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CVE-2017-20240

MEDIUM
5.9
CVSS Severity Score
EPSS Score0.1840%
EPSS Percentile23.40th
PublishedJun 12, 2026
Last ModifiedJun 12, 2026

Vulnerability Description

Crypt::PBKDF2 versions before 0.261630 for Perl are vulnerable to timing attacks. These versions use Perl's built-in eq comparison. Discrepancies in timing could be used to guess the underlying derived-key.

Affected Platforms (CPE)

No CPE configurations currently published for this record.

References & Advisories

🔗 https://github.com/arodland/Crypt-PBKDF2/pull/6
🔗 https://metacpan.org/release/ARODLAND/Crypt-PBKDF2-0.161520/source/lib/Crypt/PBKDF2.pm#L123-148
🔗 https://metacpan.org/release/ARODLAND/Crypt-PBKDF2-0.261630/changes
🔗 http://www.openwall.com/lists/oss-security/2026/06/12/3

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