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CVE-2011-2943

nvd nist
Published: Aug 29, 2011Modified: Apr 29, 2026

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4.3
Vector
AV:N/AC:M/Au:N/C:N/I:N/A:P
Exploitability: 8.6 / Impact: 2.9
Source: NVD

Description

The irc_msg_who function in msgs.c in the IRC protocol plugin in libpurple 2.8.0 through 2.9.0 in Pidgin before 2.10.0 does not properly validate characters in nicknames, which allows user-assisted remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted nickname that is not properly handled in a WHO response.

Affected (46)

Products: Pidgin: Libpurple, Pidgin
2 products
Libpurple
Pidgin
Configuration A
46 vulnerable
Vulnerable SoftwareAffected Versions
Pidgin
Version 2.8.0
Version 2.9.0
Pidgin
Up to 2.9.0
Version 2.0.0
Version 2.0.1
Version 2.0.2
Version 2.1.0
Version 2.1.1
Version 2.2.0
Version 2.2.1
Version 2.2.2
Version 2.3.0
Version 2.3.1
Version 2.4.0
Version 2.4.1
Version 2.4.2
Version 2.4.3
Version 2.5.0
Version 2.5.1
Version 2.5.2
Version 2.5.3
Version 2.5.4
Version 2.5.5
Version 2.5.6
Version 2.5.7
Version 2.5.8
Version 2.5.9
Version 2.6.0
Version 2.6.1
Version 2.6.2
Version 2.6.4
Version 2.6.5
Version 2.6.6
Version 2.7.0
Version 2.7.10
Version 2.7.11
Version 2.7.1
Version 2.7.2
Version 2.7.3
Version 2.7.4
Version 2.7.5
Version 2.7.6
Version 2.7.7
Version 2.7.8
Version 2.7.9
Version 2.8.0

References (24)

Source: secalert@redhat.com
PatchVendor Advisory
Source: secalert@redhat.com
Vendor Advisory
Source: secalert@redhat.com
Source: secalert@redhat.com
Source: secalert@redhat.com
Source: af854a3a-2127-422b-91ae-364da2661108
PatchVendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Vendor Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108
Source: af854a3a-2127-422b-91ae-364da2661108

Timeline

No history available yet.