{"id":"CVE-2010-4528","aliases":["DEBIAN-CVE-2010-4528","EUVD-2010-4496","GHSA-jmfm-mjhr-jhgw"],"status":"published","title":"directconn.c in the MSN protocol plugin in libpurple 2.7.6 through 2.7.8 in Pidgin before 2.7.9...","description":"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.","severity":{"version":"2.0","score":4,"vector":"AV:N/AC:L/Au:S/C:N/I:N/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.02548,"percentile":0.85115,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-20"],"published":"2011-01-07T11:00:00Z","modified":"2026-10-23T17:47:31Z","fixes":[{"ecosystem":"Debian:12","package":"pidgin","fixed_in":["2.7.9-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"pidgin","fixed_in":["2.7.9-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"pidgin","fixed_in":["2.7.9-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"pidgin","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.7.9-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"pidgin","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.7.9-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"pidgin","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.7.9-1"}]}]}],"products":[{"vendor":"pidgin","product":"libpurple"},{"vendor":"pidgin","product":"pidgin"}],"references":[{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=665421","tags":["x_refsource_CONFIRM","x_transferred","report"]},{"url":"http://lists.opensuse.org/opensuse-security-announce/2011-01/msg00003.html","tags":["vendor-advisory","x_refsource_SUSE","x_transferred","web"]},{"url":"http://www.openwall.com/lists/oss-security/2010/12/27/1","tags":["mailing-list","x_refsource_MLIST","x_transferred","Patch","fix"]},{"url":"http://developer.pidgin.im/viewmtn/revision/diff/e76f4ad4ef2f10588195a0eedc7a08f82062f79c/with/aaa07bde3c51d3684391ae6ed86b6dbaeab5d031/libpurple/protocols/msn/directconn.c","tags":["x_refsource_CONFIRM","x_transferred","Patch","fix"]},{"url":"http://www.openwall.com/lists/oss-security/2010/12/31/5","tags":["mailing-list","x_refsource_MLIST","x_transferred","Patch","fix"]},{"url":"http://www.pidgin.im/news/security/?id=49","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor 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Advisory","advisory"]},{"url":"http://www.vupen.com/english/advisories/2011/0076","tags":["vdb-entry","x_refsource_VUPEN","x_transferred","advisory"]},{"url":"http://www.vupen.com/english/advisories/2011/0054","tags":["vdb-entry","x_refsource_VUPEN","x_transferred","advisory"]},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2011-January/052862.html","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2011-January/052905.html","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"http://secunia.com/advisories/42824","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","Vendor Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2010-4528"},{"url":"https://github.com/advisories/GHSA-jmfm-mjhr-jhgw"},{"url":"https://security-tracker.debian.org/tracker/CVE-2010-4528","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2010-4528","description":"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.","status":"published","published":"2011-01-07T11:00:00Z","modified":"2024-08-07T03:51:17.019Z","updated_at":"2026-11-02T14:33:28.50039Z"}],"euvd":[{"id":"EUVD-2010-4496","description":"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.","status":"published","published":"2011-01-07T11:00:00Z","modified":"2024-08-07T03:51:17Z","updated_at":"2026-11-03T01:39:30.072311Z"}],"ghsa":[{"id":"GHSA-jmfm-mjhr-jhgw","title":"directconn.c in the MSN protocol plugin in libpurple 2.7.6 through 2.7.8 in Pidgin before 2.7.9...","description":"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.","status":"published","published":"2022-05-17T01:03:04Z","modified":"2023-02-03T05:02:58Z","cwes":["CWE-20"],"updated_at":"2026-11-02T14:53:16.686347Z"}],"nvd":[{"id":"CVE-2010-4528","description":"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.","status":"published","published":"2011-01-07T12:00:49.577Z","modified":"2026-06-16T23:24:58.943Z","cvss":[{"version":"2.0","score":4,"vector":"AV:N/AC:L/Au:S/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-20"],"updated_at":"2026-11-02T14:02:03.297831Z"}],"osv":[{"id":"CVE-2010-4528","description":"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.","status":"published","published":"2011-01-07T12:00:49Z","modified":"2026-04-10T03:41:31.710835Z","updated_at":"2026-11-02T15:43:57.991581Z"},{"id":"DEBIAN-CVE-2010-4528","description":"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.","status":"published","published":"2011-01-07T12:00:49.577Z","modified":"2026-10-23T17:47:31.172096447Z","updated_at":"2026-11-02T15:45:24.316685Z"}]}}