CVE-2026-9641

MediumCVSS 5.3/10Last modified Jun 17, 2026

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.

Metrics

CVSS 3.1 5.3/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Jun 12, 2026
Last modified
Jun 17, 2026
NVD status
Deferred

Related CVEs from 2026

CVE-2026-9641: Medium severity, CVSS 5.3 | Vulnix