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Ubuntu 24.04 LTS pbkdf2 Important Signature Spoofing Risk USN-8452-1

ubuntu
Calendar Grey June 25, 2026
Dist Ubuntu Esm H88
Ubuntu Security Notice USN-8452-1 emphasizes an important vulnerability in pbkdf2 leading to predictable keys.
pbkdf2 could be made to generate predictable cryptographic keys if it received specially crafted input.

Summary

pbkdf2 could be made to generate predictable cryptographic keys if it received specially crafted input.

Software Description:

- node-pbkdf2: PBKDF2 with any supported hashing algorithm in Node

Details:

Nikita Skovoroda discovered that pbkdf2 did not properly validate

certain algorithm names. An attacker could possibly use this issue to

generate predictable cryptographic keys, resulting in signature spoofing.

Topics%20covered

Topics Covered

security advisory Ubuntu important signature spoofing pbkdf2 predictable keys

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 24.04 LTS
  node-pbkdf2                     3.1.2-3ubuntu0.1~esm1
                                  Available with Ubuntu Pro

Ubuntu 22.04 LTS
  node-pbkdf2                     3.1.2-2ubuntu0.1~esm1
                                  Available with Ubuntu Pro

Ubuntu 20.04 LTS
  node-pbkdf2                     3.0.16-1ubuntu0.1~esm1
                                  Available with Ubuntu Pro

Ubuntu 18.04 LTS
  node-pbkdf2                     3.0.14-2ubuntu0.1~esm1
                                  Available with Ubuntu Pro

In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-8452-1

CVE-2025-6545

Severity
important
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-8452-1

Topics%20covered

Topics Covered

security advisory Ubuntu important signature spoofing pbkdf2 predictable keys

Package Information

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