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When these patches were backported to the heimdal-7.7.1 and heimdal-7.8.0 branches (and possibly other branches) a logic inversion sneaked in causing the validation of message integrity codes in gssapi/arcfour to be inverted.","status":"published","published":"2023-03-06T00:00:00Z","modified":"2026-10-28T02:30:21.511921641Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","level":"high"}],"cwes":["CWE-354"],"updated_at":"2026-11-02T15:44:27.481647Z"},{"id":"UBUNTU-CVE-2022-45142","description":"The fix for CVE-2022-3437 included changing memcmp to be constant time and a workaround for a compiler bug by adding \"!= 0\" comparisons to the result of memcmp. When these patches were backported to the heimdal-7.7.1 and heimdal-7.8.0 branches (and possibly other branches) a logic inversion sneaked in causing the validation of message integrity codes in gssapi/arcfour to be inverted.","status":"published","published":"2023-02-08T00:00:00Z","modified":"2026-10-17T12:56:03.514448176Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N","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:H/A:N","level":"high"}],"updated_at":"2026-11-02T16:53:56.473586Z"},{"id":"DEBIAN-CVE-2022-45142","description":"The fix for CVE-2022-3437 included changing memcmp to be constant time and a workaround for a compiler bug by adding \"!= 0\" comparisons to the result of memcmp. When these patches were backported to the heimdal-7.7.1 and heimdal-7.8.0 branches (and possibly other branches) a logic inversion sneaked in causing the validation of message integrity codes in gssapi/arcfour to be inverted.","status":"published","published":"2023-03-06T23:15:11.233Z","modified":"2026-11-03T06:03:12.582994329Z","updated_at":"2026-11-03T06:42:33.899035Z"},{"id":"DLA-3311-1","title":"heimdal - security update","status":"published","published":"2023-02-08T00:00:00Z","modified":"2026-03-09T01:20:55.843464Z","updated_at":"2026-11-02T15:46:11.734021Z"},{"id":"DSA-5344-1","title":"heimdal - security update","status":"published","published":"2023-02-08T00:00:00Z","modified":"2026-03-09T02:09:43.745539Z","updated_at":"2026-11-02T15:46:17.543497Z"},{"id":"MGASA-2023-0098","title":"Updated heimdal packages fix security vulnerability","description":"The fix for CVE-2022-3437 included changing memcmp to be constant time and\na workaround for a compiler bug by adding \"!= 0\" comparisons to the result\nof memcmp. When these patches were backported a logic inversion sneaked in\ncausing the validation of message integrity codes in gssapi/arcfour to be\ninverted. (CVE-2022-45142)\n","status":"published","published":"2023-03-18T22:16:28Z","modified":"2026-04-16T04:42:25.955205513Z","updated_at":"2026-11-02T15:49:42.263076Z"},{"id":"openSUSE-SU-2024:12846-1","title":"libasn1-8-7.8.0-3.1 on GA media","description":"These are all security issues fixed in the libasn1-8-7.8.0-3.1 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T03:04:20.449216Z","updated_at":"2026-11-02T16:58:36.025801Z"},{"id":"USN-5849-1","title":"heimdal vulnerabilities","description":"Helmut Grohne discovered that Heimdal GSSAPI incorrectly handled logical\nconditions that are related to memory management operations.\nAn attacker could possibly use this issue to cause a denial of service.\n","status":"published","published":"2023-02-08T13:11:59Z","modified":"2026-06-29T13:50:46.903852612Z","updated_at":"2026-11-02T16:58:16.738762Z"}]}}