{"id":"CVE-2020-12267","aliases":["EUVD-2020-4580","GHSA-96rj-cc48-wqpc","openSUSE-SU-2024:10975-1"],"status":"published","title":"setMarkdown in Qt before 5.14.2 has a use-after-free related to QTextMarkdownImporter::insertBlock.","description":"setMarkdown in Qt before 5.14.2 has a use-after-free related to QTextMarkdownImporter::insertBlock.","severity":{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.02408,"percentile":0.84223,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-416"],"published":"2020-04-27T01:31:42Z","modified":"2026-10-24T10:30:21Z","affected":[{"source":"osv","ecosystem":"openSUSE:Tumbleweed","package":"libqt5-qtbase","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.15.2+kde222-1.3"}]}],"bundled":3}],"products":[{"vendor":"qt","product":"qt"}],"references":[{"url":"https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=20450","tags":["x_refsource_MISC","x_transferred","Exploit","Issue Tracking","Third Party Advisory","report"]},{"url":"https://codereview.qt-project.org/c/qt/qtbase/+/291706","tags":["x_refsource_CONFIRM","x_transferred","Patch","Third Party Advisory","fix"]},{"url":"https://security.gentoo.org/glsa/202007-38","tags":["vendor-advisory","x_refsource_GENTOO","x_transferred","Third Party Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-12267"},{"url":"https://github.com/advisories/GHSA-96rj-cc48-wqpc"},{"url":"","tags":["advisory"]},{"url":"https://www.suse.com/security/cve/CVE-2020-0570","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-12267","tags":["web"]},{"url":"https://www.suse.com/security/cve/CVE-2020-17507","tags":["web"]}],"sources":{"cve":[{"id":"CVE-2020-12267","description":"setMarkdown in Qt before 5.14.2 has a use-after-free related to QTextMarkdownImporter::insertBlock.","status":"published","published":"2020-04-27T01:31:42Z","modified":"2024-08-04T11:48:58.414Z","updated_at":"2026-11-02T14:35:53.236501Z"}],"euvd":[{"id":"EUVD-2020-4580","description":"setMarkdown in Qt before 5.14.2 has a use-after-free related to QTextMarkdownImporter::insertBlock.","status":"published","published":"2020-04-27T01:31:42Z","modified":"2024-08-04T11:48:58Z","updated_at":"2026-11-03T03:07:40.81889Z"}],"ghsa":[{"id":"GHSA-96rj-cc48-wqpc","title":"setMarkdown in Qt before 5.14.2 has a use-after-free related to QTextMarkdownImporter::insertBlock.","description":"setMarkdown in Qt before 5.14.2 has a use-after-free related to QTextMarkdownImporter::insertBlock.","status":"published","published":"2022-05-24T17:16:35Z","modified":"2023-02-04T05:06:28Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:53:58.500745Z"}],"nvd":[{"id":"CVE-2020-12267","description":"setMarkdown in Qt before 5.14.2 has a use-after-free related to QTextMarkdownImporter::insertBlock.","status":"published","published":"2020-04-27T02:15:12.443Z","modified":"2026-06-17T02:51:32.197Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical","assessor":"primary"},{"version":"2.0","score":7.5,"vector":"AV:N/AC:L/Au:N/C:P/I:P/A:P","level":"high","assessor":"primary"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:05:59.718774Z"}],"osv":[{"id":"CVE-2020-12267","description":"setMarkdown in Qt before 5.14.2 has a use-after-free related to QTextMarkdownImporter::insertBlock.","status":"published","published":"2020-04-27T02:15:12.443Z","modified":"2026-10-24T10:30:21.539989382Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"updated_at":"2026-11-02T15:44:14.034736Z"},{"id":"openSUSE-SU-2024:10975-1","title":"libQt5Bootstrap-devel-static-32bit-5.15.2+kde222-1.3 on GA media","description":"These are all security issues fixed in the libQt5Bootstrap-devel-static-32bit-5.15.2+kde222-1.3 package on the GA media of openSUSE Tumbleweed.","status":"published","published":"2024-06-15T00:00:00Z","modified":"2026-02-04T02:32:52.799327Z","updated_at":"2026-11-02T16:58:34.894275Z"}]}}