9.3.
Weakness
Affected products
n/a
- affected n/a
References (10)
- [oss-security] 20110819 CVE request: stunnel 4.4x heap overflow flaw (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- 1025959 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- [oss-security] 20110819 Re: CVE request: stunnel 4.4x heap overflow flaw (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- https://bugzilla.redhat.com/show_bug.cgi?id=732068 (opens in a new tab)x_refsource_CONFIRMx_transferred
- http://stunnel.org/?page=sdf_ChangeLog (opens in a new tab)x_refsource_CONFIRMx_transferred
- 49254 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- [stunnel-announce] 20110818 stunnel 4.42 released (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- 74600 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
- 45705 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- stunnel-unspecifed-code-execution(69318) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2011-2940)Record last updated .