---
id: CVE-2025-55036
title: "When BIG-IP SSL Orchestrator explicit forward proxy is configured on a virtual server and the proxy connect feature is enabled, undisclosed traffic may cause memory corruption.\_\_Note: Software versions which have reached End of Technical…"
summary: "When BIG-IP SSL Orchestrator explicit forward proxy is configured on a virtual server and the proxy connect feature is enabled, undisclosed traffic may cause memory corruption.\_\_Note: Software versions which have reached End of Technical…"
severity: high
cvss: 7.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H'
cwe:
  - CWE-787
vendor: f5
product: big-ip_ssl_orchestrator
affected:
  - 'big-ip_ssl_orchestrator >= 15.1.0, < 15.1.10.8'
  - 'big-ip_ssl_orchestrator >= 16.1.0, < 16.1.6'
  - 'big-ip_ssl_orchestrator >= 17.1.0, < 17.1.3'
patched:
  - big-ip_ssl_orchestrator 17.1.3
published: '2025-10-15'
updated: '2026-10-08'
sourceUpdated: '2026-10-08T12:10:00.217'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-55036'
references:
  - url: 'https://my.f5.com/manage/s/article/K000151368'
    label: f5sirt@f5.com
tags:
  - nvd
epss: 0.00348
epssPercentile: 0.26246
ingestedAt: '2026-10-08T11:31:27.432Z'
---

## Overview

When BIG-IP SSL Orchestrator explicit forward proxy is configured on a virtual server and the proxy connect feature is enabled, undisclosed traffic may cause memory corruption.  Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.

## Affected

- `big-ip_ssl_orchestrator >= 15.1.0, < 15.1.10.8`
- `big-ip_ssl_orchestrator >= 16.1.0, < 16.1.6`
- `big-ip_ssl_orchestrator >= 17.1.0, < 17.1.3`

## Remediation

Upgrade past the affected range:

- `big-ip_ssl_orchestrator 17.1.3`