{"id":"CVE-2007-4996","aliases":["DEBIAN-CVE-2007-4996","EUVD-2007-4977","GHSA-r9v7-jgpj-m4mq"],"status":"published","title":"libpurple in Pidgin before 2.2.1 does not properly handle MSN nudge messages from users who are...","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.\"","severity":{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.01761,"percentile":0.78165,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2007-10-01T20:00:00Z","modified":"2026-10-21T17:47:35Z","fixes":[{"ecosystem":"Debian:12","package":"pidgin","fixed_in":["2.2.1-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"pidgin","fixed_in":["2.2.1-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"pidgin","fixed_in":["2.2.1-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"pidgin","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.2.1-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"pidgin","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.2.1-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"pidgin","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.2.1-1"}]}]}],"products":[{"vendor":"pidgin","product":"pidgin"}],"references":[{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/36884","tags":["vdb-entry","x_refsource_XF","x_transferred","web"]},{"url":"http://secunia.com/advisories/27088","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","advisory"]},{"url":"http://www.securityfocus.com/archive/1/481402/100/0/threaded","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred","web"]},{"url":"http://www.vupen.com/english/advisories/2007/3321","tags":["vdb-entry","x_refsource_VUPEN","x_transferred","advisory"]},{"url":"http://www.pidgin.im/news/security/?id=23","tags":["x_refsource_CONFIRM","x_transferred","Patch","fix"]},{"url":"http://www.securityfocus.com/bid/25872","tags":["vdb-entry","x_refsource_BID","x_transferred","web"]},{"url":"http://fedoranews.org/updates/FEDORA-2007-236.shtml","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18261","tags":["vdb-entry","signature","x_refsource_OVAL","x_transferred","web"]},{"url":"http://secunia.com/advisories/27010","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Patch","Vendor Advisory","advisory","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2007-4996"},{"url":"https://github.com/advisories/GHSA-r9v7-jgpj-m4mq"},{"url":"https://security-tracker.debian.org/tracker/CVE-2007-4996","tags":["advisory"]}],"sources":{"cve":[{"id":"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.\"","status":"published","published":"2007-10-01T20:00:00Z","modified":"2024-08-07T15:17:27.846Z","updated_at":"2026-11-02T13:33:30.262137Z"}],"euvd":[{"id":"EUVD-2007-4977","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.\"","status":"published","published":"2007-10-01T20:00:00Z","modified":"2024-08-07T15:17:27Z","updated_at":"2026-11-03T01:16:19.217323Z"}],"ghsa":[{"id":"GHSA-r9v7-jgpj-m4mq","title":"libpurple in Pidgin before 2.2.1 does not properly handle MSN nudge messages from users who are...","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.\"","status":"published","published":"2022-05-01T18:29:00Z","modified":"2023-01-31T05:04:36Z","updated_at":"2026-11-02T14:48:41.999229Z"}],"nvd":[{"id":"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.\"","status":"published","published":"2007-10-01T20:17:00Z","modified":"2026-06-16T22:45:14.853Z","cvss":[{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:01:21.141213Z"}],"osv":[{"id":"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.\"","status":"published","published":"2007-10-01T20:17:00Z","modified":"2026-04-10T03:39:13.983418Z","updated_at":"2026-11-02T15:43:57.178433Z"},{"id":"DEBIAN-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.\"","status":"published","published":"2007-10-01T20:17:00Z","modified":"2026-10-21T17:47:35.613426105Z","updated_at":"2026-11-02T15:45:23.411908Z"}]}}