These versions use Perl's built-in eq comparison. Discrepancies in timing could be used to guess the underlying derived-key.
Project Subscriptions
No data.
No advisories yet.
Solution
Upgrade to version 0.261630 or later.
Workaround
Apply the patch from the referenced pull request.
Fri, 12 Jun 2026 17:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| References |
|
Fri, 12 Jun 2026 16:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
cvssV3_1
|
Fri, 12 Jun 2026 13:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Crypt::PBKDF2 versions before 0.261630 for Perl are vulnerable to timing attacks. These versions use Perl's built-in eq comparison. Discrepancies in timing could be used to guess the underlying derived-key. | |
| Title | Crypt::PBKDF2 versions before 0.261630 for Perl are vulnerable to timing attacks | |
| Weaknesses | CWE-208 | |
| References |
|
Projects
Sign in to view the affected projects.
Status: PUBLISHED
Assigner: CPANSec
Published:
Updated: 2026-06-12T16:59:33.477Z
Reserved: 2026-05-26T18:23:21.387Z
Link: CVE-2017-20240
Updated: 2026-06-12T16:59:33.477Z
Status : Deferred
Published: 2026-06-12T14:16:28.660
Modified: 2026-06-12T17:16:22.133
Link: CVE-2017-20240
No data.
OpenCVE Enrichment
Updated: 2026-06-12T17:30:07Z