Crypt::PBKDF2 versions before 0.261630 for Perl generate insecure random values for salts
CVE-2026-9638

7.5HIGH

Key Information:

Vendor

Arodland

Status
Crypt::pbkdf2
Vendor
CVE Published:
12 June 2026

What is CVE-2026-9638?

Crypt::PBKDF2 versions before 0.261630 for Perl generate insecure random values for salts.

These versions use the built-in rand function, which is predictable and unsuitable for cryptography.

Affected Version(s)

Crypt::PBKDF2 0 < 0.261630

References

https://metacpan.org/dist/Crypt-PBKDF2/source/lib/Crypt/P...
https://metacpan.org/release/ARODLAND/Crypt-PBKDF2-0.2616...
release-notes

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.