#VU116215 Out-of-bounds read in OpenSSL - CVE-2025-9232

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Main Vulnerability Database Vulnerabilities #VU116215

#VU116215 Out-of-bounds read in OpenSSL - CVE-2025-9232

Published: October 1, 2025


Vulnerability identifier: #VU116215
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2025-9232
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
OpenSSL
Software vendor:
OpenSSL Software Foundation

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a boundary condition in OpenSSL HTTP client API functions if the "no_proxy" environment variable is set and the host portion of the authority component of the HTTP URL is an IPv6 address. A remote attacker can pass specially crafted data to the application and perform a denial of service (DoS) attack.


Remediation

Install updates from vendor's website.

External links