{"id":"CVE-2021-41055","aliases":["DEBIAN-CVE-2021-41055","DSA-5064-1","EUVD-2021-28206","GHSA-r23x-224g-484r","MGASA-2022-0179","UBUNTU-CVE-2021-41055","openSUSE-SU-2024:11734-1"],"status":"published","title":"Gajim 1.2.x and 1.3.x before 1.3.3 allows remote attackers to cause a denial of service (crash)...","description":"Gajim 1.2.x and 1.3.x before 1.3.3 allows remote attackers to cause a denial of service (crash) via a crafted XMPP Last Message Correction (XEP-0308) message in multi-user chat, where the message ID equals the correction ID.","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":"2026-11-12","score":0.01568,"percentile":0.75693,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"published":"2021-10-11T02:40:43Z","modified":"2026-10-23T18:03:28Z","fixes":[{"ecosystem":"Debian:12","package":"python-nbxmpp","fixed_in":["2.0.4-1"],"sources":["osv"]},{"ecosystem":"Debian:13","package":"python-nbxmpp","fixed_in":["2.0.4-1"],"sources":["osv"]},{"ecosystem":"Debian:14","package":"python-nbxmpp","fixed_in":["2.0.4-1"],"sources":["osv"]},{"ecosystem":"Debian:11","package":"python-nbxmpp","fixed_in":["2.0.2-1+deb11u1"],"sources":["osv"]},{"ecosystem":"Mageia:8","package":"python-nbxmpp","fixed_in":["2.0.4-1.mga8"],"sources":["osv"]},{"ecosystem":"openSUSE:Tumbleweed","package":"gajim","fixed_in":["1.3.3-1.1"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Debian:12","package":"python-nbxmpp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.4-1"}]}]},{"source":"osv","ecosystem":"Debian:13","package":"python-nbxmpp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.4-1"}]}]},{"source":"osv","ecosystem":"Debian:14","package":"python-nbxmpp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.4-1"}]}]},{"source":"osv","ecosystem":"Debian:11","package":"python-nbxmpp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.2-1+deb11u1"}]}],"versions":["2.0.2-1"]},{"source":"osv","ecosystem":"Mageia:8","package":"python-nbxmpp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.0.4-1.mga8"}]}]},{"source":"osv","ecosystem":"Ubuntu:16.04:LTS","package":"python-nbxmpp","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.5.1-2","0.5.3-1"]},{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"gajim","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.3.3-1.1"}]}]}],"products":[{"vendor":"gajim","product":"gajim"}],"references":[{"url":"https://dev.gajim.org/gajim/gajim/-/issues/10638","tags":["x_refsource_MISC","x_transferred","Exploit","Issue Tracking","Vendor Advisory","report"]},{"url":"https://dev.gajim.org/gajim/gajim/-/tags/gajim-1.3.3","tags":["x_refsource_MISC","x_transferred","Vendor Advisory","advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-41055"},{"url":"https://github.com/advisories/GHSA-r23x-224g-484r"},{"url":"https://security-tracker.debian.org/tracker/CVE-2021-41055","tags":["advisory"]},{"url":"https://advisories.mageia.org/MGASA-2022-0179.html","tags":["advisory"]},{"url":"https://bugs.mageia.org/show_bug.cgi?id=29989","tags":["report"]},{"url":"https://www.debian.org/security/2022/dsa-5064","tags":["web"]},{"url":"https://ubuntu.com/security/CVE-2021-41055","tags":["report"]},{"url":"https://dev.gajim.org/gajim/python-nbxmpp/-/commit/8a626829d7c4b14077f764e61b1d1e867d21413f","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-41055","tags":["report"]},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2021-41055","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2021-41055","description":"Gajim 1.2.x and 1.3.x before 1.3.3 allows remote attackers to cause a denial of service (crash) via a crafted XMPP Last Message Correction (XEP-0308) message in multi-user chat, where the message ID equals the correction