{"id":"USN-8752-1","summary":"konsole vulnerability","details":"It was discovered that Konsole incorrectly handled certain URLs under\nspecific circumstances. A remote attacker could possibly use this issue to\nexecute arbitrary code.","modified":"2026-09-14T22:12:13.755484455Z","published":"2026-09-14T11:52:42Z","related":["UBUNTU-CVE-2025-49091"],"upstream":["CVE-2025-49091","UBUNTU-CVE-2025-49091"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8752-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2025-49091"}],"affected":[{"package":{"name":"konsole","ecosystem":"Ubuntu:Pro:16.04:LTS","purl":"pkg:deb/ubuntu/konsole?arch=source&distro=esm-apps-legacy%2Fxenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4:15.12.3-0ubuntu1+esm1"}]}],"versions":["4:15.08.2-0ubuntu2","4:15.12.1-1ubuntu1","4:15.12.3-0ubuntu1"],"ecosystem_specific":{"binaries":[{"binary_version":"4:15.12.3-0ubuntu1+esm1","binary_name":"konsole"},{"binary_name":"konsole-kpart","binary_version":"4:15.12.3-0ubuntu1+esm1"}],"availability":"Available with Ubuntu Pro with Legacy support add-on: https://ubuntu.com/pro"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8752-1.json","cves_map":{"cves":[{"id":"CVE-2025-49091","severity":[{"score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:L","type":"CVSS_V3"},{"type":"Ubuntu","score":"medium"}]}],"ecosystem":"Ubuntu:Pro:16.04:LTS"}}},{"package":{"name":"konsole","ecosystem":"Ubuntu:Pro:18.04:LTS","purl":"pkg:deb/ubuntu/konsole?arch=source&distro=esm-apps%2Fbionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4:17.12.3-1ubuntu1+esm1"}]}],"versions":["4:17.04.3-0ubuntu1","4:17.08.3-0ubuntu1","4:17.12.2-0ubuntu1","4:17.12.3-0ubuntu1","4:17.12.3-1ubuntu1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_version":"4:17.12.3-1ubuntu1+esm1","binary_name":"konsole"},{"binary_name":"konsole-kpart","binary_version":"4:17.12.3-1ubuntu1+esm1"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:Pro:18.04:LTS","cves":[{"severity":[{"score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:L","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2025-49091"}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8752-1.json"}},{"package":{"name":"konsole","ecosystem":"Ubuntu:Pro:20.04:LTS","purl":"pkg:deb/ubuntu/konsole?arch=source&distro=esm-apps%2Ffocal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4:19.12.3-0ubuntu1+esm1"}]}],"versions":["4:19.04.3-0ubuntu1","4:19.08.2-0ubuntu1","4:19.08.3-0ubuntu1","4:19.12.0-0ubuntu1","4:19.12.1-0ubuntu1","4:19.12.2-0ubuntu1","4:19.12.3-0ubuntu1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_name":"konsole","binary_version":"4:19.12.3-0ubuntu1+esm1"},{"binary_name":"konsole-kpart","binary_version":"4:19.12.3-0ubuntu1+esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8752-1.json","cves_map":{"cves":[{"id":"CVE-2025-49091","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:L"},{"type":"Ubuntu","score":"medium"}]}],"ecosystem":"Ubuntu:Pro:20.04:LTS"}}},{"package":{"name":"konsole","ecosystem":"Ubuntu:Pro:22.04:LTS","purl":"pkg:deb/ubuntu/konsole?arch=source&distro=esm-apps%2Fjammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4:21.12.3-0ubuntu1+esm1"}]}],"versions":["4:21.08.1-1ubuntu1","4:21.08.2-1","4:21.08.3-0ubuntu1","4:21.11.80-0ubuntu1","4:21.11.90-0ubuntu2","4:21.12.0-0ubuntu1","4:21.12.0-0ubuntu2","4:21.12.1-0ubuntu1","4:21.12.2-0ubuntu1","4:21.12.3-0ubuntu1"],"ecosystem_specific":{"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro","binaries":[{"binary_name":"konsole","binary_version":"4:21.12.3-0ubuntu1+esm1"},{"binary_name":"konsole-kpart","binary_version":"4:21.12.3-0ubuntu1+esm1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8752-1.json","cves_map":{"ecosystem":"Ubuntu:Pro:22.04:LTS","cves":[{"id":"CVE-2025-49091","severity":[{"score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:L","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}]}}},{"package":{"name":"konsole","ecosystem":"Ubuntu:Pro:24.04:LTS","purl":"pkg:deb/ubuntu/konsole?arch=source&distro=esm-apps%2Fnoble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4:23.08.5-0ubuntu4+esm1"}]}],"versions":["4:23.08.1-0ubuntu1","4:23.08.2-0ubuntu1","4:23.08.3-0ubuntu1","4:23.08.4-0ubuntu1","4:23.08.4-0ubuntu2","4:23.08.5-0ubuntu1","4:23.08.5-0ubuntu2","4:23.08.5-0ubuntu3","4:23.08.5-0ubuntu4"],"ecosystem_specific":{"binaries":[{"binary_version":"4:23.08.5-0ubuntu4+esm1","binary_name":"konsole"},{"binary_name":"konsole-kpart","binary_version":"4:23.08.5-0ubuntu4+esm1"}],"availability":"Available with Ubuntu Pro: https://ubuntu.com/pro"},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:Pro:24.04:LTS","cves":[{"id":"CVE-2025-49091","severity":[{"score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:L","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8752-1.json"}}],"schema_version":"1.9.0"}