CVE-2025-6545

pbkdf2 silently returns predictable uninitialized/zero-filled memory for non-normalized or unimplemented algos supported by Node.js

Description

Improper Input Validation vulnerability in pbkdf2 allows Signature Spoofing by Improper Validation. This vulnerability is associated with program files lib/to-buffer.Js. This issue affects pbkdf2: from 3.0.10 through 3.1.2.

Category

9.1
CVSS
Severity: Critical
CVSS 4.0 •
EPSS 0.04%
Third-Party Advisory github.com
Published at:
Updated at:

References

Link Tags
https://github.com/browserify/pbkdf2/security/advisories/GHSA-h7cp-r72f-jxh6 third party advisory
https://github.com/browserify/pbkdf2/commit/9699045c37a07f8319cfb8d44e2ff4252d7a7078
https://github.com/browserify/pbkdf2/commit/e3102a8cd4830a3ac85cd0dd011cc002fdde33bb patch

Frequently Asked Questions

What is the severity of CVE-2025-6545?
CVE-2025-6545 has been scored as a critical severity vulnerability.
How to fix CVE-2025-6545?
To fix CVE-2025-6545, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-6545 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-6545 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-6545?
CVE-2025-6545 affects .
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