{"id":"DEBIAN-CVE-2023-25193","details":"hb-ot-layout-gsubgpos.hh in HarfBuzz through 6.0.0 allows attackers to trigger O(n^2) growth via consecutive marks during the process of looking back for base glyphs when attaching marks.","modified":"2026-09-15T09:02:41.681524287Z","published":"2023-02-04T20:15:08.027Z","upstream":["CVE-2023-25193"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2023-25193"}],"affected":[{"package":{"name":"harfbuzz","ecosystem":"Debian:12","purl":"pkg:deb/debian/harfbuzz?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["10.0.1-1","10.1.0-1","10.1.0-2","10.2.0-1","10.2.0-2","11.4.5-1","11.5.0-1","12.1.0-1","12.2.0-1","12.3.0-1","12.3.0-2","12.3.0-3","12.3.0-4","12.3.1-1","12.3.2-1","12.3.2-2","6.0.0+dfsg-3","8.0.0-1","8.0.0-2","8.0.0-3","8.0.1-1","8.3.0-1","8.3.0-2","9.0.0-1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2023-25193.json"}},{"package":{"name":"harfbuzz","ecosystem":"Debian:13","purl":"pkg:deb/debian/harfbuzz?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.0.0-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2023-25193.json"}},{"package":{"name":"harfbuzz","ecosystem":"Debian:14","purl":"pkg:deb/debian/harfbuzz?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.0.0-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2023-25193.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}