{"id":"CVE-2020-25862","aliases":["ALPINE-CVE-2020-25862","DEBIAN-CVE-2020-25862","DLA-2547-1","EUVD-2020-18495","GHSA-pjfh-cvv7-x572","MGASA-2020-0384","SUSE-SU-2020:3166-1","UBUNTU-CVE-2020-25862","USN-6262-1","openSUSE-SU-2020:1878-1","openSUSE-SU-2020:1882-1","openSUSE-SU-2024:11513-1"],"status":"published","title":"In Wireshark 3.2.0 to 3.2.6, 3.0.0 to 3.0.13, and 2.6.0 to 2.6.20, the TCP dissector could crash....","description":"In Wireshark 3.2.0 to 3.2.6, 3.0.0 to 3.0.13, and 2.6.0 to 2.6.20, the TCP dissector could crash. This was addressed in epan/dissectors/packet-tcp.c by changing the handling of the invalid 0xFFFF checksum.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.02353,"percentile":0.83861,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-354"],"published":"2020-10-06T14:41:25Z","modified":"2026-11-03T06:32:25Z","fixes":[{"ecosystem":"Alpine:v3.10","package":"wireshark","fixed_in":["3.0.14-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.11","package":"wireshark","fixed_in":["3.0.14-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.12","package":"wireshark","fixed_in":["3.2.7-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.13","package":"wireshark","fixed_in":["3.2.7-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.14","package":"wireshark","fixed_in":["3.2.7-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.15","package":"wireshark","fixed_in":["3.2.7-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.16","package":"wireshark","fixed_in":["3.2.7-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.17","package":"wireshark","fixed_in":["3.2.7-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.18","package":"wireshark","fixed_in":["3.2.7-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.19","package":"wireshark","fixed_in":["3.2.7-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.20","package":"wireshark","fixed_in":["3.2.7-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.21","package":"wireshark","fixed_in":["3.2.7-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.22","package":"wireshark","fixed_in":["3.2.7-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.23","package":"wireshark","fixed_in":["3.2.7-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.24","package":"wireshark","fixed_in":["3.2.7-r0"],"sources":["osv"]},{"ecosystem":"Alpine:v3.9","package":"wireshark","fixed_in":["2.6.20-r0"],"sources":["osv"]},{"ecosystem":"Debian:12","package":"wireshark","fixed_in":["3.2.7-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"wireshark","fixed_in":["3.2.7-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"wireshark","fixed_in":["3.2.7-1"],"sources":["osv"]},{"ecosystem":"Ubuntu:Pro:14.04:LTS","package":"wireshark","fixed_in":["2.6.10-1~ubuntu14.04.0~esm2"],"sources":["osv"]},{"ecosystem":"Ubuntu:Pro:16.04:LTS","package":"wireshark","fixed_in":["2.6.10-1~ubuntu16.04.0+esm1"],"sources":["osv"]},{"ecosystem":"Ubuntu:Pro:18.04:LTS","package":"wireshark","fixed_in":["2.6.10-1~ubuntu18.04.0+esm1"],"sources":["osv"]},{"ecosystem":"Ubuntu:Pro:20.04:LTS","package":"wireshark","fixed_in":["3.2.3-1ubuntu0.1~esm1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Alpine:v3.10","package":"wireshark","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.6.0"},{"fixed":"3.0.14-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.11","package":"wireshark","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.6.0"},{"fixed":"3.0.14-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.12","package":"wireshark","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.6.0"},{"fixed":"3.2.7-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.13","package":"wireshark","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.6.0"},{"fixed":"3.2.7-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.14","package":"wireshark","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.6.0"},{"fixed":"3.2.7-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.15","package":"wireshark","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.6.0"},{"fixed":"3.2.7-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.16","package":"wireshark","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.6.0"},{"fixed":"3.2.7-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.17","package":"wireshark","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