{"id":"CVE-2023-2906","aliases":["AZL-28486","AZL-44175","CLSA-2025-1765984777","CLSA-2026-1777390184","DEBIAN-CVE-2023-2906","DLA-3906-1","DSA-5559-1","EUVD-2023-34352","GHSA-hhx4-xmf9-97g5","MGASA-2023-0275","OESA-2023-1652","SUSE-SU-2023:3778-1","UBUNTU-CVE-2023-2906","openSUSE-SU-2024:13184-1"],"status":"published","title":"Wireshark CP2179 divide by zero","description":"Due to a failure in validating the length provided by an attacker-crafted CP2179 packet, Wireshark versions 2.0.0 through 4.0.7 is susceptible to a divide by zero allowing for a denial of service attack.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.02795,"percentile":0.86529,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-369"],"published":"2023-08-25T20:41:19Z","modified":"2026-10-28T02:30:59Z","fixes":[{"ecosystem":"Azure Linux:2","package":"wireshark","fixed_in":["4.0.8-1"],"sources":["osv"]},{"ecosystem":"Azure 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Linux:3","package":"wireshark","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.4.7-1"}]}]},{"source":"osv","ecosystem":"TuxCare:AlmaLinux:9.2","package":"wireshark","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:3.4.10-4.el9.tuxcare.els1"}]}]},{"source":"osv","ecosystem":"TuxCare:AlmaLinux:9.2","package":"wireshark-cli","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:3.4.10-4.el9.tuxcare.els1"}]}]},{"source":"osv","ecosystem":"TuxCare:AlmaLinux:9.2","package":"wireshark-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:3.4.10-4.el9.tuxcare.els1"}]}]},{"source":"osv","ecosystem":"TuxCare:AlmaLinux:9.6","package":"wireshark","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:3.4.10-7.el9_6.tuxcare.els4"}]}]},{"source":"osv","ecosystem":"TuxCare:AlmaLinux:9.6","package":"wireshark-cli","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:3.4.10-7.el9_6.tuxcare.els4"}]}]},{"source":"osv","ecosystem":"TuxCare:AlmaLinux:9.6","package":"wireshark-devel","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1:3.4.10-7.el9_6.tuxcare.els4"}]}]},{"source":"osv","ecosystem":"Debian:12","package":"wireshark","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.0.11-1~deb12u1"}]}],"versions":["4.0.10-1","4.0.3-1","4.0.5-1~exp1","4.0.6-1","4.0.6-1~deb12u1","4.0.6-1~exp1","4.0.7-1","4.0.8-1"]},{"source":"osv","ecosystem":"Debian:13","package":"wireshark","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.0.8-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"wireshark","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.0.8-1"}]}]},{"source":"osv","ecosystem":"Debian:11","package":"wireshark","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.4.16-0+deb11u1"}]}],"versions":["3.4.10-0+deb11u1","3.4.4-1","3.4.6-1~exp1","3.4.7-1","3.4.7-1~exp1","3.4.8-1","3.4.9-1"],"bundled":47},{"source":"osv","ecosystem":"Debian:12","package":"wireshark","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.0.11-1~deb12u1"}]}],"versions":["4.0.10-1","4.0.3-1","4.0.5-1~exp1","4.0.6-1","4.0.6-1~deb12u1","4.0.6-1~exp1","4.0.7-1","4.0.8-1"],"bundled":9},{"source":"osv","ecosystem":"Mageia:9","package":"wireshark","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.0.8-1.mga9"}]}],"bundled":4},{"source":"osv","ecosystem":"openEuler:20.03-LTS-SP1","package":"wireshark","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.6.14-3.oe1"}]}],"bundled":4},{"source":"osv","ecosystem":"openEuler:20.03-LTS-SP3","package":"wireshark","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.6.14-3.oe1"}]}],"bundled":4},{"source":"osv","ecosystem":"openEuler:22.03-LTS","package":"wireshark","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.6.14-3.oe2203sp2"}]}],"bundled":4},{"source":"osv","ecosystem":"openEuler:22.03-LTS-SP1","package":"wireshark","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.6.14-3.oe2203sp1"}]}],"bundled":4},{"source":"osv","ecosystem":"openEuler:22.03-LTS-SP2","package":"wireshark","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.6.14-3.oe2203sp2"}]}],"bundled":4},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Module for