{ "document": { "category": "csaf_security_advisory", "csaf_version": "2.0", "distribution": { "tlp": { "label": "WHITE", "url": "https://www.first.org/tlp/" } }, "lang": "en", "notes": [ { "category": "description", "text": "Crypt::PBKDF2 versions before 0.261630 for Perl generate insecure random values for salts. These versions use the built-in rand function, which is predictable and unsuitable for cryptography.", "title": "Vulnerability Description" } ], "publisher": { "category": "other", "contact_details": "gdt@cpan.org", "name": "giterlizzi", "namespace": "https://github.com/giterlizzi/" }, "references": [ { "category": "self", "summary": "CPANSA-Crypt-PBKDF2-2026-9638 JSON", "url": "https://raw.githubusercontent.com/giterlizzi/perl-CPANSA-CSAF/develop/csaf/white/2026/cpansa-crypt-pbkdf2-2026-9638.json" }, { "category": "external", "summary": "https://metacpan.org/dist/Crypt-PBKDF2/source/lib/Crypt/PBKDF2.pm#L86-93", "url": "https://metacpan.org/dist/Crypt-PBKDF2/source/lib/Crypt/PBKDF2.pm#L86-93" }, { "category": "external", "summary": "https://metacpan.org/release/ARODLAND/Crypt-PBKDF2-0.261630/changes", "url": "https://metacpan.org/release/ARODLAND/Crypt-PBKDF2-0.261630/changes" }, { "category": "external", "summary": "http://www.openwall.com/lists/oss-security/2026/06/12/4", "url": "http://www.openwall.com/lists/oss-security/2026/06/12/4" }, { "category": "external", "summary": "CVE-2026-9638 (NVD)", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-9638" } ], "title": "Crypt-PBKDF2 vulnerability", "tracking": { "current_release_date": "2026-06-12T00:00:00", "generator": { "engine": { "name": "CSAF Perl Toolkit", "version": "0.26" } }, "id": "CPANSA-Crypt-PBKDF2-2026-9638", "initial_release_date": "2026-06-12T00:00:00", "revision_history": [ { "date": "2026-06-12T00:00:00", "number": "1", "summary": "First release" } ], "status": "final", "version": "1" } }, "product_tree": { "branches": [ { "branches": [ { "category": "product_version_range", "name": "vers:cpan/<0.261630", "product": { "name": "Crypt-PBKDF2 less than 0.261630", "product_id": "CSAFPID-0001", "product_identification_helper": { "purl": "pkg:cpan/Crypt-PBKDF2" } } }, { "category": "product_version_range", "name": "vers:cpan/>=0.261630", "product": { "name": "Crypt-PBKDF2 greater than or equal 0.261630", "product_id": "CSAFPID-0002", "product_identification_helper": { "purl": "pkg:cpan/Crypt-PBKDF2" } } } ], "category": "product_name", "name": "Crypt-PBKDF2" } ] }, "vulnerabilities": [ { "cve": "CVE-2026-9638", "cwe": { "id": "CWE-338", "name": "Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)" }, "notes": [ { "category": "description", "text": "Crypt::PBKDF2 versions before 0.261630 for Perl generate insecure random values for salts.\n\nThese versions use the built-in rand function, which is predictable and unsuitable for cryptography.", "title": "Vulnerability Description" } ], "product_status": { "fixed": [ "CSAFPID-0002" ], "known_affected": [ "CSAFPID-0001" ] }, "scores": [ { "cvss_v3": { "baseScore": 7.5, "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N", "version": "3.1" }, "products": [ "CSAFPID-0001" ] } ] } ] }