by Kastro
Paper/Archive/CVE-2025-6545

CVE-2025-6545

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

EPSS 0.4%public exploitCVSS 9.1
critical.is priorityof 100
45
CVSS 9.1 (CNA)9.1 / 10 × 3027.3Not in CISA KEV+300.0EPSS percentile 38.9.389 × 207.8Exploit: SSVC poc+1010.0SSVC exploitation: poc+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
pbkdf23.0.10 – 3.1.2–CNA

Scores by source

harborist (CNA)9.1CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:H/VA:N/SC:H/SI:H/SA:H
CISA ADPSSVCExploitation: poc · Automatable: no · Technical impact: partial

References

writeupgithub.com/browserify/pbkdf2/security/advisories/GHSA-h7cp-r72f-jxh6refgithub.com/browserify/pbkdf2/commit/9699045c37a07f8319cfb8d44e2ff4252d7a7078patchgithub.com/browserify/pbkdf2/commit/e3102a8cd4830a3ac85cd0dd011cc002fdde33bb