| Name | CVE-2007-4996 |
| Description | 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." |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| pidgin (PTS) | jessie, jessie (lts) | 2.11.0-0+deb8u2 | fixed |
| stretch (security), stretch (lts), stretch | 2.12.0-1+deb9u1 | fixed |
| buster | 2.13.0-2 | fixed |
| bullseye | 2.14.1-1 | fixed |
| bookworm | 2.14.12-1 | fixed |
| sid, trixie | 2.14.13-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| pidgin | source | (unstable) | 2.2.1-1 | medium | | |
Notes
Gaim not affected, vulnerable code was introduced in 2.2.0