CVE-2011-2940

Published: Aug 25, 2011Modified: Apr 29, 2026

9.3

Vector

AV:N/AC:M/Au:N/C:C/I:C/A:C

Exploitability: 8.6 / Impact: 10.0

Source: NVD

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 (2)

Products: Stunnel: Stunnel

Stunnel

1 product

Stunnel

Configuration A

2 vulnerable

Vulnerable Software	Affected Versions
Stunnel Stunnel	Version 4.40
Stunnel Stunnel	Version 4.41

Related CWEs

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.

References (20)

http://secunia.com/advisories/45705

Source: secalert@redhat.com

Vendor Advisory

http://securitytracker.com/id?1025959

Source: secalert@redhat.com

http://stunnel.org/?page=sdf_ChangeLog

Source: secalert@redhat.com

http://www.openwall.com/lists/oss-security/2011/08/19/18

Source: secalert@redhat.com

http://www.openwall.com/lists/oss-security/2011/08/19/6

Source: secalert@redhat.com

http://www.osvdb.org/74600

Source: secalert@redhat.com

http://www.securityfocus.com/bid/49254

Source: secalert@redhat.com

http://www.stunnel.org/pipermail/stunnel-announce/2011-August/000059.html

Source: secalert@redhat.com

https://bugzilla.redhat.com/show_bug.cgi?id=732068

Source: secalert@redhat.com

https://exchange.xforce.ibmcloud.com/vulnerabilities/69318

Source: secalert@redhat.com

http://secunia.com/advisories/45705