{"id":"UBUNTU-CVE-2021-41055","details":"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.","modified":"2025-10-24T04:50:34Z","published":"2021-10-11T03:15:00Z","upstream":["CVE-2021-41055"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-41055"},{"type":"REPORT","url":"https://dev.gajim.org/gajim/gajim/-/issues/10638"},{"type":"REPORT","url":"https://dev.gajim.org/gajim/python-nbxmpp/-/commit/8a626829d7c4b14077f764e61b1d1e867d21413f"},{"type":"REPORT","url":"https://dev.gajim.org/gajim/gajim/-/tags/gajim-1.3.3"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2021-41055"}],"affected":[{"package":{"name":"python-nbxmpp","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/python-nbxmpp@0.5.3-1?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.5.1-2","0.5.3-1"],"ecosystem_specific":{"binaries":[{"binary_version":"0.5.3-1","binary_name":"python-nbxmpp"},{"binary_name":"python3-nbxmpp","binary_version":"0.5.3-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-41055.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}