Critical severity · published Aug 20, 2025
CVE-2025-9287
Missing type checks leading to hash rewind and passing on crafted data
9.1
CVSS
0.5%
EPSS
No
On KEV
Description
Improper Input Validation vulnerability in cipher-base allows Input Data Manipulation.This issue affects cipher-base: through 1.0.4.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 46% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CI
Cipher-base · Browserify
through 1.0.4 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-9287
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-9287
Issue Tracking
https://github.com/browserify/cipher-base/pull/23
Exploit
https://github.com/browserify/cipher-base/security/advisories/GHSA-cpq7-6gpm-g9rc
lists.debian.org
https://lists.debian.org/debian-lts-announce/2025/09/msg00005.html