CVE-2011-2940

stunnel: heap corruption flaw in 4.4x leads to remote DoS and possible code execution

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Published Aug 25, 2011 CVSS 2.0 · 9.3 Critical EPSS 5.7% KEV · Not listed

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.

Affected Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

OR	cpe:2.3:a:stunnel:stunnel:4.40:::::::*
	cpe:2.3:a:stunnel:stunnel:4.41:::::::*

No data.

No data available yet.

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

No advisories available

Metrics

No CVSS v4.0

No CVSS v3.1

No CVSS v3.0

Access Vector Network

Access Complexity Medium

Authentication None

Confidentiality Impact Complete

Integrity Impact Complete

Availability Impact Complete

This CVE is not in the KEV list.

Exploit prediction score: 5.7% (5.711% probability within 30 days)

Key SSVC decision points have not yet been added.

References

Link	Providers
http://secunia.com/advisories/45705
http://securitytracker.com/id?1025959
http://stunnel.org/?page=sdf_ChangeLog
http://www.openwall.com/lists/oss-security/2011/08/19/18
http://www.openwall.com/lists/oss-security/2011/08/19/6
http://www.osvdb.org/74600
http://www.securityfocus.com/bid/49254
http://www.stunnel.org/pipermail/stunnel-announce/2011-August/000059.html
https://bugzilla.redhat.com/show_bug.cgi?id=732068
https://exchange.xforce.ibmcloud.com/vulnerabilities/69318
https://nvd.nist.gov/vuln/detail/CVE-2011-2940
https://www.cve.org/CVERecord?id=CVE-2011-2940

History

No history.

Subscriptions

Stunnel Stunnel

Weaknesses

CWE-119

Sources

CVE record Updated: Aug 6, 2024, 11:15 PM

Status: PUBLISHED
Assigner: redhat
Published: Aug 25, 2011, 2:00 PM
Updated: Aug 6, 2024, 11:15 PM
Reserved: Jul 27, 2011, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 16, 2026, 11:32 PM

Status: Modified
Published: Aug 25, 2011, 2:22 PM
Modified: Jun 16, 2026, 11:32 PM

View source JSON

Red Hat Updated: Aug 18, 2011, 12:00 AM

Severity: Important
Public date: Aug 18, 2011, 12:00 AM

View source Bugzilla JSON

OpenCVE enrichment No data

No data.

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