CVE-2025-6545

9.1 criticalEPSS 0.4%

Critical (9.1). EPSS 0.4% chance of exploitation in the next 30 days. Fixed in pbkdf2 3.1.3.

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.

Severity

CVSS 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

EPSS: 0.4% chance of exploitation in the next 30 days; higher than 38% of CVEs (scores of 2026-10-31)
CWE: CWE-20
Published: 2025-06-23
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Packages (OSV)

Advisory	Ecosystem	Package	Affected	Fixed in
GHSA-h7cp-r72f-jxh6	npm	pbkdf2	>=3.0.10 <3.1.3	3.1.3

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

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