{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-14570", "assignerOrgId": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "state": "PUBLISHED", "assignerShortName": "CPANSec", "dateReserved": "2026-07-03T10:37:19.787Z", "datePublished": "2026-07-05T01:30:12.849Z", "dateUpdated": "2026-07-05T01:30:12.849Z"}, "containers": {"cna": {"affected": [{"collectionURL": "https://cpan.org/modules", "defaultStatus": "unaffected", "packageName": "Crypt-DSA", "product": "Crypt::DSA", "programFiles": ["lib/Crypt/DSA/Util.pm", "lib/Crypt/DSA.pm", "lib/Crypt/DSA/KeyChain.pm"], "programRoutines": [{"name": "Crypt::DSA::Util::makerandom"}, {"name": "Crypt::DSA::sign"}, {"name": "Crypt::DSA::KeyChain::generate_keys"}], "repo": "https://github.com/perl-Crypt-OpenPGP/Crypt-DSA", "vendor": "TIMLEGGE", "versions": [{"lessThan": "1.22", "status": "affected", "version": "0", "versionType": "custom"}]}], "descriptions": [{"lang": "en", "value": "Crypt::DSA versions before 1.22 for Perl draw the DSA signing nonce and private key from a biased random generator, leading to private-key recovery.\n\n\"Crypt::DSA::Util::makerandom forces the high bit of every value it returns to obtain an exactly N-bit integer for prime search. The signing nonce and the private key are drawn from makerandom. Because the high bit is always set, the result is not uniform: its top bit is fixed, producing insecure values.\"\n\nAn attacker who collects a modest number of signatures under an affected key, together with the public key, can recover the private key with a lattice attack.\n\nKeys used to sign with an affected version should be considered compromised and new keys should be generated."}], "problemTypes": [{"descriptions": [{"cweId": "CWE-330", "description": "CWE-330 Use of Insufficiently Random Values", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "9b29abf9-4ab0-4765-b253-1875cd9b441e", "shortName": "CPANSec", "dateUpdated": "2026-07-05T01:30:12.849Z"}, "references": [{"url": "https://metacpan.org/release/TIMLEGGE/Crypt-DSA-1.21/source/lib/Crypt/DSA/Util.pm#L56"}, {"url": "https://metacpan.org/release/TIMLEGGE/Crypt-DSA-1.22/diff/TIMLEGGE/Crypt-DSA-1.21#lib/Crypt/DSA/Util.pm"}, {"tags": ["release-notes"], "url": "https://metacpan.org/release/TIMLEGGE/Crypt-DSA-1.22/changes"}], "solutions": [{"lang": "en", "value": "Upgrade to version 1.22 or later, which draws the nonce and private key uniformly via rejection sampling (Crypt::DSA::Util::randombelow) with no forced high bit.\n\nRevoke and regenerate any keys used to sign with an affected version.\n\nCrypt::DSA was deprecated in version 1.20. You should migrate to another solution."}], "source": {"discovery": "UNKNOWN"}, "title": "Crypt::DSA versions before 1.22 for Perl draw the DSA signing nonce and private key from a biased random generator, leading to private-key recovery", "x_generator": {"engine": "cpansec-cna-tool 0.1"}}}}

{}

{}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "[0,1.22)"}}], "enrichment": {"confidence": 100.0, "confidence_source": "matching", "scores": [{"score": 100.0, "source": "matching"}]}, "original": {"product": "Crypt::DSA", "source": "cna", "vendor": "TIMLEGGE"}, "product": "crypt::dsa", "vendor": "timlegge"}], "created": "2026-07-05T03:30:05.365068+00:00", "updated": "2026-07-05T03:30:05.365113+00:00", "vendors": ["timlegge", "timlegge$PRODUCT$crypt::dsa"]}