.6.0"},{"fixed":"3.2.7-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.18","package":"wireshark","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.6.0"},{"fixed":"3.2.7-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.19","package":"wireshark","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.6.0"},{"fixed":"3.2.7-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.20","package":"wireshark","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.6.0"},{"fixed":"3.2.7-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.21","package":"wireshark","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.6.0"},{"fixed":"3.2.7-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.22","package":"wireshark","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.6.0"},{"fixed":"3.2.7-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.23","package":"wireshark","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.6.0"},{"fixed":"3.2.7-r0"}]}]},{"source":"osv","ecosystem":"Alpine:v3.24","package":"wireshark","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.6.0"},{"fixed":"3.2.7-r0"}]}]},{"source":"osv","ecosyste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Wireshark 3.2.0 to 3.2.6, 3.0.0 to 3.0.13, and 2.6.0 to 2.6.20, the TCP dissector could crash. This was addressed in epan/dissectors/packet-tcp.c by changing the handling of the invalid 0xFFFF checksum.","status":"published","published":"2020-10-06T14:41:25Z","modified":"2024-08-04T15:49:06.003Z","updated_at":"2026-11-02T14:35:48.854892Z"}],"euvd":[{"id":"EUVD-2020-18495","description":"In Wireshark 3.2.0 to 3.2.6, 3.0.0 to 3.0.13, and 2.6.0 to 2.6.20, the TCP dissector could crash. This was addressed in epan/dissectors/packet-tcp.c by changing the handling of the invalid 0xFFFF checksum.","status":"published","published":"2020-10-06T14:41:25Z","modified":"2024-08-04T15:49:06Z","updated_at":"2026-11-03T03:07:16.308974Z"}],"ghsa":[{"id":"GHSA-pjfh-cvv7-x572","title":"In Wireshark 3.2.0 to 3.2.6, 3.0.0 to 3.0.13, and 2.6.0 to 2.6.20, the TCP dissector could crash....","description":"In Wireshark 3.2.0 to 3.2.6, 3.0.0 to 3.0.13, and 2.6.0 to 2.6.20, the TCP dissector could crash. This was addressed in epan/dissectors/packet-tcp.c by changing the handling of the invalid 0xFFFF checksum.","status":"published","published":"2022-05-24T17:30:11Z","modified":"2023-01-29T05:04:03Z","cwes":["CWE-354"],"updated_at":"2026-11-02T14:45:27.507739Z"}],"nvd":[{"id":"CVE-2020-25862","description":"In Wireshark 3.2.0 to 3.2.6, 3.0.0 to 3.0.13, and 2.6.0 to 2.6.20, the TCP dissector could crash. This was addressed in epan/dissectors/packet-tcp.c by changing the handling of the invalid 0xFFFF checksum.","status":"published","published":"2020-10-06T15:15:15.273Z","modified":"2026-06-17T03:07:24.413Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-354"],"updated_at":"2026-11-02T14:06:17.70091Z"}],"osv":[{"id":"ALPINE-CVE-2020-25862","description":"In Wireshark 3.2.0 to 3.2.6, 3.0.0 to 3.0.13, and 2.6.0 to 2.6.20, the TCP dissector could crash. This was addressed in epan/dissectors/packet-tcp.c by changing the handling of the invalid 0xFFFF checksum.","status":"published","published":"2020-10-06T15:15:15.273Z","modified":"2026-11-03T06:32:25.127947794Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-03T07:17:57.723967Z"},{"id":"CVE-2020-25862","description":"In Wireshark 3.2.0 to 3.2.6, 3.0.0 to 3.0.13, and 2.6.0 to 2.6.20, the TCP dissector could crash. This was addressed in epan/dissectors/packet-tcp.c by changing the handling of the invalid 0xFFFF checksum.","status":"published","published":"2020-10-06T15:15:15.273Z","modified":"2026-10-24T14:50:57.665628053Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:44:15.879068Z"},{"id":"DEBIAN-CVE-2020-25862","description":"In Wireshark 3.2.0 to 3.2.6, 3.0.0 to 3.0.13, and 2.6.0 to 2.6.20, the TCP dissector could crash. This was addressed in epan/dissectors/packet-tcp.c by changing the handling of the invalid 0xFFFF checksum.","status":"published","published":"2020-10-06T15:15:15.273Z","modified":"2026-10-26T12:00:51.250069375Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:45:33.729655Z"},{"id":"UBUNTU-CVE-2020-25862","description":"In Wireshark 3.2.0 to 3.2.6, 3.0.0 to 3.0.13, and 2.6.0 to 2.6.20, the TCP dissector could crash. This was addressed in epan/dissectors/packet-tcp.c by changing the handling of the invalid 0xFFFF checksum.","status":"published","published":"2020-10-06T15:15:00Z","modified":"2026-04-22T12:36:04.760584Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T15:54:23.905183Z"},{"id":"DLA-2547-1","title":"wireshark - security update","status":"published","published":"2021-02-06T00:00:00Z","modified":"2026-03-09T01:18:08.523693Z","updated_at":"2026-11-02T15:46:10.712745Z"},{"id":"MGASA-2020-0384","title":"Updated wireshark packages fix security vulnerabilities","description":"The TCP dissector could crash (CVE-2020-25862).