CVE-2026-9641CWE-916

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

Medium · published June 12, 2026

CVSS v3.1
5.3
EPSS
0%
Percentile
20.0
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
5.3 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
CVSS v4.0
Not supplied
EPSS
0.00287 · 20.0th percentile
Weakness
CWE-916 · Use of Password Hash With Insufficient Computational Effort
Published
2026-06-12T14:57Z
EPSS history
Timeline
  • 12 JUN 14:57Z
    Crypt::PBKDF2 versions before 0.261630 for Perl have a weak default algorithm and number of iterations
    cvelistv5