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CVE-2017-20240

Crypt::PBKDF2 versions before 0.261630 for Perl are vulnerable to timing attacks

CVSS 5.9 MEDIUMEPSS 0.3%CWE-208
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.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
Affected products
ARODLAND · Crypt::PBKDF2

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