ID.","status":"published","published":"2021-10-11T02:40:43Z","modified":"2024-08-04T02:59:31.361Z","updated_at":"2026-11-02T14:32:59.105382Z"}],"euvd":[{"id":"EUVD-2021-28206","description":"Gajim 1.2.x and 1.3.x before 1.3.3 allows remote attackers to cause a denial of service (crash) via a crafted XMPP Last Message Correction (XEP-0308) message in multi-user chat, where the message ID equals the correction ID.","status":"published","published":"2021-10-11T02:40:43Z","modified":"2024-08-04T02:59:31Z","updated_at":"2026-11-03T03:24:18.784846Z"}],"ghsa":[{"id":"GHSA-r23x-224g-484r","title":"Gajim 1.2.x and 1.3.x before 1.3.3 allows remote attackers to cause a denial of service (crash)...","description":"Gajim 1.2.x and 1.3.x before 1.3.3 allows remote attackers to cause a denial of service (crash) via a crafted XMPP Last Message Correction (XEP-0308) message in multi-user chat, where the message ID equals the correction ID.","status":"published","published":"2022-05-24T19:17:15Z","modified":"2023-01-30T05:02:45Z","updated_at":"2026-11-02T14:46:42.642348Z"}],"nvd":[{"id":"CVE-2021-41055","description":"Gajim 1.2.x and 1.3.x before 1.3.3 allows remote attackers to cause a denial of service (crash) via a crafted XMPP Last Message Correction (XEP-0308) message in multi-user chat, where the message ID equals the correction ID.","status":"published","published":"2021-10-11T03:15:06.707Z","modified":"2026-06-17T04:07:48.14Z","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"}],"updated_at":"2026-11-02T14:06:59.689345Z"}],"osv":[{"id":"CVE-2021-41055","description":"Gajim 1.2.x and 1.3.x before 1.3.3 allows remote attackers to cause a denial of service (crash) via a crafted XMPP Last Message Correction (XEP-0308) message in multi-user chat, where the message ID equals the correction ID.","status":"published","published":"2021-10-11T03:15:06.707Z","modified":"2026-04-16T04:35:23.369805035Z","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":"2026-11-02T15:44:21.249056Z"},{"id":"DEBIAN-CVE-2021-41055","description":"Gajim 1.2.x and 1.3.x before 1.3.3 allows remote attackers to cause a denial of service (crash) via a crafted XMPP Last Message Correction (XEP-0308) message in multi-user chat, where the message ID equals the correction ID.","status":"published","published":"2021-10-11T03:15:06.707Z","modified":"2026-10-23T18:03:28.320918067Z","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":"2026-11-02T15:45:35.521549Z"},{"id":"UBUNTU-CVE-2021-41055","description":"Gajim 1.2.x and 1.3.x before 1.3.3 allows remote attackers to cause a denial of service (crash) via a crafted XMPP Last Message Correction (XEP-0308) message in multi-user chat, where the message ID equals the correction ID.","status":"published","published":"2021-10-11T03:15:00Z","modified":"2025-10-24T04:50:34Z","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":"2026-11-02T15:54:29.220315Z"},{"id":"DSA-5064-1","title":"python-nbxmpp - security update","status":"published","published":"2022-01-29T00:00:00Z","modified":"2026-03-09T02:11:22.675023Z","updated_at":"2026-11-02T15:46:17.543497Z"},{"id":"MGASA-2022-0179","title":"Updated python-nbxmpp packages fix security vulnerability","description":"Missing input sanitising in python-nbxmpp, a Jabber/XMPP Python library,\ncould result in denial of service in clients based on it (such as Gajim).\n","status":"published","published":"2022-05-15T10:06:40Z","modified":"2026-04-16T04:42:09.095484822Z","updated_at":"2026-11-02T15:49:41.849028Z"},{"id":"openSUSE-SU-2024:11734-1","title":"gajim-1.3.3-1.1 on GA media","description":"These are all security issues fixed in the gajim-1.3.3-1.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T02:56:07.799163Z","updated_at":"2026-11-02T16:58:35.195147Z"}]}}