{"id":"DEBIAN-CVE-2024-56522","details":"An issue was discovered in TCPDF before 6.8.0. unserializeTCPDFtag uses != (aka loose comparison) and does not use a constant-time function to compare TCPDF tag hashes.","modified":"2026-09-15T09:03:15.735950665Z","published":"2024-12-27T05:15:08.130Z","upstream":["CVE-2024-56522"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2024-56522"}],"affected":[{"package":{"name":"tcpdf","ecosystem":"Debian:12","purl":"pkg:deb/debian/tcpdf?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.6.2+dfsg1-1+deb12u1"}]}],"versions":["6.6.2+dfsg1-1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2024-56522.json"}},{"package":{"name":"tcpdf","ecosystem":"Debian:13","purl":"pkg:deb/debian/tcpdf?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.8.0+dfsg-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2024-56522.json"}},{"package":{"name":"tcpdf","ecosystem":"Debian:14","purl":"pkg:deb/debian/tcpdf?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.8.0+dfsg-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2024-56522.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:H/I:N/A:N"}]}