{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-21898", "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "state": "PUBLISHED", "assignerShortName": "GitHub_M", "dateReserved": "2026-01-05T17:24:36.931Z", "datePublished": "2026-01-10T00:10:29.925Z", "dateUpdated": "2026-01-10T00:10:29.925Z"}, "containers": {"cna": {"title": "CryptoLib Has Out-of-bounds Read in Crypto_AOS_ProcessSecurity", "problemTypes": [{"descriptions": [{"cweId": "CWE-125", "lang": "en", "description": "CWE-125: Out-of-bounds Read", "type": "CWE"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.2, "baseSeverity": "HIGH", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H", "version": "3.1"}}], "references": [{"name": "https://github.com/nasa/CryptoLib/security/advisories/GHSA-7ch6-2pmg-m853", "tags": ["x_refsource_CONFIRM"], "url": "https://github.com/nasa/CryptoLib/security/advisories/GHSA-7ch6-2pmg-m853"}, {"name": "https://github.com/nasa/CryptoLib/releases/tag/v1.4.3", "tags": ["x_refsource_MISC"], "url": "https://github.com/nasa/CryptoLib/releases/tag/v1.4.3"}], "affected": [{"vendor": "nasa", "product": "CryptoLib", "versions": [{"version": "< 1.4.3", "status": "affected"}]}], "providerMetadata": {"orgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "shortName": "GitHub_M", "dateUpdated": "2026-01-10T00:10:29.925Z"}, "descriptions": [{"lang": "en", "value": "CryptoLib provides a software-only solution using the CCSDS Space Data Link Security Protocol - Extended Procedures (SDLS-EP) to secure communications between a spacecraft running the core Flight System (cFS) and a ground station. Prior to version 1.4.3, the Crypto_AOS_ProcessSecurity function reads memory without valid bounds checking when parsing AOS frame hashes. This issue has been patched in version 1.4.3."}], "source": {"advisory": "GHSA-7ch6-2pmg-m853", "discovery": "UNKNOWN"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "CryptoLib provides a software-only solution using the CCSDS Space Data Link Security Protocol - Extended Procedures (SDLS-EP) to secure communications between a spacecraft running the core Flight System (cFS) and a ground station. Prior to version 1.4.3, the Crypto_AOS_ProcessSecurity function reads memory without valid bounds checking when parsing AOS frame hashes. This issue has been patched in version 1.4.3."}], "id": "CVE-2026-21898", "lastModified": "2026-01-10T01:16:17.957", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 8.2, "baseSeverity": "HIGH", "confidentialityImpact": "LOW", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 4.2, "source": "security-advisories@github.com", "type": "Secondary"}]}, "published": "2026-01-10T01:16:17.957", "references": [{"source": "security-advisories@github.com", "url": "https://github.com/nasa/CryptoLib/releases/tag/v1.4.3"}, {"source": "security-advisories@github.com", "url": "https://github.com/nasa/CryptoLib/security/advisories/GHSA-7ch6-2pmg-m853"}], "sourceIdentifier": "security-advisories@github.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-125"}], "source": "security-advisories@github.com", "type": "Primary"}]}

{}

{}