Basesystem 15 SP4","package":"wireshark","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.6.16-150000.3.100.1"}]}],"bundled":4},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Module for Basesystem 15 SP5","package":"wireshark","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.6.16-150000.3.100.1"}]}],"bundled":4},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Module for Desktop Applications 15 SP4","package":"wireshark","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.6.16-150000.3.100.1"}]}],"bundled":4},{"source":"osv","ecosystem":"SUSE:Linux Enterprise Module for Desktop Applications 15 SP5","package":"wireshark","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.6.16-150000.3.100.1"}]}],"bundled":4},{"source":"osv","ecosystem":"SUSE:Manager Proxy 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foundation","product":"wireshark"}],"references":[{"url":"https://takeonme.org/cves/CVE-2023-2906.html","tags":["exploit","third-party-advisory","technical-description","x_transferred","Exploit","Third Party Advisory","evidence","report"]},{"url":"https://gitlab.com/wireshark/wireshark/-/issues/19229","tags":["patch","x_transferred","Exploit","Issue Tracking","Patch","Third Party Advisory","fix","report"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/L4AVRUYSHDNEAJILVSGY5W6MPOMG2YRF/","tags":["x_transferred","web"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6HCUPLDY7HLPO46PHMGIJSUBJFTT237C/","tags":["x_transferred","web"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TRKHFQPWFU7F3OXTL6IEIQSJG6FVXZTZ/","tags":["x_transferred","web"]},{"url":"https://lists.debian.org/debian-lts-announce/2024/09/msg00049.html","tags":["web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-2906","tags":["web","advisory"]},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6HCUPLDY7HLPO46PHMGIJSUBJFTT237C"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/L4AVRUYSHDNEAJILVSGY5W6MPOMG2YRF"},{"url":"https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TRKHFQPWFU7F3OXTL6IEIQSJG6FVXZTZ"},{"url":"https://github.com/advisories/GHSA-hhx4-xmf9-97g5"},{"url":"https://errata.tuxcare.com/els_os/almalinux9.2esu/CLSA-2025-1765984777.html","tags":["advisory"]},{"url":"https://errata.tuxcare.com/els_os/tuxcare9.6esu/CLSA-2026-1777390184.html","tags":["advisory"]},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/2xxx/CVE-2023-2906.json","tags":["advisory"]},{"url":"https://security-tracker.debian.org/tracker/CVE-2023-2906","tags":["advisory"]},{"url":"https://advisories.mageia.org/MGASA-2023-0275.html","tags":["advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=32275","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2023-2906","tags":["advisory","report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2023-4511","tags":["advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2023-4512","tags":["advisory"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2023-4513","tags":["advisory"]},{"url":"https://www.openeuler.org/en/security/safety-bulletin/detail.html?id=openEuler-SA-2023-1652","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-3649","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-4511","tags":["advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-4513","tags":["advisory"]},{"url":"https://www.suse.com/support/update/announcement/2023/suse-su-20233778-1/","tags":["advisory"]},{"url":"https://bugzilla.suse.com/1214560","tags":["report"]},{"url":"https://bugzilla.suse.com/1214561","tags":["report"]},{"url":"https://bugzilla.suse.com/1214562","tags":["report"]},{"url":"https://bugzilla.suse.com/1214652","tags":["report"]},{"url":"https://www.suse.com/security/cve/CVE-2023-2906","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2023-4511","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2023-4512","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2023-4513","tags":["web"]},{"url":"https://ubuntu.com/security/CVE-2023-2906","tags":["report"]},{"url":"https://www.wireshark.org/security/wnpa-sec-2023-26.html","tags":["report"]},{"url":"","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2023-2906","title":"Wireshark