CVE-2025-6545

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

State: Published
Severity: 9.1 Critical
Published: Jun 23, 2025
Updated: Jun 23, 2025
Reserved: Jun 23, 2025

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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.

Scores

CVSS	Score	Vector	Source
4.0	9.1 Critical	CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:H/VA:N/SC:H/SI:H/SA:H	harborist

Weaknesses

CWE-20 Improper Input Validation

Affected Products

Product	Versions
pbkdf2	3.0.10 through 3.1.2Affected

References

https://github.com/browserify/pbkdf2/security/advisories/GHSA-h7cp-r72f-jxh6third-party-advisory
https://github.com/browserify/pbkdf2/commit/9699045c37a07f8319cfb8d44e2ff4252d7a7078
https://github.com/browserify/pbkdf2/commit/e3102a8cd4830a3ac85cd0dd011cc002fdde33bbpatch

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