Unrated severityNVD Advisory· Published Dec 17, 2011· Updated Apr 29, 2026
CVE-2011-4603
CVE-2011-4603
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
46cpe:2.3:a:pidgin:pidgin:*:*:*:*:*:*:*:*+ 45 more
- cpe:2.3:a:pidgin:pidgin:*:*:*:*:*:*:*:*range: <=2.10.0
- cpe:2.3:a:pidgin:pidgin:2.0.0:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.0.1:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.0.2:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.1.0:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.1.1:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.2.0:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.2.1:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.2.2:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.3.0:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.3.1:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.4.0:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.4.1:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.4.2:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.4.3:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.5.0:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.5.1:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.5.2:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.5.3:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.5.4:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.5.5:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.5.6:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.5.7:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.5.8:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.5.9:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.6.0:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.6.1:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.6.2:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.6.3:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.6.4:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.6.5:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.6.6:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.7.1:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.7.10:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.7.11:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.7.2:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.7.3:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.7.4:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.7.5:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.7.6:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.7.7:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.7.8:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.7.9:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.8.0:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.9.0:*:*:*:*:*:*:*
- (no CPE)range: <2.10.1
Patches
Vulnerability mechanics
AI mechanics synthesis has not run for this CVE yet.
References
8- developer.pidgin.im/viewmtn/revision/diff/c7b95cc3be0590b52edc02d4750ae62844c1acb6/with/afb9ede3de989f217f03d5670cca00e628bd11f1/libpurple/protocols/silc/ops.cnvdPatch
- www.pidgin.im/news/security/nvdPatchVendor Advisory
- developer.pidgin.im/viewmtn/revision/info/afb9ede3de989f217f03d5670cca00e628bd11f1nvd
- secunia.com/advisories/47234nvd
- www.redhat.com/support/errata/RHSA-2011-1820.htmlnvd
- www.securityfocus.com/bid/51074nvd
- hermes.opensuse.org/messages/13195955nvd
- oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18303nvd
News mentions
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