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in the RFC 7468 dissector in Wireshark 3.6.0 and 3.4.0 to 3.4.10 allows denial of service via packet injection or crafted capture file","status":"published","published":"2021-12-30T00:00:00Z","modified":"2025-11-03T21:45:15.278Z","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":"cna"}],"updated_at":"2026-11-02T14:33:08.045407Z"}],"euvd":[{"id":"EUVD-2021-34042","description":"Crash in the RFC 7468 dissector in Wireshark 3.6.0 and 3.4.0 to 3.4.10 allows denial of service via packet injection or crafted capture file","status":"published","published":"2021-12-30T00:00:00Z","modified":"2025-11-03T21:45:15Z","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":"2026-11-02T19:49:31.7352Z"}],"ghsa":[{"id":"GHSA-3hwx-vc7v-fw2m","title":"Crash in the RFC 7468 dissector in Wireshark 3.6.0 and 3.4.0 to 3.4.10 allows denial of service...","description":"Crash 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file","status":"published","published":"2021-12-30T22:15:10.183Z","modified":"2026-06-17T04:19:10.293Z","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":"secondary"},{"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-835"],"updated_at":"2026-11-02T14:07:02.977492Z"}],"osv":[{"id":"ALPINE-CVE-2021-4182","description":"Crash in the RFC 7468 dissector in Wireshark 3.6.0 and 3.4.0 to 3.4.10 allows denial of service via packet injection or crafted capture file","status":"published","published":"2021-12-30T22:15:10.183Z","modified":"2026-11-03T06:32:47.843297544Z","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":"2026-11-03T07:16:46.202932Z"},{"id":"AZL-7418","title":"CVE-2021-4182 affecting package wireshark for versions less than 3.4.14-1","description":"Crash in the RFC 7468 dissector in Wireshark 3.6.0 and 3.4.0 to 3.4.10 allows denial of service via packet injection or crafted capture file","status":"published","published":"2021-12-30T22:15:10Z","modified":"2026-04-21T04:38:40.352396Z","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":"2026-11-02T15:28:09.474476Z"},{"id":"CVE-2021-4182","description":"Crash in the RFC 7468 dissector in Wireshark 3.6.0 and 3.4.0 to 3.4.10 allows denial of service via packet injection or crafted capture file","status":"published","published":"2021-12-30T22:15:10.183Z","modified":"2026-10-24T10:50:25.772323613Z","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":"2026-11-02T15:44:21.557945Z"},{"id":"DEBIAN-CVE-2021-4182","description":"Crash in the RFC 7468 dissector in Wireshark 3.6.0 and 3.4.0 to 3.4.10 allows denial of service via packet injection or crafted capture file","status":"published","published":"2021-12-30T22:15:10.183Z","modified":"2026-10-23T18:04:15.731410099Z","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":"2026-11-02T15:45:35.799676Z"},{"id":"UBUNTU-CVE-2021-4182","description":"Crash in the RFC 7468 dissector in Wireshark 3.6.0 and 3.4.0 to 3.4.10 allows denial of service via packet injection or crafted capture file","status":"published","published":"2021-12-30T22:15:00Z","modified":"2026-04-22T13:02:02.516417Z","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"},{"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":"2026-11-02T15:54:29.220315Z"},{"id":"CLSA-2026-1777370059","title":"wireshark: Fix of 7 CVEs","description":"- CVE-2021-4181: sysdig event dissector SIGSEGV fix\n- CVE-2021-4182: rfc7468 file parser infinite loop fix\n- CVE-2021-4184: bt-dht endless loop fix\n- CVE-2021-4186: gryphon NULL pkt_info dereference fix\n- CVE-2021-4190: kafka dissector varint strictness fix\n- CVE-2022-0581: cms dissector globals-scoping fix\n- CVE-2022-0583: pvfs2 heap overflow OOB read fix","status":"published","published":"2026-04-28T09:54:23Z","modified":"2026-06-01T00:32:28.091255767Z","updated_at":"2026-11-02T15:43:44.384419Z"},{"id":"DLA-3906-1","title":"wireshark - security update","status":"published","published":"2024-09-30T00:00:00Z","modified":"2026-03-09T02:11:11.067392Z","updated_at":"2026-11-02T15:46:12.203458Z"},{"id":"MGASA-2022-0004","title":"Updated wireshark packages fix security vulnerability","description":"Several wireshark vulnerabilities have been fixed. See the release notes\nfor details.