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[USN-8452-1] pbkdf2 vulnerability

Posted on 25 June 2026
Ubuntu Security

==========================================================================Ubuntu Security Notice USN-8452-1
June 18, 2026

node-pbkdf2 vulnerability
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 24.04 LTS
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS

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.

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

--===============7209688828275611900==Content-Type: application/pgp-signature; name="signature.asc"
Content-Description: OpenPGP digital signature

 

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