CVE-2026-9638
Full vulnerability record from the local CVENow database.
Description
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.
Severity
HIGH
CVSS score
7.5
(v3.1)
Vulnerability status
Deferred
Source identifier
9b29abf9-4ab0-4765-b253-1875cd9b441e
Published
2026-06-12 16:16:34.937000
Last modified
2026-10-26 11:10:00.157000
View original CVE JSON
{
"id": "CVE-2026-9638",
"sourceIdentifier": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
"published": "2026-06-12T16:16:34.937",
"lastModified": "2026-10-26T11:10:00.157",
"vulnStatus": "Deferred",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "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."
},
{
"lang": "es",
"value": "Versiones de Crypt::PBKDF2 anteriores a la 0.261630 para Perl generan valores aleatorios inseguros para las sales.\n\nEstas versiones utilizan la función rand incorporada, la cual es predecible e inadecuada para criptografía."
}
],
"affected": [
{
"source": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
"affectedData": [
{
"vendor": "ARODLAND",
"product": "Crypt::PBKDF2",
"defaultStatus": "unaffected",
"collectionURL": "https://cpan.org/modules",
"packageName": "Crypt-PBKDF2",
"programRoutines": [
{
"name": "Crypt::PBKDF2::_random_salt"
}
],
"repo": "https://github.com/arodland/Crypt-PBKDF2",
"versions": [
{
"version": "0",
"lessThan": "0.261630",
"versionType": "custom",
"status": "affected"
}
]
}
]
}
],
"metrics": {
"cvssMetricV31": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"type": "Secondary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N",
"baseScore": 7.5,
"baseSeverity": "HIGH",
"attackVector": "NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "NONE",
"availabilityImpact": "NONE"
},
"exploitabilityScore": 3.9,
"impactScore": 3.6
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
"timestamp": "2026-06-12T17:49:14.564273Z",
"id": "CVE-2026-9638",
"options": [
{
"exploitation": "none"
},
{
"automatable": "yes"
},
{
"technicalImpact": "partial"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
]
},
"weaknesses": [
{
"source": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-338"
}
]
}
],
"references": [
{
"url": "https://metacpan.org/dist/Crypt-PBKDF2/source/lib/Crypt/PBKDF2.pm#L86-93",
"source": "9b29abf9-4ab0-4765-b253-1875cd9b441e"
},
{
"url": "https://metacpan.org/release/ARODLAND/Crypt-PBKDF2-0.261630/changes",
"source": "9b29abf9-4ab0-4765-b253-1875cd9b441e"
},
{
"url": "http://www.openwall.com/lists/oss-security/2026/06/12/4",
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
]
}