CP2179 divide by zero","description":"Due to a failure in validating the length provided by an attacker-crafted CP2179 packet, Wireshark versions 2.0.0 through 4.0.7 is susceptible to a divide by zero allowing for a denial of service attack.","status":"published","published":"2023-08-25T20:41:19.403Z","modified":"2025-11-03T21:47:44.937Z","cwes":["CWE-369"],"updated_at":"2026-11-02T14:35:23.645864Z"}],"euvd":[{"id":"EUVD-2023-34352","description":"Due to a failure in validating the length provided by an attacker-crafted CP2179 packet, Wireshark versions 2.0.0 through 4.0.7 is susceptible to a divide by zero allowing for a denial of service attack.","status":"published","published":"2023-08-25T20:41:19Z","modified":"2025-11-03T21:47:44Z","updated_at":"2026-11-02T19:49:31.25882Z"}],"ghsa":[{"id":"GHSA-hhx4-xmf9-97g5","title":"Due to a failure in validating the length provided by an attacker-crafted CP2179 packet,...","description":"Due to a failure in validating the length provided by an attacker-crafted CP2179 packet, Wireshark versions 2.0.0 through 4.0.7 is susceptible to a divide by zero allowing for a denial of service attack.","status":"published","published":"2023-08-25T21:30:48Z","modified":"2025-11-04T00:30:39Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-369"],"updated_at":"2026-11-02T15:04:25.970519Z"}],"nvd":[{"id":"CVE-2023-2906","description":"Due to a failure in validating the length provided by an attacker-crafted CP2179 packet, Wireshark versions 2.0.0 through 4.0.7 is susceptible to a divide by zero allowing for a denial of service attack.","status":"published","published":"2023-08-25T21:15:07.963Z","modified":"2026-06-17T05:53:45.33Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"}],"cwes":["CWE-369"],"updated_at":"2026-11-02T14:08:25.025396Z"}],"osv":[{"id":"AZL-28486","title":"CVE-2023-2906 affecting package wireshark for versions less than 4.0.8-1","description":"Due to a failure in validating the length provided by an attacker-crafted CP2179 packet, Wireshark versions 2.0.0 through 4.0.7 is susceptible to a divide by zero allowing for a denial of service attack.","status":"published","published":"2023-08-25T21:15:07Z","modified":"2026-04-21T04:25:50.721291Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:28:03.46006Z"},{"id":"AZL-44175","title":"CVE-2023-2906 affecting package wireshark for versions less than 4.4.7-1","description":"Due to a failure in validating the length provided by an attacker-crafted CP2179 packet, Wireshark versions 2.0.0 through 4.0.7 is susceptible to a divide by zero allowing for a denial of service attack.","status":"published","published":"2023-08-25T21:15:07Z","modified":"2026-04-21T04:51:27.00044Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:28:05.284713Z"},{"id":"DEBIAN-CVE-2023-2906","description":"Due to a failure in validating the length provided by an attacker-crafted CP2179 packet, Wireshark versions 2.0.0 through 4.0.7 is susceptible to a divide by zero allowing for a denial of service attack.","status":"published","published":"2023-08-25T21:15:07.963Z","modified":"2026-10-26T18:02:13.19114355Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T15:45:39.679062Z"},{"id":"OESA-2023-1652","title":"wireshark security update","description":"Wireshark is an open source tool for profiling network traffic and analyzing packets. Such a tool is often referred to as a network analyzer, network protocol analyzer or sniffer.\r\n\r\nSecurity Fix(es):\r\n\r\nDue to a failure in validating the length provided by an attacker-crafted CP2179 packet, Wireshark versions 2.0.0 through 4.0.7 is susceptible to a divide by zero allowing for a denial of service attack.