{"id":"CVE-2011-4100","aliases":["DEBIAN-CVE-2011-4100","EUVD-2011-4051","GHSA-43qp-rp4g-mx9r"],"status":"published","title":"The csnStreamDissector function in epan/dissectors/packet-csn1.c in the CSN.1 dissector in...","description":"The csnStreamDissector function in epan/dissectors/packet-csn1.c in the CSN.1 dissector in Wireshark 1.6.x before 1.6.3 does not initialize a certain variable, which allows remote attackers to cause a denial of service (application crash) via a malformed packet.","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":0.02281,"percentile":0.83259,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-399"],"published":"2011-11-03T15:00:00Z","modified":"2026-10-23T17:47:28Z","fixes":[{"ecosystem":"Debian:12","package":"wireshark","fixed_in":["1.6.3-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"wireshark","fixed_in":["1.6.3-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"wireshark","fixed_in":["1.6.3-1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"wireshark","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.6.3-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"wireshark","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.6.3-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"wireshark","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.6.3-1"}]}]}],"products":[{"vendor":"wireshark","product":"wireshark"}],"references":[{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=750643","tags":["x_refsource_CONFIRM","x_transferred","Patch","fix"]},{"url":"http://www.securityfocus.com/bid/50479","tags":["vdb-entry","x_refsource_BID","x_transferred","web"]},{"url":"http://www.wireshark.org/security/wnpa-sec-2011-17.html","tags":["x_refsource_CONFIRM","x_transferred","web"]},{"url":"http://secunia.com/advisories/46644","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred","advisory"]},{"url":"http://anonsvn.wireshark.org/viewvc?view=revision\u0026revision=39140","tags":["x_refsource_CONFIRM","x_transferred","Patch","fix"]},{"url":"http://osvdb.org/76768","tags":["vdb-entry","x_refsource_OSVDB","x_transferred","web"]},{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14833","tags":["vdb-entry","signature","x_refsource_OVAL","x_transferred","web"]},{"url":"http://openwall.com/lists/oss-security/2011/11/01/9","tags":["mailing-list","x_refsource_MLIST","x_transferred","Patch","fix"]},{"url":"https://exchange.xforce.ibmcloud.com/vulnerabilities/71090","tags":["vdb-entry","x_refsource_XF","x_transferred","web"]},{"url":"https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=6351","tags":["x_refsource_CONFIRM","x_transferred","Patch","fix"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-4100"},{"url":"https://github.com/advisories/GHSA-43qp-rp4g-mx9r"},{"url":"https://security-tracker.debian.org/tracker/CVE-2011-4100","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2011-4100","description":"The csnStreamDissector function in epan/dissectors/packet-csn1.c in the CSN.1 dissector in Wireshark 1.6.x before 1.6.3 does not initialize a certain variable, which allows remote attackers to cause a denial of service (application crash) via a malformed packet.","status":"published","published":"2011-11-03T15:00:00Z","modified":"2024-08-06T23:53:32.687Z","updated_at":"2026-11-02T14:35:37.671707Z"}],"euvd":[{"id":"EUVD-2011-4051","description":"The csnStreamDissector function in epan/dissectors/packet-csn1.c in the CSN.1 dissector in Wireshark 1.6.x before 1.6.3 does not initialize a certain variable, which allows remote attackers to cause a denial of service (application crash) via a malformed packet.","status":"published","published":"2011-11-03T15:00:00Z","modified":"2024-08-06T23:53:32Z","updated_at":"2026-11-03T01:39:49.868954Z"}],"ghsa":[{"id":"GHSA-43qp-rp4g-mx9r","title":"The csnStreamDissector function in epan/dissectors/packet-csn1.c in the CSN.1 dissector in...","description":"The csnStreamDissector function in epan/dissectors/packet-csn1.c in the CSN.1 dissector in Wireshark 1.6.x before 1.6.3 does not initialize a certain variable, which allows remote attackers to cause a denial of service (application crash) via a malformed packet.","status":"published","published":"2022-05-17T01:00:10Z","modified":"2023-02-03T05:02:58Z","updated_at":"2026-11-02T14:53:16.236274Z"}],"nvd":[{"id":"CVE-2011-4100","description":"The csnStreamDissector function in epan/dissectors/packet-csn1.c in the CSN.1 dissector in Wireshark 1.6.x before 1.6.3 does not initialize a certain variable, which allows remote attackers to cause a denial of service (application crash) via a malformed packet.","status":"published","published":"2011-11-03T15:55:00.95Z","modified":"2026-06-16T23:34:25.463Z","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":"2026-11-02T14:02:10.769216Z"}],"osv":[{"id":"CVE-2011-4100","description":"The csnStreamDissector function in epan/dissectors/packet-csn1.c in the CSN.1 dissector in Wireshark 1.6.x before 1.6.3 does not initialize a certain variable, which allows remote attackers to cause a denial of service (application crash) via a malformed packet.","status":"published","published":"2011-11-03T15:55:00Z","modified":"2026-04-10T03:42:01.159559Z","updated_at":"2026-11-02T15:43:58.279353Z"},{"id":"DEBIAN-CVE-2011-4100","description":"The csnStreamDissector function in epan/dissectors/packet-csn1.c in the CSN.1 dissector in Wireshark 1.6.x before 1.6.3 does not initialize a certain variable, which allows remote attackers to cause a denial of service (application crash) via a malformed packet.","status":"published","published":"2011-11-03T15:55:00.95Z","modified":"2026-10-23T17:47:28.883259902Z","updated_at":"2026-11-02T15:45:24.612044Z"}]}}