{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-12185", "assignerOrgId": "91579145-5d7b-4cc5-b925-a0262ff19630", "state": "PUBLISHED", "assignerShortName": "bcorg", "dateReserved": "2026-06-14T00:39:34.400Z", "datePublished": "2026-08-03T00:38:01.609Z", "dateUpdated": "2026-08-03T00:38:01.609Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "91579145-5d7b-4cc5-b925-a0262ff19630", "shortName": "bcorg", "dateUpdated": "2026-08-03T00:38:01.609Z"}, "title": "BKS/UBER keystore allocates from untrusted lengths before integrity check", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-789", "description": "CWE-789 Memory Allocation with Excessive Size Value", "type": "CWE"}]}], "affected": [{"vendor": "Legion of the Bouncy Castle Inc.", "product": "BC-JAVA", "platforms": ["all"], "collectionURL": "https://www.bouncycastle.org/download/bouncy-castle-java/", "packageName": "bcprov", "repo": "https://github.com/bcgit/bc-java", "packageURL": "pkg:maven/org.bouncycastle/bcprov-jdk18on", "modules": ["prov"], "programFiles": ["BcKeyStoreSpi"], "versions": [{"status": "affected", "version": "0", "lessThan": "1.85", "versionType": "maven"}], "defaultStatus": "unaffected"}, {"vendor": "Legion of the Bouncy Castle Inc.", "product": "BC-LTS-JAVA", "platforms": ["all"], "collectionURL": "https://www.bouncycastle.org/download/bouncy-castle-java-lts/", "packageName": "bcprov-lts8on", "repo": "https://github.com/bcgit/bc-lts-java", "packageURL": "pkg:maven/org.bouncycastle/bcprov-lts8on", "modules": ["prov"], "programFiles": ["BcKeyStoreSpi"], "versions": [{"status": "affected", "version": "2.73.0", "lessThan": "2.73.12", "versionType": "maven"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "In Bouncy Castle for Java before 1.85, BKS/UBER keystore allocates from untrusted lengths before integrity check. This issue also affects Bouncy Castle for Java LTS before 2.73.12.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "<p>In Bouncy Castle for Java before 1.85, BKS/UBER keystore allocates from untrusted lengths before integrity check. This issue also affects Bouncy Castle for Java LTS before 2.73.12.</p>"}]}], "references": [{"url": "https://github.com/bcgit/bc-java/wiki/CVE-2026-12185", "tags": ["vendor-advisory"]}, {"url": "https://github.com/bcgit/bc-java/commit/7bbd7fe5f44132e5b6140a2914435c12430eeb3d", "tags": ["patch"]}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "PASSIVE", "vulnConfidentialityImpact": "NONE", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "subIntegrityImpact": "NONE", "vulnAvailabilityImpact": "HIGH", "subAvailabilityImpact": "NONE", "exploitMaturity": "NOT_DEFINED", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "AMBER", "version": "4.0", "baseSeverity": "HIGH", "baseScore": 7.1, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/U:Amber"}}], "credits": [{"lang": "en", "value": "Alex Gaynor in collaboration with Claude and Anthropic Research", "type": "reporter"}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "bc release-notes template"}}}}

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