{"id":"USN-8017-1","summary":"glib2.0 vulnerabilities","details":"It was discovered that GLib incorrectly parsed large Base64 data. An\nattacker could use this issue to cause GLib to crash, resulting in a\ndenial of service, or possibly execute arbitrary code. (CVE-2026-1484)\n\nIt was discovered that GLib incorrectly parsed certain treemagic files.\nAn attacker could use this issue to cause GLib to crash, resulting in a\ndenial of service, or possibly execute arbitrary code. (CVE-2026-1485)\n\nIt was discovered that GLib incorrectly handled Unicode case conversion.\nAn attacker could use this issue to cause GLib to crash, resulting in a\ndenial of service, or possibly execute arbitrary code. (CVE-2026-1489)","modified":"2026-04-27T18:36:07.161786Z","published":"2026-02-05T13:12:58Z","related":["UBUNTU-CVE-2026-1484","UBUNTU-CVE-2026-1485","UBUNTU-CVE-2026-1489"],"upstream":["CVE-2026-1484","CVE-2026-1485","CVE-2026-1489","UBUNTU-CVE-2026-1484","UBUNTU-CVE-2026-1485","UBUNTU-CVE-2026-1489"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-8017-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-1484"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-1485"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2026-1489"}],"affected":[{"package":{"name":"glib2.0","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/glib2.0@2.72.4-0ubuntu2.9?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.72.4-0ubuntu2.9"}]}],"versions":["2.68.4-1ubuntu1","2.70.1-1","2.70.2-1","2.71.0-2","2.71.1-1","2.71.2-1","2.71.3-1","2.72.0-1","2.72.1-1","2.72.4-0ubuntu1","2.72.4-0ubuntu2","2.72.4-0ubuntu2.2","2.72.4-0ubuntu2.3","2.72.4-0ubuntu2.4","2.72.4-0ubuntu2.5","2.72.4-0ubuntu2.6","2.72.4-0ubuntu2.7","2.72.4-0ubuntu2.8"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"libglib2.0-0","binary_version":"2.72.4-0ubuntu2.9"},{"binary_version":"2.72.4-0ubuntu2.9","binary_name":"libglib2.0-bin"},{"binary_name":"libglib2.0-data","binary_version":"2.72.4-0ubuntu2.9"},{"binary_version":"2.72.4-0ubuntu2.9","binary_name":"libglib2.0-dev-bin"},{"binary_name":"libglib2.0-tests","binary_version":"2.72.4-0ubuntu2.9"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8017-1.json","cves_map":{"cves":[{"id":"CVE-2026-1484","severity":[{"score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:L","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2026-1485","severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"id":"CVE-2026-1489","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:22.04:LTS"}}},{"package":{"name":"glib2.0","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/glib2.0@2.80.0-6ubuntu3.8?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.80.0-6ubuntu3.8"}]}],"versions":["2.78.0-2","2.78.1-4","2.78.3-1","2.78.3-2","2.79.1-1","2.79.2-1~ubuntu1","2.79.3-3ubuntu5","2.80.0-6ubuntu1","2.80.0-6ubuntu3","2.80.0-6ubuntu3.1","2.80.0-6ubuntu3.2","2.80.0-6ubuntu3.4","2.80.0-6ubuntu3.5","2.80.0-6ubuntu3.6","2.80.0-6ubuntu3.7"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"gir1.2-girepository-3.0","binary_version":"2.80.0-6ubuntu3.8"},{"binary_name":"gir1.2-glib-2.0","binary_version":"2.80.0-6ubuntu3.8"},{"binary_name":"libgirepository-2.0-0","binary_version":"2.80.0-6ubuntu3.8"},{"binary_name":"libglib2.0-0t64","binary_version":"2.80.0-6ubuntu3.8"},{"binary_name":"libglib2.0-bin","binary_version":"2.80.0-6ubuntu3.8"},{"binary_name":"libglib2.0-data","binary_version":"2.80.0-6ubuntu3.8"},{"binary_name":"libglib2.0-dev-bin","binary_version":"2.80.0-6ubuntu3.8"},{"binary_name":"libglib2.0-tests","binary_version":"2.80.0-6ubuntu3.8"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:24.04:LTS","cves":[{"id":"CVE-2026-1484","severity":[{"score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:L","type":"CVSS_V3"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2026-1485","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L"},{"type":"Ubuntu","score":"medium"}]},{"id":"CVE-2026-1489","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8017-1.json"}},{"package":{"name":"glib2.0","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/glib2.0@2.86.0-2ubuntu0.3?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.86.0-2ubuntu0.3"}]}],"versions":["2.84.1-1","2.84.1-2","2.84.2-1","2.84.3-1","2.85.1-2","2.85.2-2","2.85.3-1","2.86.0-2","2.86.0-2ubuntu0.1","2.86.0-2ubuntu0.2"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"gir1.2-girepository-3.0","binary_version":"2.86.0-2ubuntu0.3"},{"binary_name":"gir1.2-glib-2.0","binary_version":"2.86.0-2ubuntu0.3"},{"binary_name":"girepository-tools","binary_version":"2.86.0-2ubuntu0.3"},{"binary_name":"libgio-2.0-dev-bin","binary_version":"2.86.0-2ubuntu0.3"},{"binary_name":"libgirepository-2.0-0","binary_version":"2.86.0-2ubuntu0.3"},{"binary_version":"2.86.0-2ubuntu0.3","binary_name":"libglib2.0-0t64"},{"binary_name":"libglib2.0-bin","binary_version":"2.86.0-2ubuntu0.3"},{"binary_version":"2.86.0-2ubuntu0.3","binary_name":"libglib2.0-data"},{"binary_name":"libglib2.0-dev-bin","binary_version":"2.86.0-2ubuntu0.3"},{"binary_version":"2.86.0-2ubuntu0.3","binary_name":"libglib2.0-tests"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-8017-1.json","cves_map":{"cves":[{"id":"CVE-2026-1484","severity":[{"score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:L","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]},{"severity":[{"score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:N/I:N/A:L","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}],"id":"CVE-2026-1485"},{"id":"CVE-2026-1489","severity":[{"score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:L","type":"CVSS_V3"},{"score":"medium","type":"Ubuntu"}]}],"ecosystem":"Ubuntu:25.10"}}}],"schema_version":"1.7.5"}