CVE-2011-4603

N/A Unknown
Published: December 17, 2011 Modified: April 29, 2026
View on NVD

Description

The silc_channel_message function in ops.c in the SILC protocol plugin in libpurple in Pidgin before 2.10.1 does not perform the expected UTF-8 validation on message data, which allows remote attackers to cause a denial of service (application crash) via a crafted message, a different vulnerability than CVE-2011-3594.

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References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://developer.pidgin.im/viewmtn/revision/diff/c7b95cc3be0590b52edc02d4750ae62844c1acb6/with/afb9ede3de989f217f03d5670cca00e628bd11f1/libpurple/protocols/silc/ops.c
Source: secalert@redhat.com
Patch
http://developer.pidgin.im/viewmtn/revision/info/afb9ede3de989f217f03d5670cca00e628bd11f1
Source: secalert@redhat.com
http://secunia.com/advisories/47234
Source: secalert@redhat.com
http://www.pidgin.im/news/security/?id=59
Source: secalert@redhat.com
Patch Vendor Advisory
http://www.redhat.com/support/errata/RHSA-2011-1820.html
Source: secalert@redhat.com
http://www.securityfocus.com/bid/51074
Source: secalert@redhat.com
https://hermes.opensuse.org/messages/13195955
Source: secalert@redhat.com
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18303
Source: secalert@redhat.com
http://developer.pidgin.im/viewmtn/revision/diff/c7b95cc3be0590b52edc02d4750ae62844c1acb6/with/afb9ede3de989f217f03d5670cca00e628bd11f1/libpurple/protocols/silc/ops.c
Source: af854a3a-2127-422b-91ae-364da2661108
Patch
http://developer.pidgin.im/viewmtn/revision/info/afb9ede3de989f217f03d5670cca00e628bd11f1
Source: af854a3a-2127-422b-91ae-364da2661108
http://secunia.com/advisories/47234
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.pidgin.im/news/security/?id=59
Source: af854a3a-2127-422b-91ae-364da2661108
Patch Vendor Advisory
http://www.redhat.com/support/errata/RHSA-2011-1820.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securityfocus.com/bid/51074
Source: af854a3a-2127-422b-91ae-364da2661108
https://hermes.opensuse.org/messages/13195955
Source: af854a3a-2127-422b-91ae-364da2661108
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18303
Source: af854a3a-2127-422b-91ae-364da2661108

16 reference(s) from NVD

Quick Stats

CVSS v3 Score
N/A / 10.0
EPSS (Exploit Probability)
3.7%
88th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-20

Affected Vendors

pidgin

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