CVE-2026-9641

Medium

Description

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.

SeverityMedium

CVSS5.3

Exploit probability—

ProductCrypt::PBKDF2

PublishedJun 12, 2026

First seenJun 12, 2026

Weakness typeCWE-916CWE-916

How to fix

Update

ARODLAND Crypt::PBKDF20.261630 or later

Vendor advisories

metacpan.org/release/ARODLAND/Crypt-PBKDF2-0.261630/changes

Affected products

Product	Affected versions	Fixed in
ARODLAND Crypt::PBKDF2	v < 0.261630	0.261630

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