Unrated severityNVD Advisory· Published Mar 14, 2011· Updated Jun 16, 2026
CVE-2011-1091
CVE-2011-1091
Description
libymsg.c in the Yahoo! protocol plugin in libpurple in Pidgin 2.6.0 through 2.7.10 allows (1) remote authenticated users to cause a denial of service (NULL pointer dereference and application crash) via a malformed YMSG notification packet, and allows (2) remote Yahoo! servers to cause a denial of service (NULL pointer dereference and application crash) via a malformed YMSG SMS message.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
18cpe:2.3:a:pidgin:pidgin:2.6.0:*:*:*:*:*:*:*+ 17 more
- 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:2.6.4:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.6.5:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.6.6:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.7.0:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.7.1:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.7.10:*:*:*:*:*:*:*
- cpe:2.3:a:pidgin:pidgin:2.7.2:*:*:*:*:*:*:*
- 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:*:*:*:*:*:*:*
- (no CPE)range: 2.6.0 - 2.7.10
Patches
Vulnerability mechanics
References
20- developer.pidgin.im/viewmtn/revision/diff/5cbe18129b6e7c660bc093f7e5e1414ceca17d04/with/a7c415abba1f5f01f79295337518837f73d99bb7/libpurple/protocols/yahoo/libymsg.cnvdPatch
- developer.pidgin.im/viewmtn/revision/info/a7c415abba1f5f01f79295337518837f73d99bb7nvdPatch
- www.pidgin.im/news/security/nvdPatchVendor Advisory
- secunia.com/advisories/43695nvdVendor Advisory
- lists.fedoraproject.org/pipermail/package-announce/2011-March/055874.htmlnvd
- lists.fedoraproject.org/pipermail/package-announce/2011-March/056309.htmlnvd
- secunia.com/advisories/43721nvd
- secunia.com/advisories/46376nvd
- slackware.com/security/viewer.phpnvd
- www.redhat.com/support/errata/RHSA-2011-0616.htmlnvd
- www.redhat.com/support/errata/RHSA-2011-1371.htmlnvd
- www.securityfocus.com/bid/46837nvd
- www.vupen.com/english/advisories/2011/0643nvd
- www.vupen.com/english/advisories/2011/0661nvd
- www.vupen.com/english/advisories/2011/0669nvd
- www.vupen.com/english/advisories/2011/0703nvd
- bugzilla.redhat.com/show_bug.cginvd
- exchange.xforce.ibmcloud.com/vulnerabilities/66055nvd
- hermes.opensuse.org/messages/13195955nvd
- oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18402nvd
News mentions
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