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{"cveTags": [], "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."}, {"lang": "es", "value": "La vulnerabilidad de verificaci\u00f3n incorrecta de firma criptogr\u00e1fica en LibreOffice permite la suplantaci\u00f3n de firmas PDF mediante una validaci\u00f3n incorrecta. En las versiones afectadas de LibreOffice, una falla en el c\u00f3digo de verificaci\u00f3n de firmas adbe.pkcs7.sha1 podr\u00eda provocar que firmas no v\u00e1lidas se acepten como v\u00e1lidas. Este problema afecta a LibreOffice: desde la versi\u00f3n 24.8 hasta la 24.8.6, desde la versi\u00f3n 25.2 hasta la 25.2.2."}], "id": "CVE-2025-2866", "lastModified": "2025-04-29T13:52:10.697", "metrics": {"cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "LOCAL", "availabilityRequirement": "NOT_DEFINED", "baseScore": 2.4, "baseSeverity": "LOW", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "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/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", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "security@documentfoundation.org", "type": "Secondary"}]}, "published": "2025-04-27T19:15:15.137", "references": [{"source": "security@documentfoundation.org", "url": "https://www.libreoffice.org/about-us/security/advisories/cve-2025-2866"}], "sourceIdentifier": "security@documentfoundation.org", "vulnStatus": "Awaiting Analysis", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-347"}], "source": "security@documentfoundation.org", "type": "Secondary"}]}

{"bugzilla": {"description": "LibreOffice: PDF signature forgery with adbe.pkcs7.sha1 SubFilter", "id": "2362574", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2362574"}, "csaw": false, "cvss3": {"cvss3_base_score": "2.8", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N", "status": "draft"}, "cwe": "CWE-347", "details": ["Improper Verification of Cryptographic Signature vulnerability in LibreOffice allows PDF Signature Spoofing by Improper Validation.\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\nThis issue affects LibreOffice: from 24.8 before < 24.8.6, from 25.2 before < 25.2.2."], "mitigation": {"lang": "en:us", "value": "Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability."}, "name": "CVE-2025-2866", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Fix deferred", "package_name": "libreoffice", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Fix deferred", "package_name": "libreoffice", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "libreoffice", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "libreoffice", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-04-27T19:04:52Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-2866\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-2866\nhttps://www.libreoffice.org/about-us/security/advisories/cve-2025-2866"], "threat_severity": "Low"}