{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-58101", "assignerOrgId": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "state": "PUBLISHED", "assignerShortName": "CPANSec", "dateReserved": "2026-06-29T06:35:04.717Z", "datePublished": "2026-07-13T22:17:48.375Z", "dateUpdated": "2026-07-13T22:17:48.375Z"}, "containers": {"cna": {"affected": [{"collectionURL": "https://cpan.org/modules", "defaultStatus": "unaffected", "packageName": "Crypt-OpenSSL-X509", "product": "Crypt::OpenSSL::X509", "programFiles": ["X509.xs"], "programRoutines": [{"name": "Crypt::OpenSSL::X509::Extension::basicC"}, {"name": "Crypt::OpenSSL::X509::Extension::ia5string"}, {"name": "Crypt::OpenSSL::X509::Extension::auth_att"}, {"name": "Crypt::OpenSSL::X509::Extension::keyid_data"}], "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 denial of service via NULL pointer dereference.\n\nX509V3_EXT_d2i(ext) returns NULL when an extension's DER value fails to parse. basicC, ia5string, and auth_att dereference its result without a NULL check. keyid_data also dereferences akid->keyid, which is NULL for an empty AKI SEQUENCE (DER 30 00) even when the parse succeeds.\n\nA caller invoking an affected helper on an extension from an untrusted certificate triggers a SIGSEGV that crashes the Perl process."}], "problemTypes": [{"descriptions": [{"cweId": "CWE-476", "description": "CWE-476 NULL Pointer Dereference", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "shortName": "CPANSec", "dateUpdated": "2026-07-13T22:17:48.375Z"}, "references": [{"tags": ["patch"], "url": "https://github.com/dsully/perl-crypt-openssl-x509/commit/4c1e2370556097c253ae27abe9e1097ea377fbd2.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, which NULL-checks each X509V3_EXT_d2i result and the optional keyid field before dereferencing."}], "source": {"discovery": "UNKNOWN"}, "title": "Crypt::OpenSSL::X509 versions before 2.1.3 for Perl allow denial of service via NULL pointer dereference", "x_generator": {"engine": "cpansec-cna-tool 0.1"}}}}

{}

{}

{}