#VU114762 Use-after-free in envoy - CVE-2025-54588

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Main Vulnerability Database Vulnerabilities #VU114762

#VU114762 Use-after-free in envoy - CVE-2025-54588

Published: September 3, 2025


Vulnerability identifier: #VU114762
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-2025-54588
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
envoy
Software vendor:
Cloud Native Computing Foundation

Description

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

The vulnerability exists due to a use-after-free error within the Dynamic Forward Proxy implementation when a completion callback for a DNS resolution triggers new DNS resolutions or removes existing pending resolutions. A remote attacker can perform a denial of service attack. 


Remediation

Install updates from vendor's website.

External links