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.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Pidgin | Pidgin | 2.6.0 (including) | 2.6.0 (including) |
| Pidgin | Pidgin | 2.6.1 (including) | 2.6.1 (including) |
| Pidgin | Pidgin | 2.6.2 (including) | 2.6.2 (including) |
| Pidgin | Pidgin | 2.6.4 (including) | 2.6.4 (including) |
| Pidgin | Pidgin | 2.6.5 (including) | 2.6.5 (including) |
| Pidgin | Pidgin | 2.6.6 (including) | 2.6.6 (including) |
| Pidgin | Pidgin | 2.7.0 (including) | 2.7.0 (including) |
| Pidgin | Pidgin | 2.7.1 (including) | 2.7.1 (including) |
| Pidgin | Pidgin | 2.7.2 (including) | 2.7.2 (including) |
| Pidgin | Pidgin | 2.7.3 (including) | 2.7.3 (including) |
| Pidgin | Pidgin | 2.7.4 (including) | 2.7.4 (including) |
| Pidgin | Pidgin | 2.7.5 (including) | 2.7.5 (including) |
| Pidgin | Pidgin | 2.7.6 (including) | 2.7.6 (including) |
| Pidgin | Pidgin | 2.7.7 (including) | 2.7.7 (including) |
| Pidgin | Pidgin | 2.7.8 (including) | 2.7.8 (including) |
| Pidgin | Pidgin | 2.7.9 (including) | 2.7.9 (including) |
| Pidgin | Pidgin | 2.7.10 (including) | 2.7.10 (including) |