{"id":"CVE-2011-3184","aliases":["DEBIAN-CVE-2011-3184","EUVD-2011-3151","GHSA-4fh6-vrqh-wvpv"],"status":"published","title":"The msn_httpconn_parse_data function in httpconn.c in the MSN protocol plugin in libpurple in...","description":"The msn_httpconn_parse_data function in httpconn.c in the MSN protocol plugin in libpurple in Pidgin before 2.10.0 does not properly handle HTTP 100 responses, which allows remote attackers to cause a denial of service (incorrect memory access and application crash) via vectors involving a crafted server message.","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":0.03858,"percentile":0.90238,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-399"],"published":"2011-08-29T17:00:00Z","modified":"2026-10-23T17:47:26Z","fixes":[{"ecosystem":"Debian:12","package":"pidgin","fixed_in":["2.10.0-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"pidgin","fixed_in":["2.10.0-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"pidgin","fixed_in":["2.10.0-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"pidgin","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.10.0-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"pidgin","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.10.0-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"pidgin","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.10.0-1"}]}]}],"products":[{"vendor":"pidgin","product":"pidgin"}],"references":[{"url":"http://lists.fedoraproject.org/pipermail/package-announce/2011-August/064943.html","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred","web"]},{"url":"http://www.openwall.com/lists/oss-security/2011/08/22/10","tags":["mailing-list","x_refsource_MLIST","x_transferred","web"]},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18284","tags":["vdb-entry","signature","x_refsource_OVAL","x_transferred","web"]},{"url":"http://developer.pidgin.im/viewmtn/revision/diff/5c2dba4a7e2e76b76e7f472b88953a4316706d43/with/16af0661899a978b4fedc1c165965b85009013d1/libpurple/protocols/msn/httpconn.c","tags":["x_refsource_CONFIRM","x_transferred","Patch","fix"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/69341","tags":["vdb-entry","x_refsource_XF","x_transferred","web"]},{"url":"http://pidgin.im/news/security/?id=54","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor 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msn_httpconn_parse_data function in httpconn.c in the MSN protocol plugin in libpurple in Pidgin before 2.10.0 does not properly handle HTTP 100 responses, which allows remote attackers to cause a denial of service (incorrect memory access and application crash) via vectors involving a crafted server message.","status":"published","published":"2011-08-29T17:00:00Z","modified":"2024-08-06T23:22:27.696Z","updated_at":"2026-11-02T14:35:37.671707Z"}],"euvd":[{"id":"EUVD-2011-3151","description":"The msn_httpconn_parse_data function in httpconn.c in the MSN protocol plugin in libpurple in Pidgin before 2.10.0 does not properly handle HTTP 100 responses, which allows remote attackers to cause a denial of service (incorrect memory access and application crash) via vectors involving a crafted server message.","status":"published","published":"2011-08-29T17:00:00Z","modified":"2024-08-06T23:22:27Z","updated_at":"2026-11-03T01:39:52.582864Z"}],"ghsa":[{"id":"GHSA-4fh6-vrqh-wvpv","title":"The msn_httpconn_parse_data function in httpconn.c in the MSN protocol plugin in libpurple in...","description":"The msn_httpconn_parse_data function in httpconn.c in the MSN protocol plugin in libpurple in Pidgin before 2.10.0 does not properly handle HTTP 100 responses, which allows remote attackers to cause a denial of service (incorrect memory access and application crash) via vectors involving a crafted server message.","status":"published","published":"2022-05-17T01:00:34Z","modified":"2023-02-03T05:03:02Z","updated_at":"2026-11-02T14:53:17.178427Z"}],"nvd":[{"id":"CVE-2011-3184","description":"The msn_httpconn_parse_data function in httpconn.c in the MSN protocol plugin in libpurple in Pidgin before 2.10.0 does not properly handle HTTP 100 responses, which allows remote attackers to cause a denial of service (incorrect memory access and application crash) via vectors involving a crafted server message.","status":"published","published":"2011-08-29T17:55:01.097Z","modified":"2026-06-16T23:32:49.35Z","cvss":[{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-399"],"updated_at":"2026-11-02T14:02:09.988332Z"}],"osv":[{"id":"CVE-2011-3184","description":"The msn_httpconn_parse_data function in httpconn.c in the MSN protocol plugin in libpurple in Pidgin before 2.10.0 does not properly handle HTTP 100 responses, which allows remote attackers to cause a denial of service (incorrect memory access and application crash) via vectors involving a crafted server message.","status":"published","published":"2011-08-29T17:55:01Z","modified":"2026-04-10T03:41:55.555871Z","updated_at":"2026-11-02T15:43:58.279353Z"},{"id":"DEBIAN-CVE-2011-3184","description":"The msn_httpconn_parse_data function in httpconn.c in the MSN protocol plugin in libpurple in Pidgin before 2.10.0 does not properly handle HTTP 100 responses, which allows remote attackers to cause a denial of service (incorrect memory access and application crash) via vectors involving a crafted server message.","status":"published","published":"2011-08-29T17:55:01.097Z","modified":"2026-10-23T17:47:26.544880873Z","updated_at":"2026-11-02T15:45:24.612044Z"}]}}