{"id":"DEBIAN-CVE-2026-53511","details":"calibre is an e-book manager. Prior to 9.10.0, a malicious EPUB, OPF, or PDF file can execute arbitrary Python code when its metadata is read by calibre, including through Add books or Edit books, by embedding a custom column definition with a python: template in calibre:user_metadata that is passed unsanitized to exec() in the template formatter. This issue is fixed in version 9.10.0.","modified":"2026-09-14T17:03:43.597697369Z","published":"2026-07-07T21:17:26.380Z","upstream":["CVE-2026-53511"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2026-53511"}],"affected":[{"package":{"name":"calibre","ecosystem":"Debian:12","purl":"pkg:deb/debian/calibre?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.13.0+repack-2+deb12u10"}]}],"versions":["6.13.0+repack-2","6.13.0+repack-2+deb12u1","6.13.0+repack-2+deb12u2","6.13.0+repack-2+deb12u3","6.13.0+repack-2+deb12u4","6.13.0+repack-2+deb12u5","6.13.0+repack-2+deb12u6","6.13.0+repack-2+deb12u7","6.13.0+repack-2+deb12u8","6.13.0+repack-2+deb12u9"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-53511.json"}},{"package":{"name":"calibre","ecosystem":"Debian:13","purl":"pkg:deb/debian/calibre?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["8.10.0+ds-1","8.10.0+ds-2","8.10.0+ds-3","8.11.0+ds+~0.10.5-1","8.11.1+ds+~0.10.5-1","8.11.1+ds+~0.10.5-2","8.11.1+ds+~0.10.5-3","8.12.0+ds+~0.10.5-1","8.13.0+ds+~0.10.5-1","8.13.0+ds+~0.10.5-2","8.13.0+ds+~0.10.5-3","8.14.0+ds+~0.10.5-1","8.14.0+ds+~0.10.5-1~bpo13+1","8.15.0+ds+~0.10.5-1","8.15.0+ds+~0.10.5-1~bpo13+1","8.15.0+ds+~0.10.5-2","8.16.0+ds+~0.10.5-1","8.16.0+ds+~0.10.5-2","8.16.1+ds+~0.10.5-1","8.16.2+ds+~0.10.5-1","8.16.2+ds+~0.10.5-2","8.16.2+ds+~0.10.5-3","8.16.2+ds+~0.10.5-3~bpo13+1","8.5.0+ds-1","8.5.0+ds-1+deb13u1","8.5.0+ds-1+deb13u2","8.5.0+ds-1+deb13u3","8.6.0+ds-1","8.7.0+ds-1","8.8.0+ds-1","8.8.0+ds-2","8.8.0+ds-2+gcc15","8.8.0+ds-3","8.9.0+ds-1","8.9.0+ds-2","8.9.0+ds-3","8.9.0+ds-4","9.0.0+ds+~0.10.5-1","9.1.0+ds+~0.10.5-1","9.10.0+ds+~0.10.6-1","9.10.0+ds+~0.10.6-2","9.11.0+ds+~0.10.6-1","9.11.0+ds+~0.10.6-2","9.12.0+ds+~0.10.6-1","9.13.0+ds+~0.10.6-1","9.14.0+ds+~0.10.6-1","9.14.0+ds+~0.10.6-2","9.2.0+ds+~0.10.5-1","9.2.1+ds+~0.10.5-1","9.2.1+ds+~0.10.5-2","9.3.0+ds+~0.10.5-1","9.3.1+ds+~0.10.5-1","9.4.0+ds+~0.10.5-1","9.5.0+ds+~0.10.5-1","9.6.0+ds+~0.10.5-1","9.6.0+ds+~0.10.5-2","9.6.0+ds+~0.10.5-3","9.6.0+ds+~0.10.5-4","9.6.0+ds+~0.10.5-5","9.6.0+ds+~0.10.5-6","9.7.0+ds+~0.10.5-1","9.7.0+ds+~0.10.5-2","9.8.0+ds+~0.10.5-1","9.8.0+ds+~0.10.5-2","9.8.0+ds+~0.10.5-3","9.8.0+ds+~0.10.5-4","9.8.0+ds+~0.10.5-5","9.8.0+ds+~0.10.6-1","9.8.0+ds+~0.10.6-2","9.9.0+ds+~0.10.6-1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-53511.json"}},{"package":{"name":"calibre","ecosystem":"Debian:14","purl":"pkg:deb/debian/calibre?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"9.10.0+ds+~0.10.6-1"}]}],"versions":["8.10.0+ds-1","8.10.0+ds-2","8.10.0+ds-3","8.11.0+ds+~0.10.5-1","8.11.1+ds+~0.10.5-1","8.11.1+ds+~0.10.5-2","8.11.1+ds+~0.10.5-3","8.12.0+ds+~0.10.5-1","8.13.0+ds+~0.10.5-1","8.13.0+ds+~0.10.5-2","8.13.0+ds+~0.10.5-3","8.14.0+ds+~0.10.5-1","8.14.0+ds+~0.10.5-1~bpo13+1","8.15.0+ds+~0.10.5-1","8.15.0+ds+~0.10.5-1~bpo13+1","8.15.0+ds+~0.10.5-2","8.16.0+ds+~0.10.5-1","8.16.0+ds+~0.10.5-2","8.16.1+ds+~0.10.5-1","8.16.2+ds+~0.10.5-1","8.16.2+ds+~0.10.5-2","8.16.2+ds+~0.10.5-3","8.16.2+ds+~0.10.5-3~bpo13+1","8.5.0+ds-1","8.6.0+ds-1","8.7.0+ds-1","8.8.0+ds-1","8.8.0+ds-2","8.8.0+ds-2+gcc15","8.8.0+ds-3","8.9.0+ds-1","8.9.0+ds-2","8.9.0+ds-3","8.9.0+ds-4","9.0.0+ds+~0.10.5-1","9.1.0+ds+~0.10.5-1","9.2.0+ds+~0.10.5-1","9.2.1+ds+~0.10.5-1","9.2.1+ds+~0.10.5-2","9.3.0+ds+~0.10.5-1","9.3.1+ds+~0.10.5-1","9.4.0+ds+~0.10.5-1","9.5.0+ds+~0.10.5-1","9.6.0+ds+~0.10.5-1","9.6.0+ds+~0.10.5-2","9.6.0+ds+~0.10.5-3","9.6.0+ds+~0.10.5-4","9.6.0+ds+~0.10.5-5","9.6.0+ds+~0.10.5-6","9.7.0+ds+~0.10.5-1","9.7.0+ds+~0.10.5-2","9.8.0+ds+~0.10.5-1","9.8.0+ds+~0.10.5-2","9.8.0+ds+~0.10.5-3","9.8.0+ds+~0.10.5-4","9.8.0+ds+~0.10.5-5","9.8.0+ds+~0.10.6-1","9.8.0+ds+~0.10.6-2","9.9.0+ds+~0.10.6-1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-53511.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V4","score":"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X"}]}