\n(CVE-2023-2906)\r\n\r\niSCSI dissector crash in Wireshark 4.0.0 to 4.0.6 allows denial of service via packet injection or crafted capture file(CVE-2023-3649)\r\n\r\nBT SDP dissector infinite loop in Wireshark 4.0.0 to 4.0.7 and 3.6.0 to 3.6.15 allows denial of service via packet injection or crafted capture file(CVE-2023-4511)\r\n\r\nBT SDP dissector memory leak in Wireshark 4.0.0 to 4.0.7 and 3.6.0 to 3.6.15 allows denial of service via packet injection or crafted capture file(CVE-2023-4513)","status":"published","published":"2023-09-15T11:06:06Z","modified":"2026-08-18T01:16:49.042325019Z","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":"2026-11-02T15:52:40.328856Z"},{"id":"UBUNTU-CVE-2023-2906","description":"Due to a failure in validating the length provided by an attacker-crafted CP2179 packet, Wireshark versions 2.0.0 through 4.0.7 is susceptible to a divide by zero allowing for a denial of service attack.","status":"published","published":"2023-08-25T21:15:00Z","modified":"2026-04-22T14:04:48.108498Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T16:54:20.997471Z"},{"id":"CLSA-2025-1765984777","title":"wireshark: Fix of CVE-2023-2906","description":"- CVE-2023-2906: fix for potential crash in cp2179 dissector (packet-cp2179.c)","status":"published","published":"2025-12-17T15:19:40Z","modified":"2026-06-01T00:31:32.625596237Z","updated_at":"2026-11-02T15:43:42.847264Z"},{"id":"CLSA-2026-1777390184","title":"wireshark: Fix of CVE-2023-2906","description":"- CVE-2023-2906: fix divide-by-zero in CP2179 timetag info response\n  dissector","status":"published","published":"2026-04-28T15:29:49Z","modified":"2026-06-01T00:32:48.820575Z","updated_at":"2026-11-02T15:43:44.384419Z"},{"id":"CVE-2023-2906","title":"Wireshark CP2179 divide by zero","description":"Due to a failure in validating the length provided by an attacker-crafted CP2179 packet, Wireshark versions 2.0.0 through 4.0.7 is susceptible to a divide by zero allowing for a denial of service attack.","status":"published","published":"2023-08-25T20:41:19.403Z","modified":"2026-10-28T02:30:59.848574545Z","cwes":["CWE-369"],"updated_at":"2026-11-02T15:44:31.468318Z"},{"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":"DSA-5559-1","title":"wireshark - security update","status":"published","published":"2023-11-19T00:00:00Z","modified":"2026-03-09T02:09:56.354914Z","updated_at":"2026-11-02T15:46:17.892347Z"},{"id":"MGASA-2023-0275","title":"Updated wireshark packages fix security vulnerabilities","description":"The updated wireshark packages fix security vulnerabilities:\n\nDue to a failure in validating the length provided by an\nattacker-crafted CP2179 packet, Wireshark versions 2.0.0 through 4.0.7\nis susceptible to a divide by zero allowing for a denial of service\nattack. (CVE-2023-2906)\n\nBT SDP dissector infinite loop in Wireshark 4.0.0 to 4.0.7 and 3.6.0 to\n3.6.15 allows denial of service via packet injection or crafted capture\nfile. (CVE-2023-4511)\n\nCBOR dissector crash in Wireshark 4.0.0 to 4.0.6 allows denial of\nservice via packet injection or crafted capture file. (CVE-2023-4512)\n\nBT SDP dissector memory leak in Wireshark 4.0.0 to 4.0.7 and 3.6.0 to\n3.6.15 allows denial of service via packet injection or crafted capture\nfile. (CVE-2023-4513)\n","status":"published","published":"2023-09-30T19:15:40Z","modified":"2026-05-30T05:15:06.098254784Z","updated_at":"2026-11-02T15:49:42.263076Z"},{"id":"openSUSE-SU-2024:13184-1","title":"libwireshark16-4.0.8-2.1 on GA media","description":"These are all security issues fixed in the libwireshark16-4.0.8-2.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T02:27:26.093547Z","updated_at":"2026-11-02T16:58:36.025801Z"},{"id":"SUSE-SU-2023:3778-1","title":"Security update for wireshark","description":"This update for wireshark fixes the following issues:\n\n- Wireshark update to v3.6.16.\n- CVE-2023-4512: Fixed a bug in CBOR dissector which could lead to crash. (bsc#1214561)\n- CVE-2023-4511: Fixed a bug in BT SDP dissector which could lead to an infinite loop. (bsc#1214560)\n- CVE-2023-4513: Fixed a bug in BT SDP dissector which could lead to a memory leak. (bsc#1214562)\n- CVE-2023-2906: Fixed a bug in CP2179 dissector which could lead to crash. (bsc#1214652)\n","status":"published","published":"2023-09-26T08:25:28Z","modified":"2026-02-04T02:35:45.058468Z","updated_at":"2026-11-02T15:53:53.440387Z"}]}}