{"id":"CVE-2025-2866","state":"PUBLISHED","title":"PDF signature forgery with adbe.pkcs7.sha1 SubFilter","description":"Improper Verification of Cryptographic Signature vulnerability in LibreOffice allows PDF Signature Spoofing by Improper Validation.\n\n\n\n\nIn the affected versions of LibreOffice a flaw in the verification code for adbe.pkcs7.sha1 signatures could cause invalid signatures to be accepted as valid\n\n\n\n\nThis issue affects LibreOffice: from 24.8 before < 24.8.6, from 25.2 before < 25.2.2.","publishedAt":"2025-04-27T19:04:52.226Z","updatedAt":"2025-11-03T19:46:42.576Z","severity":{"score":2.4,"label":"Low","version":"4.0","vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N","source":"Document Fdn."},"assigner":"Document Fdn.","products":["The Document Foundation LibreOffice"],"affected":[{"vendor":"The Document Foundation","product":"LibreOffice","defaultStatus":"unknown","versions":[{"version":"24.8","status":"affected","lessThan":"< 24.8.6","versionType":"24.8 series"},{"version":"25.2","status":"affected","lessThan":"< 25.2.2","versionType":"25.2 series"}]}],"references":["https://www.libreoffice.org/about-us/security/advisories/cve-2025-2866","https://lists.debian.org/debian-lts-announce/2025/06/msg00002.html"],"weaknesses":["CWE-347"],"ingestedAt":"2026-10-29T20:08:55.257Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2025/2xxx/CVE-2025-2866.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2025-2866","state":"PUBLISHED","datePublished":"2025-04-27T19:04:52.226Z","dateUpdated":"2025-11-03T19:46:42.576Z","assignerShortName":"Document Fdn.","assignerOrgId":"4fe7d05b-1353-44cc-8b7a-1e416936dff2","dateReserved":"2025-03-27T11:22:16.241Z"},"containers":{"cna":{"title":"PDF signature forgery with adbe.pkcs7.sha1 SubFilter","descriptions":[{"lang":"en","value":"Improper Verification of Cryptographic Signature vulnerability in LibreOffice allows PDF Signature Spoofing by Improper Validation.\n\n\n\n\nIn the affected versions of LibreOffice a flaw in the verification code for adbe.pkcs7.sha1 signatures could cause invalid signatures to be accepted as valid\n\n\n\n\nThis issue affects LibreOffice: from 24.8 before < 24.8.6, from 25.2 before < 25.2.2."}],"affected":[{"vendor":"The Document Foundation","product":"LibreOffice","defaultStatus":"unknown","versions":[{"version":"24.8","status":"affected","lessThan":"< 24.8.6","versionType":"24.8 series"},{"version":"25.2","status":"affected","lessThan":"< 25.2.2","versionType":"25.2 series"}]}],"references":[{"url":"https://www.libreoffice.org/about-us/security/advisories/cve-2025-2866"}],"metrics":[{"cvssV4_0":{"Automatable":"NOT_DEFINED","Recovery":"NOT_DEFINED","Safety":"NOT_DEFINED","attackComplexity":"LOW","attackRequirements":"NONE","attackVector":"LOCAL","baseScore":2.4,"baseSeverity":"LOW","privilegesRequired":"LOW","providerUrgency":"NOT_DEFINED","subAvailabilityImpact":"NONE","subConfidentialityImpact":"LOW","subIntegrityImpact":"NONE","userInteraction":"PASSIVE","valueDensity":"NOT_DEFINED","vectorString":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:P/VC:L/VI:N/VA:N/SC:L/SI:N/SA:N","version":"4.0","vulnAvailabilityImpact":"NONE","vulnConfidentialityImpact":"LOW","vulnIntegrityImpact":"NONE","vulnerabilityResponseEffort":"NOT_DEFINED"},"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-347","description":"CWE-347 Improper Verification of Cryptographic Signature","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"Document Fdn.","orgId":"4fe7d05b-1353-44cc-8b7a-1e416936dff2","dateUpdated":"2025-04-27T19:04:52.226Z"},"credits":[{"lang":"en","type":"finder","value":"Thanks to Juraj Šarinay for discovering this issue and for providing a fix"}],"datePublic":"2025-04-27T19:00:00.000Z","impacts":[{"capecId":"CAPEC-475","descriptions":[{"lang":"en","value":"CAPEC-475 Signature Spoofing by Improper Validation"}]}],"source":{"discovery":"EXTERNAL"},"x_generator":{"engine":"Vulnogram 0.2.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2025-04-28T13:41:33.064404Z","id":"CVE-2025-2866","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2025-04-28T13:41:41.123Z"}},{"title":"CVE Program Container","references":[{"url":"https://lists.debian.org/debian-lts-announce/2025/06/msg00002.html"}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2025-11-03T19:46:42.576Z"}}]}}}