CVE-2011-1091

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.

• http://developer.pidgin.im/viewmtn/revision/diff/5cbe18129b6e7c660bc093f7e5e1414ceca17d04/with/a7c415abba1f5f01f79295337518837f73d99bb7/libpurple/protocols/yahoo/libymsg.cPatch
• http://developer.pidgin.im/viewmtn/revision/info/a7c415abba1f5f01f79295337518837f73d99bb7Patch
• http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055874.html
• http://lists.fedoraproject.org/pipermail/package-announce/2011-March/056309.html
• http://secunia.com/advisories/43695Vendor Advisory
• http://secunia.com/advisories/43721
• http://secunia.com/advisories/46376
• http://slackware.com/security/viewer.php?l=slackware-security&y=2011&m=slackware-security.466884
• http://www.pidgin.im/news/security/?id=51Patch, Vendor Advisory
• http://www.redhat.com/support/errata/RHSA-2011-0616.html
• http://www.redhat.com/support/errata/RHSA-2011-1371.html
• http://www.securityfocus.com/bid/46837
• http://www.vupen.com/english/advisories/2011/0643
• http://www.vupen.com/english/advisories/2011/0661
• http://www.vupen.com/english/advisories/2011/0669
• http://www.vupen.com/english/advisories/2011/0703
• https://bugzilla.redhat.com/show_bug.cgi?id=683031
• https://exchange.xforce.ibmcloud.com/vulnerabilities/66055
• https://hermes.opensuse.org/messages/13195955
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18402
• http://developer.pidgin.im/viewmtn/revision/diff/5cbe18129b6e7c660bc093f7e5e1414ceca17d04/with/a7c415abba1f5f01f79295337518837f73d99bb7/libpurple/protocols/yahoo/libymsg.cPatch
• http://developer.pidgin.im/viewmtn/revision/info/a7c415abba1f5f01f79295337518837f73d99bb7Patch
• http://lists.fedoraproject.org/pipermail/package-announce/2011-March/055874.html
• http://lists.fedoraproject.org/pipermail/package-announce/2011-March/056309.html
• http://secunia.com/advisories/43695Vendor Advisory
• http://secunia.com/advisories/43721
• http://secunia.com/advisories/46376
• http://slackware.com/security/viewer.php?l=slackware-security&y=2011&m=slackware-security.466884
• http://www.pidgin.im/news/security/?id=51Patch, Vendor Advisory
• http://www.redhat.com/support/errata/RHSA-2011-0616.html
• http://www.redhat.com/support/errata/RHSA-2011-1371.html
• http://www.securityfocus.com/bid/46837
• http://www.vupen.com/english/advisories/2011/0643
• http://www.vupen.com/english/advisories/2011/0661
• http://www.vupen.com/english/advisories/2011/0669
• http://www.vupen.com/english/advisories/2011/0703
• https://bugzilla.redhat.com/show_bug.cgi?id=683031
• https://exchange.xforce.ibmcloud.com/vulnerabilities/66055
• https://hermes.opensuse.org/messages/13195955
• https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18402

Published

Mar 14, 2011

Last Modified

Jun 16, 2026

Status

Modified

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