Vulnerability · Published Aug 20, 2025 · Assigned by harborist
CVE-2025-9287Missing type checks leading to hash rewind and passing on crafted data
Critical 9.1
In plain English
A critical-severity improper input validation in cipher-base. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.5% (higher than 46% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 4.0)9.1Critical
Exploit odds (30 days)0.5%top 53.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
Improper Input Validation vulnerability in cipher-base allows Input Data Manipulation.This issue affects cipher-base: through 1.0.4.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | node-cipher-base | 1.0.4-6+deb12u1 | DSA-5986-1 |
| Debian:12 | node-cipher-base | 1.0.4-6+deb12u1 | DEBIAN-CVE-2025-9287 |
| Debian:13 | node-cipher-base | 1.0.4-6+deb13u1 | DSA-5986-1 |
| Debian:13 | node-cipher-base | 1.0.4-6+deb13u1 | DEBIAN-CVE-2025-9287 |
| Debian:14 | node-cipher-base | 1.0.6-1 | DEBIAN-CVE-2025-9287 |
| Ubuntu:22.04:LTS | node-cipher-base | 1.0.4-6+deb13u1ubuntu0.22.04.1 | USN-7746-1 |
| Ubuntu:22.04:LTS | node-cipher-base | 1.0.4-6+deb13u1ubuntu0.22.04.1 | UBUNTU-CVE-2025-9287 |
| Ubuntu:24.04:LTS | node-cipher-base | 1.0.4-6+deb13u1ubuntu0.24.04.1 | USN-7746-1 |
| Ubuntu:24.04:LTS | node-cipher-base | 1.0.4-6+deb13u1ubuntu0.24.04.1 | UBUNTU-CVE-2025-9287 |
| npm | cipher-base | 1.0.5 | GHSA-cpq7-6gpm-g9rc |
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| cipher-base | 0 – through 1.0.4 |
Weakness: CWE-20 · Vector: CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:H/VA:H/SC:H/SI:H/SA:N