CVE-2026-9638CWE-338

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

High · published June 12, 2026

CVSS v3.1
7.5
EPSS
0%
Percentile
41.4
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00492 · 41.4th percentile
Weakness
CWE-338 · Use of Cryptographically Weak Pseudo-Random Number Generator (PRNG)
Published
2026-06-12T14:41Z
EPSS history
Timeline
  • 12 JUN 14:41Z
    Crypt::PBKDF2 versions before 0.261630 for Perl generate insecure random values for salts
    cvelistv5