SB2026031356 - F5OS update for Go



SB2026031356 - F5OS update for Go

Published: March 13, 2026

Security Bulletin ID SB2026031356
CSH Severity
Medium
Patch available
YES
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 vulnerability.


1) Resource exhaustion (CVE-ID: CVE-2025-58187)

CWE-ID: CWE-400 - Resource exhaustion

CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green


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

The vulnerability exists due to quadratic complexity when checking name constraints in crypto/x509. A remote attacker can pass a specially crafted x509 certificate to the application and trigger resource exhaustion. 


Remediation

Install update from vendor's website.