{"id":"ALPINE-CVE-2021-25635","details":"An Improper Certificate Validation vulnerability in LibreOffice allowed \nan attacker to self sign an ODF document, with a signature untrusted by \nthe target, then modify it to change the signature algorithm to an \ninvalid (or unknown to LibreOffice) algorithm and LibreOffice would incorrectly present such a signature with an unknown algorithm as a \nvalid signature issued by a trusted person\n\n\nThis issue affects LibreOffice: from 7.0 before 7.0.5, from 7.1 before 7.1.1.","modified":"2026-11-03T06:32:27.737850374Z","published":"2025-03-21T15:15:35.707Z","upstream":["CVE-2021-25635"],"references":[{"type":"ADVISORY","url":"https://security.alpinelinux.org/vuln/CVE-2021-25635"}],"affected":[{"package":{"name":"libreoffice","ecosystem":"Alpine:v3.15","purl":"pkg:apk/alpine/libreoffice?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"7.0.0"},{"fixed":"7.2.2.2-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-25635.json"}},{"package":{"name":"libreoffice","ecosystem":"Alpine:v3.16","purl":"pkg:apk/alpine/libreoffice?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"7.0.0"},{"fixed":"7.2.2.2-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-25635.json"}},{"package":{"name":"libreoffice","ecosystem":"Alpine:v3.17","purl":"pkg:apk/alpine/libreoffice?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"7.0.0"},{"fixed":"7.2.2.2-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-25635.json"}},{"package":{"name":"libreoffice","ecosystem":"Alpine:v3.18","purl":"pkg:apk/alpine/libreoffice?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"7.0.0"},{"fixed":"7.2.2.2-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-25635.json"}},{"package":{"name":"libreoffice","ecosystem":"Alpine:v3.19","purl":"pkg:apk/alpine/libreoffice?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"7.0.0"},{"fixed":"7.2.2.2-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-25635.json"}},{"package":{"name":"libreoffice","ecosystem":"Alpine:v3.20","purl":"pkg:apk/alpine/libreoffice?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"7.0.0"},{"fixed":"7.2.2.2-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-25635.json"}},{"package":{"name":"libreoffice","ecosystem":"Alpine:v3.21","purl":"pkg:apk/alpine/libreoffice?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"7.0.0"},{"fixed":"7.2.2.2-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-25635.json"}},{"package":{"name":"libreoffice","ecosystem":"Alpine:v3.22","purl":"pkg:apk/alpine/libreoffice?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"7.0.0"},{"fixed":"7.2.2.2-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-25635.json"}},{"package":{"name":"libreoffice","ecosystem":"Alpine:v3.23","purl":"pkg:apk/alpine/libreoffice?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"7.0.0"},{"fixed":"7.2.2.2-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-25635.json"}},{"package":{"name":"libreoffice","ecosystem":"Alpine:v3.24","purl":"pkg:apk/alpine/libreoffice?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"7.0.0"},{"fixed":"7.2.2.2-r0"}]}],"ecosystem_specific":{},"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-25635.json"}}],"schema_version":"1.9.2","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N"}]}