\n\nThe MIME Multipart dissector could crash (CVE-2020-25863).\n\nThe BLIP dissector could crash (CVE-2020-25866).\n","status":"published","published":"2020-10-16T15:44:59Z","modified":"2026-04-16T04:43:49.591834975Z","updated_at":"2026-11-02T15:49:41.509337Z"},{"id":"openSUSE-SU-2020:1878-1","title":"Security update for wireshark","description":"This update for wireshark fixes the following issues:\n\n- Update to wireshark 3.2.7:\n  * CVE-2020-25863: MIME Multipart dissector crash (bsc#1176908)\n  * CVE-2020-25862: TCP dissector crash (bsc#1176909)\n  * CVE-2020-25866: BLIP dissector crash (bsc#1176910)\n  * CVE-2020-17498: Kafka dissector crash (bsc#1175204)\n\nThis update was imported from the SUSE:SLE-15:Update update project.","status":"published","published":"2020-11-08T19:24:25Z","modified":"2026-02-04T04:11:56.452027Z","updated_at":"2026-11-02T16:58:31.517538Z"},{"id":"openSUSE-SU-2020:1882-1","title":"Security update for wireshark","description":"This update for wireshark fixes the following issues:\n\n- Update to wireshark 3.2.7:\n  * CVE-2020-25863: MIME Multipart dissector crash (bsc#1176908)\n  * CVE-2020-25862: TCP dissector crash (bsc#1176909)\n  * CVE-2020-25866: BLIP dissector crash (bsc#1176910)\n  * CVE-2020-17498: Kafka dissector crash (bsc#1175204)\n\nThis update was imported from the SUSE:SLE-15:Update update project.","status":"published","published":"2020-11-09T13:25:40Z","modified":"2026-02-04T03:51:03.57151Z","updated_at":"2026-11-02T16:58:31.517538Z"},{"id":"openSUSE-SU-2024:11513-1","title":"libwireshark14-3.4.8-1.2 on GA media","description":"These are all security issues fixed in the libwireshark14-3.4.8-1.2 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T02:58:40.825311Z","updated_at":"2026-11-02T16:58:35.195147Z"},{"id":"SUSE-SU-2020:3166-1","title":"Security update for wireshark","description":"This update for wireshark fixes the following issues:\n\n- Update to wireshark 3.2.7:\n  * CVE-2020-25863: MIME Multipart dissector crash (bsc#1176908)\n  * CVE-2020-25862: TCP dissector crash (bsc#1176909)\n  * CVE-2020-25866: BLIP dissector crash (bsc#1176910)\n  * CVE-2020-17498: Kafka dissector crash (bsc#1175204)\n","status":"published","published":"2020-11-05T09:38:03Z","modified":"2026-02-04T03:10:19.129951Z","updated_at":"2026-11-02T15:53:48.11786Z"},{"id":"USN-6262-1","title":"wireshark vulnerabilities","description":"It was discovered that Wireshark did not properly handle certain\nNFS packages when certain configuration options were enabled.\nAn attacker could possibly use this issue to cause\nWireshark to crash, resulting in a denial of service. (CVE-2020-13164)\n\nIt was discovered that Wireshark did not properly handle certain GVCP\npackages. An attacker could possibly use this issue to cause\nWireshark to crash, resulting in a denial of service. This issue only\naffected Ubuntu 20.04 LTS. (CVE-2020-15466)\n\nIt was discovered that Wireshark did not properly handle certain\nKafka packages. An attacker could possibly use this issue to cause\nWireshark to crash, resulting in a denial of service. This issue only\naffected Ubuntu 20.04 LTS. (CVE-2020-17498)\n\nIt was discovered that Wireshark did not properly handle certain TCP\npackages containing an invalid 0xFFFF checksum. An attacker could\npossibly use this issue to cause Wireshark to crash, resulting in\na denial of service. (CVE-2020-25862)\n\nIt was discovered that Wireshark did not properly handle certain\nMIME packages containing invalid parts. An attacker could\npossibly use this issue to cause Wireshark to crash, resulting in\na denial of service. (CVE-2020-25863)\n","status":"published","published":"2023-07-31T08:24:50Z","modified":"2026-06-29T13:50:55.530446279Z","updated_at":"2026-11-02T16:58:17.305935Z"}]}}