medium5.3
CVE-2026-9641
Crypt::PBKDF2 versions before 0.261630 for Perl have a weak default algorithm and number of iterations.
Impact
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.
Affected products
| Product | Affected versions |
|---|---|
| Crypt::PBKDF2 | before 0.261630 |
Versions were read from the advisory text. No structured product data has been published for this record yet.
Weakness classification
References
- NVD record
- CVE.org record
- https://cheatsheetseries.owasp.org/cheatsheets/Password_Storage_Cheat_Sheet.html#pbkdf2
- https://metacpan.org/release/ARODLAND/Crypt-PBKDF2-0.261630/changes
- 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