{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-58102", "assignerOrgId": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "state": "PUBLISHED", "assignerShortName": "CPANSec", "dateReserved": "2026-06-29T06:35:04.718Z", "datePublished": "2026-07-13T22:22:48.618Z", "dateUpdated": "2026-07-14T13:03:15.979Z"}, "containers": {"cna": {"affected": [{"collectionURL": "https://cpan.org/modules", "defaultStatus": "unaffected", "packageName": "Crypt-OpenSSL-X509", "product": "Crypt::OpenSSL::X509", "programFiles": ["X509.xs"], "programRoutines": [{"name": "hv_exts"}, {"name": "Crypt::OpenSSL::X509::extensions"}, {"name": "Crypt::OpenSSL::X509::extensions_by_long_name"}, {"name": "Crypt::OpenSSL::X509::extensions_by_oid"}], "repo": "https://github.com/dsully/perl-crypt-openssl-x509", "vendor": "JONASBN", "versions": [{"lessThan": "2.1.3", "status": "affected", "version": "0", "versionType": "custom"}]}], "descriptions": [{"lang": "en", "value": "Crypt::OpenSSL::X509 versions before 2.1.3 for Perl allow a heap out-of-bounds read via a long certificate extension OID in hv_exts.\n\nWhen building the extension hash (via extensions(), extensions_by_long_name(), extensions_by_oid(), or has_extension_oid()), the code passes OBJ_obj2txt()'s return value as the hash-key length; because that value is the OID's full text length rather than the bytes written to the fixed-size buffer (129 bytes), an OID whose text is longer than the 129-byte buffer causes a read past the allocation, exposing adjacent heap memory as the returned hash key. extensions_by_name() uses the static shortname path and is not affected."}], "problemTypes": [{"descriptions": [{"cweId": "CWE-125", "description": "CWE-125 Out-of-bounds Read", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "shortName": "CPANSec", "dateUpdated": "2026-07-13T22:22:48.618Z"}, "references": [{"tags": ["patch"], "url": "https://github.com/dsully/perl-crypt-openssl-x509/commit/757289bfce095455c104d4adfe9312e7b339620f.patch"}, {"tags": ["release-notes"], "url": "https://metacpan.org/release/JONASBN/Crypt-OpenSSL-X509-2.1.3/source/Changes.md"}], "solutions": [{"lang": "en", "value": "Upgrade to Crypt::OpenSSL::X509 2.1.3 or later."}], "source": {"discovery": "UNKNOWN"}, "title": "Crypt::OpenSSL::X509 versions before 2.1.3 for Perl allow a heap out-of-bounds read via a long certificate extension OID in hv_exts", "workarounds": [{"lang": "en", "value": "Callers that must enumerate extensions of untrusted certificates can restrict enumeration to extensions_by_name(), which uses the static shortname path and does not trigger the over-read."}], "x_generator": {"engine": "cpansec-cna-tool 0.1"}}, "adp": [{"metrics": [{"cvssV3_1": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.1, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2026-07-14T13:02:35.283353Z", "id": "CVE-2026-58102", "options": [{"Exploitation": "none"}, {"Automatable": "yes"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-07-14T13:03:15.979Z"}}]}}

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