#VU115137 Use of insufficiently random values in cURL - CVE-2025-10148
Published: September 10, 2025
Vulnerability identifier: #VU115137
Vulnerability risk: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:A/VC:N/VI:N/VA:N/SC:N/SI:L/SA:N/E:U/U:Clear
CVE-ID: CVE-2025-10148
CWE-ID: CWE-330
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
cURL
cURL
Software vendor:
curl.haxx.se
curl.haxx.se
Description
The vulnerability allows a remote attacker to perform cache poisoning.
The vulnerability exists due to the websocket code does not update the 32 bit mask pattern for each new outgoing frame as the specification says.Instead it used a fixed mask that persisted and was used throughout the entire connection. As a result, a malicious server can induce traffic between the two communicating parties that can be interpreted by an involved proxy and poison cached content.
Remediation
Install updates from vendor's website.