What’s Vulnerable › Vulnerabilities

CVE-2025-9287: Missing type checks leading to hash rewind and passing on crafted data

• Severity: critical (CVSS 9.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2025-08-20 · updated 2026-06-17
• Weakness: CWE-20

Description

Improper Input Validation vulnerability in cipher-base allows Input Data Manipulation.This issue affects cipher-base: through 1.0.4.

Affected products

• browserify Cipher-Base: through 1.0.4
• Npm Cipher-Base: before 1.0.5 — fixed in 1.0.5

How to fix

Upgrade to a fixed version: Npm Cipher-Base 1.0.5. Check the vendor advisory for mitigations.

References

• https://github.com/browserify/cipher-base/pull/23
• https://github.com/browserify/cipher-base/security/advisories/GHSA-cpq7-6gpm-g9rc
• https://lists.debian.org/debian-lts-announce/2025/09/msg00005.html
• https://github.com/browserify/cipher-base/security/advisories/GHSA-cpq7-6gpm-g9rc

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