The XMPP protocol plugin in libpurple in Pidgin before 2.6.2 does not properly handle an error IQ stanza during an attempted fetch of a custom smiley, which allows remote attackers to cause a denial of service (application crash) via XHTML-IM content with cid: images.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Libpurple | Pidgin | * | * |
| Red Hat Enterprise Linux 4 | RedHat | pidgin-0:2.6.2-2.el4 | * |
| Red Hat Enterprise Linux 5 | RedHat | pidgin-0:2.6.2-2.el5 | * |
| Pidgin | Ubuntu | intrepid | * |
| Pidgin | Ubuntu | jaunty | * |
| Pidgin | Ubuntu | upstream | * |