CVE-2026-5086
Full vulnerability record from the local CVENow database.
Description
Crypt::SecretBuffer versions before 0.019 for Perl is suseceptible to timing attacks. For example, if Crypt::SecretBuffer was used to store and compare plaintext passwords, then discrepencies in timing could be used to guess the secret password.
Severity
HIGH
CVSS score
7.5
(v3.1)
Vulnerability status
Analyzed
Source identifier
9b29abf9-4ab0-4765-b253-1875cd9b441e
Published
2026-04-13 23:16:27.990000
Last modified
2026-10-26 21:10:00.170000
View original CVE JSON
{
"id": "CVE-2026-5086",
"sourceIdentifier": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
"published": "2026-04-13T23:16:27.990",
"lastModified": "2026-10-26T21:10:00.170",
"vulnStatus": "Analyzed",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Crypt::SecretBuffer versions before 0.019 for Perl is suseceptible to timing attacks.\n\nFor example, if Crypt::SecretBuffer was used to store and compare plaintext passwords, then discrepencies in timing could be used to guess the secret password."
},
{
"lang": "es",
"value": "Las versiones de Crypt::SecretBuffer anteriores a la 0.019 para Perl son susceptibles a ataques de temporización.\n\nPor ejemplo, si Crypt::SecretBuffer se utilizara para almacenar y comparar contraseñas en texto plano, entonces las discrepancias en la temporización podrían utilizarse para adivinar la contraseña secreta."
}
],
"affected": [
{
"source": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
"affectedData": [
{
"vendor": "NERDVANA",
"product": "Crypt::SecretBuffer",
"defaultStatus": "unaffected",
"collectionURL": "https://cpan.org/modules",
"packageName": "Crypt-SecretBuffer",
"programFiles": [
"SecretBuffer.xs"
],
"programRoutines": [
{
"name": "Crypt::SecretBuffer::memcmp"
}
],
"repo": "https://github.com/nrdvana/perl-Crypt-SecretBuffer",
"versions": [
{
"version": "0",
"lessThan": "0.019",
"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": "2026-04-15T19:59:41.270630Z",
"id": "CVE-2026-5086",
"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-208"
}
]
}
],
"configurations": [
{
"nodes": [
{
"operator": "OR",
"negate": false,
"cpeMatch": [
{
"vulnerable": true,
"criteria": "cpe:2.3:a:nerdvana:crypt\\:\\:secretbuffer:*:*:*:*:*:perl:*:*",
"versionEndExcluding": "0.019",
"matchCriteriaId": "93A2172E-D859-484C-BF39-687B58BCC991"
}
]
}
]
}
],
"references": [
{
"url": "https://metacpan.org/release/NERDVANA/Crypt-SecretBuffer-0.019/source/Changes",
"source": "9b29abf9-4ab0-4765-b253-1875cd9b441e",
"tags": [
"Product",
"Release Notes"
]
},
{
"url": "http://www.openwall.com/lists/oss-security/2026/04/13/12",
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Mailing List",
"Third Party Advisory"
]
}
]
}