\n","status":"published","published":"2022-01-03T07:36:40Z","modified":"2026-04-16T04:43:52.411897315Z","updated_at":"2026-11-02T15:49:41.849028Z"},{"id":"openSUSE-SU-2022:0375-1","title":"Security update for wireshark","description":"This update for wireshark fixes the following issues:\n\nUpdate to version 3.6.1: \n\n- CVE-2021-4185: RTMPT dissector infinite loop (bsc#1194166)\n- CVE-2021-4184: BitTorrent DHT dissector infinite loop (bsc#1194167)\n- CVE-2021-4183: pcapng file parser crash (bsc#1194168)\n- CVE-2021-4182: RFC 7468 file parser infinite loop (bsc#1194169)\n- CVE-2021-4181: Sysdig Event dissector crash (bsc#1194170)\n- CVE-2021-4190: Kafka dissector infinite loop (bsc#1194171)\n- Support for Shared Memory Communications (SMC) (jsc#SLE-18727)\n","status":"published","published":"2022-02-14T10:13:07Z","modified":"2026-02-04T03:10:45.819263Z","updated_at":"2026-11-02T16:58:32.653274Z"},{"id":"openSUSE-SU-2024:11703-1","title":"libwireshark15-3.6.1-1.1 on GA media","description":"These are all security issues fixed in the libwireshark15-3.6.1-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T02:59:49.54395Z","updated_at":"2026-11-02T16:58:35.195147Z"},{"id":"SUSE-SU-2022:0375-1","title":"Security update for wireshark","description":"This update for wireshark fixes the following issues:\n\nUpdate to version 3.6.1: \n\n- CVE-2021-4185: RTMPT dissector infinite loop (bsc#1194166)\n- CVE-2021-4184: BitTorrent DHT dissector infinite loop (bsc#1194167)\n- CVE-2021-4183: pcapng file parser crash (bsc#1194168)\n- CVE-2021-4182: RFC 7468 file parser infinite loop (bsc#1194169)\n- CVE-2021-4181: Sysdig Event dissector crash (bsc#1194170)\n- CVE-2021-4190: Kafka dissector infinite loop (bsc#1194171)\n- Support for Shared Memory Communications (SMC) (jsc#SLE-18727)\n","status":"published","published":"2022-02-14T10:14:21Z","modified":"2026-02-04T04:08:13.056822Z","updated_at":"2026-11-02T15:53:50.066806Z"},{"id":"USN-7552-1","title":"wireshark vulnerabilities","description":"It was discovered that Wireshark did not correctly handle recursion. If a\nuser or system were tricked into opening a specially crafted file, an\nattacker could possibly use this issue to cause a denial of service. This\nissue only affected Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 18.04 LTS\nand Ubuntu 20.04 LTS. (CVE-2021-39929)\n\nRoman Donchenko discovered that Wireshark did not correctly handle\nparsing certain files. If a user or system were tricked into opening a\nspecially crafted file, an attacker could possibly use this issue to\ncause a denial of service. This issue only affected Ubuntu 20.04 LTS.\n(CVE-2021-4182)\n\nIt was discovered that Wireshark did not correctly handle parsing\ncertain files. If a user or system were tricked into opening a specially\ncrafted file, an attacker could possibly use this issue to cause a denial\nof service. This issue only affected Ubuntu 14.04 LTS, Ubuntu 16.04 LTS,\nUbuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2021-4185, CVE-2022-0581)\n\nIt was discovered that Wireshark did not correctly handle parsing\ncertain files. If a user or system were tricked into opening a specially\ncrafted file, an attacker could possibly use this issue to cause a denial\nof service. This issue only affected Ubuntu 20.04 LTS. (CVE-2021-4186)\n\nSharon Brizinov discovered that Wireshark did not correctly handle\nparsing certain files. If a user or system were tricked into opening a\nspecially crafted file, an attacker could possibly use this issue to\ncause a denial of service. This issue only affected Ubuntu 14.04 LTS,\nUbuntu 16.04 LTS, Ubuntu 18.04 LTS and Ubuntu 20.04 LTS.\n(CVE-2022-0582, CVE-2022-0583, CVE-2022-0586)\n\nSharon Brizinov discovered that Wireshark did not correctly handle\nparsing certain files. If a user or system were tricked into opening a\nspecially crafted file, an attacker could possibly use this issue to\ncause a denial of service. This issue only affected Ubuntu 20.04 LTS.\n(CVE-2022-0585)\n\nJason Cohen discovered that Wireshark did not correctly handle parsing\ncertain files. If a user or system were tricked into opening a specially\ncrafted file, an attacker could possibly use this issue to cause a\ndenial of service. This issue only affected Ubuntu 22.04 LTS.\n(CVE-2022-3190)","status":"published","published":"2025-06-04T04:16:16Z","modified":"2026-06-25T13:32:30.587449817Z","updated_at":"2026-11-02T16:58:19.988474Z"}]}}