| Package | Affected versions | Patched versions |
|---|---|---|
| pidgin | = 2.2.0 |
libpurple in Pidgin before 2.2.1 does not properly handle MSN nudge messages from users who are not on the receiver's buddy list, which allows remote attackers to cause a denial of service (crash) via a nudge message that triggers an access of "an invalid memory location."
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