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CVE-2026-9641

Crypt::PBKDF2 versions before 0.261630 for Perl have a weak default algorithm and number of iterations

Crypt::PBKDF2 versions before 0.261630 for Perl have a weak default algorithm and number of iterations. The default algorithm is HMAC-SHA1, which should only be used for legacy systems. These versions default to using 1000 iterations. Depending on the chosen algorithm, 220,000 to 1,400,000 iterations should be used.

CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed
Vendors
Arodland
Products
Crypt::pbkdf2
CVE-2017-20240

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

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 · 5.9 Medium EPSS < 1% KEV · Not listed
Vendors
Arodland
Products
Crypt::pbkdf2
CVE-2026-9638

Crypt::PBKDF2 versions before 0.261630 for Perl generate insecure random values for salts

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.

CVSS 3.1 · 7.5 High EPSS < 1% KEV · Not listed
Vendors
Arodland
Products
Crypt::pbkdf2