CVE-2026-9641

June 13, 2026, 4:17 a.m.

5.3
Medium

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.

Product(s) Impacted

Vendor Product Versions
Perl
  • Crypt

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-916
Use of Password Hash With Insufficient Computational Effort
The product generates a hash for a password, but it uses a scheme that does not provide a sufficient level of computational effort that would make password cracking attacks infeasible or expensive.

*CPE(s)

Affected systems and software identified for this CVE.

Type Vendor Product Version Update Edition Language Software Edition Target Software Target Hardware Other Information
a perl crypt pbkdf2 <0.261630 / / / / /

References

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

Tags

CWE-916
9b29abf9-4ab0-4765-b253-1875cd9b441e
2026-06-12
CVE-2026-9641

CVSS Score

5.3 / 10

CVSS Data - 3.1

  • Attack Vector: NETWORK
  • Attack Complexity: LOW
  • Privileges Required: NONE
  • Scope: UNCHANGED
  • Confidentiality Impact: LOW
  • Integrity Impact: NONE
  • Availability Impact: NONE

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

    View Vector String

Timeline

Published: June 12, 2026, 4:16 p.m.
Last Modified: June 13, 2026, 4:17 a.m.

Status : Deferred

When a CVE is given this status the NVD does not plan analyze or re-analyze this CVE due to resource or other concerns.

More info

Source

9b29abf9-4ab0-4765-b253-1875cd9b441e

*Disclaimer: Some vulnerabilities do not have an associated CPE. To enhance the data, we use AI to infer CPEs based on CVE details. This is an automated process and might not always be accurate.