CVE-2026-9638
HIGHCVSS 7.5/10EPSS 0.30%
Last modified
CVE-2026-9638 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 0.30% chance of exploitation in the next 30 days.
Description
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.
Metrics
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness Enumeration
References
Timeline
- Published
- Last Modified
- Status
- Deferred
Frequently Asked Questions
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.
How severe is CVE-2026-9638?
CVE-2026-9638 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.30% probability of exploitation in the next 30 days.
How do I fix CVE-2026-9638?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
Are you affected by CVE-2026-9638?
Run a free Strix scan to check your systems for this vulnerability.
Scan your code nowSource: NVD / NIST