{"id":"USN-7251-1","summary":"harfbuzz vulnerability","details":"It was discovered that HarfBuzz incorrectly handled shaping certain fonts.\nA remote attacker could possibly use this issue to cause HarfBuzz to\nconsume resources, leading to a denial of service.\n","modified":"2026-04-27T17:42:39.062015Z","published":"2025-02-03T13:11:39Z","related":["UBUNTU-CVE-2023-25193"],"upstream":["CVE-2023-25193","UBUNTU-CVE-2023-25193"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-7251-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-25193"}],"affected":[{"package":{"name":"harfbuzz","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/harfbuzz@2.6.4-1ubuntu4.3?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.6.4-1ubuntu4.3"}]}],"versions":["2.6.1-3","2.6.2-1","2.6.4-1","2.6.4-1ubuntu1","2.6.4-1ubuntu2","2.6.4-1ubuntu3","2.6.4-1ubuntu4","2.6.4-1ubuntu4.2"],"ecosystem_specific":{"binaries":[{"binary_version":"2.6.4-1ubuntu4.3","binary_name":"gir1.2-harfbuzz-0.0"},{"binary_version":"2.6.4-1ubuntu4.3","binary_name":"libharfbuzz-bin"},{"binary_version":"2.6.4-1ubuntu4.3","binary_name":"libharfbuzz-gobject0"},{"binary_version":"2.6.4-1ubuntu4.3","binary_name":"libharfbuzz-icu0"},{"binary_version":"2.6.4-1ubuntu4.3","binary_name":"libharfbuzz0b"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7251-1.json","cves_map":{"ecosystem":"Ubuntu:20.04:LTS","cves":[{"id":"CVE-2023-25193","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":"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":"low"}]}]}}},{"package":{"name":"harfbuzz","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/harfbuzz@2.7.4-1ubuntu3.2?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.7.4-1ubuntu3.2"}]}],"versions":["2.7.4-1ubuntu1","2.7.4-1ubuntu2","2.7.4-1ubuntu3","2.7.4-1ubuntu3.1"],"ecosystem_specific":{"binaries":[{"binary_version":"2.7.4-1ubuntu3.2","binary_name":"gir1.2-harfbuzz-0.0"},{"binary_version":"2.7.4-1ubuntu3.2","binary_name":"libharfbuzz-bin"},{"binary_version":"2.7.4-1ubuntu3.2","binary_name":"libharfbuzz-gobject0"},{"binary_version":"2.7.4-1ubuntu3.2","binary_name":"libharfbuzz-icu0"},{"binary_version":"2.7.4-1ubuntu3.2","binary_name":"libharfbuzz0b"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-7251-1.json","cves_map":{"ecosystem":"Ubuntu:22.04:LTS","cves":[{"id":"CVE-2023-25193","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":"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":"low"}]}]}}}],"schema_version":"1.7.5"}