SB2025081452 - HTTP/2 Made You Reset Attack in F5 BIG-IP Next for Kubernetes 



SB2025081452 - HTTP/2 Made You Reset Attack in F5 BIG-IP Next for Kubernetes

Published: August 14, 2025

Security Bulletin ID SB2025081452
Severity
Medium
Patch available
NO
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Resource exhaustion (CVE-ID: CVE-2025-54500)

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

The vulnerability exists due to application does not properly control consumption of internal resources when handling HTTP/2 requests. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.

The vulnerability was dubbed HTTP/2 Made You Reset Attack.


Remediation

Cybersecurity Help is not aware of any official remediation provided by the vendor.