CVE-2011-4603

Pidgin < 2.10.1 - Denial of Service via SILC Protocol Message Handling

Title source: llm
STIX 2.1

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.

References (8)

Core 8
Core References
Vendor Advisory vendor-advisory x_refsource_redhat
http://www.redhat.com/support/errata/RHSA-2011-1820.html
Third Party Advisory, VDB Entry vdb-entry x_refsource_bid
http://www.securityfocus.com/bid/51074
Various Sources vendor-advisory x_refsource_suse
https://hermes.opensuse.org/messages/13195955
Third Party Advisory, VDB Entry vdb-entry signature x_refsource_oval
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18303
Patch, Vendor Advisory x_refsource_confirm
http://www.pidgin.im/news/security/?id=59
Third Party Advisory third-party-advisory x_refsource_secunia
http://secunia.com/advisories/47234

Scores

EPSS 0.0373
EPSS Percentile 88.6%

Details

CWE
CWE-20
Status published
Products (45)
pidgin/pidgin 2.0.0
pidgin/pidgin 2.0.1
pidgin/pidgin 2.0.2
pidgin/pidgin 2.1.0
pidgin/pidgin 2.1.1
pidgin/pidgin 2.2.0
pidgin/pidgin 2.2.1
pidgin/pidgin 2.2.2
pidgin/pidgin 2.3.0
pidgin/pidgin 2.3.1
... and 35 more
Published Dec 17, 2011
Tracked Since Feb 18, 2026