CVE-2026-9638

Description

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.

PUBLISHED Reserved 2026-05-26 | Published 2026-06-12 | Updated 2026-06-12 | Assigner CPANSec

Problem types

CWE-338 Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)

Product status

References

www.openwall.com/lists/oss-security/2026/06/12/4

metacpan.org/dist/Crypt-PBKDF2/source/lib/Crypt/PBKDF2.pm

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

cve.org (CVE-2026-9638)

nvd.nist.gov (CVE-2026-9638)

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