CVE-2026-9641
Crypt::PBKDF2 versions before 0.261630 for Perl have a weak default algorithm and number of iterations
- State
- Published
- Severity
- 5.3 Medium
- Published
- Jun 12, 2026
- Updated
- Jun 14, 2026
- Reserved
- May 26, 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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 5.3 Medium | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N | CISA-ADP |
Weaknesses
- CWE-916 Use of Password Hash With Insufficient Computational Effort
Affected Products
| Product | Versions |
|---|---|
Crypt::PBKDF2ARODLAND |
|
References
- https://cheatsheetseries.owasp.org/cheatsheets/Password_Storage_Cheat_Sheet.html#pbkdf2technical-description
- https://metacpan.org/release/ARODLAND/Crypt-PBKDF2-0.261630/changesrelease-notes
- http://www.openwall.com/lists/oss-security/2026/06/12/5
- http://www.openwall.com/lists/oss-security/2026/06/13/1
- http://www.openwall.com/lists/oss-security/2026/06/14/1
- http://www.openwall.com/lists/oss-security/2026/06/14/2
- http://www.openwall.com/lists/oss-security/2026/06/14/3
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