CVE-2025-6545

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

CVSS 9.1 CRITICALEPSS 0.4%CWE-20

Vexday Risk Score

28Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 9.1EPSS 0.4%KEV nãoPoC —Nuclei —Metasploit —Patch referenciado

Lifecycle

23 Jun 2025Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

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

Affected products

pbkdf2

References

https://github.com/browserify/pbkdf2/commit/9699045c37a07f8319cfb8d44e2ff4252d7a7078 https://github.com/browserify/pbkdf2/commit/e3102a8cd4830a3ac85cd0dd011cc002fdde33bb https://github.com/browserify/pbkdf2/security/advisories/GHSA-h7cp-r72f-jxh6