directconn.c in the MSN protocol plugin in libpurple 2.7.6 through 2.7.8 in Pidgin before 2.7.9 allows remote authenticated users to cause a denial of service (NULL pointer dereference and application crash) via a short p2pv2 packet in a DirectConnect (aka direct connection) session.
2011-01-07T12:00:49.577
2025-04-11T00:51:21.963
Deferred
CVSSv2: 4.0 (MEDIUM)
AV:N/AC:L/Au:S/C:N/I:N/A:P
8.0
2.9
| Type | Vendor | Product | Version/Range | Vulnerable? |
|---|---|---|---|---|
| Application | pidgin | libpurple | 2.7.6 | Yes |
| Application | pidgin | libpurple | 2.7.7 | Yes |
| Application | pidgin | libpurple | 2.7.8 | Yes |
| Application | pidgin | pidgin | ≤ 2.7.8 | Yes |
| Application | pidgin | pidgin | 2.0.0 | Yes |
| Application | pidgin | pidgin | 2.0.1 | Yes |
| Application | pidgin | pidgin | 2.0.2 | Yes |
| Application | pidgin | pidgin | 2.1.0 | Yes |
| Application | pidgin | pidgin | 2.1.1 | Yes |
| Application | pidgin | pidgin | 2.2.0 | Yes |
| Application | pidgin | pidgin | 2.2.1 | Yes |
| Application | pidgin | pidgin | 2.2.2 | Yes |
| Application | pidgin | pidgin | 2.3.0 | Yes |
| Application | pidgin | pidgin | 2.3.1 | Yes |
| Application | pidgin | pidgin | 2.4.0 | Yes |
| Application | pidgin | pidgin | 2.4.1 | Yes |
| Application | pidgin | pidgin | 2.4.2 | Yes |
| Application | pidgin | pidgin | 2.4.3 | Yes |
| Application | pidgin | pidgin | 2.5.0 | Yes |
| Application | pidgin | pidgin | 2.5.1 | Yes |
| Application | pidgin | pidgin | 2.5.2 | Yes |
| Application | pidgin | pidgin | 2.5.3 | Yes |
| Application | pidgin | pidgin | 2.5.4 | Yes |
| Application | pidgin | pidgin | 2.5.5 | Yes |
| Application | pidgin | pidgin | 2.5.6 | Yes |
| Application | pidgin | pidgin | 2.5.7 | Yes |
| Application | pidgin | pidgin | 2.5.8 | Yes |
| Application | pidgin | pidgin | 2.5.9 | Yes |
| Application | pidgin | pidgin | 2.6.0 | Yes |
| Application | pidgin | pidgin | 2.6.1 | Yes |
| Application | pidgin | pidgin | 2.6.2 | Yes |
| Application | pidgin | pidgin | 2.6.4 | Yes |
| Application | pidgin | pidgin | 2.6.5 | Yes |
| Application | pidgin | pidgin | 2.6.6 | Yes |
| Application | pidgin | pidgin | 2.7.0 | Yes |
| Application | pidgin | pidgin | 2.7.1 | Yes |
| Application | pidgin | pidgin | 2.7.2 | Yes |
| Application | pidgin | pidgin | 2.7.3 | Yes |
| Application | pidgin | pidgin | 2.7.4 | Yes |
| Application | pidgin | pidgin | 2.7.5 | Yes |
| Application | pidgin | pidgin | 2.7.6 | Yes |
| Application | pidgin | pidgin | 2.7.7 | Yes |