PT-2026-48920 · Arodland · Crypt::Pbkdf2

Published 2026-06-12 · Updated 2026-06-12 · CVE-2026-9638

NVD

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

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.

Fix

Weakness Enumeration

CWE-338

Related Identifiers

CVE-2026-9638

Affected Products

Crypt::Pbkdf2

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2026-9638 · Security Note
• http://openwall.com/lists/oss-security/2026/06/12/4 · Note
• https://metacpan.org/release/ARODLAND/Crypt-PBKDF2-0.261630/changes · Note
• https://metacpan.org/dist/Crypt-PBKDF2/source/lib/Crypt/PBKDF2.pm#L86-93 · Note