CVE-2025-36504: BIG-IP HTTP/2 vulnerability
First published: Wed May 07 2025(Updated: )
When a BIG-IP HTTP/2 httprouter profile is configured on a virtual server, undisclosed responses can cause an increase in memory resource utilization.
Credit: f5sirt@f5.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| F5 BIG-IP Next (LTM) | >=20.2.0<=20.2.1 | 20.3.0 |
| F5 BIG-IP Next | 2.0.0 | |
| F5 BIG-IP Next | >=1.7.0<=1.9.2 | |
| F5 BIG-IP Next | 2.0.0 | |
| F5 BIG-IP Next | >=1.1.0<=1.4.1 | |
| F5 BIG-IP and BIG-IQ Centralized Management | >=17.1.0<=17.1.1 | 17.1.2 |
| F5 BIG-IP and BIG-IQ Centralized Management | >=16.1.0<=16.1.5 | 16.1.6 |
| F5 BIG-IP and BIG-IQ Centralized Management |
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2025-36504?
CVE-2025-36504 has not publicly specified its severity level, but it can lead to increased memory resource utilization in affected systems.
How do I fix CVE-2025-36504?
To mitigate CVE-2025-36504, upgrade to the recommended versions of F5 BIG-IP software as per the vendor's advisory.
Which versions of F5 BIG-IP are affected by CVE-2025-36504?
CVE-2025-36504 affects specific versions of F5 BIG-IP, including 20.2.0 to 20.3.0, and a range of versions for BIG-IP Next SPK and CNF.
What impact does CVE-2025-36504 have on my F5 BIG-IP system?
CVE-2025-36504 can cause an increase in memory resource utilization due to undisclosed responses when the HTTP/2 httprouter profile is configured.
Is there a workaround for CVE-2025-36504 if I cannot update my system?
Currently, no specific workaround for CVE-2025-36504 has been publicly disclosed, making an upgrade the recommended response.
- collector/f5-advisory
- source/F5
- alias/CVE-2025-36504
- agent/software-canonical-lookup
- agent/references
- agent/first-publish-date
- agent/softwarecombine
- collector/mitre-cve
- source/MITRE
- agent/title
- agent/weakness
- agent/type
- agent/description
- collector/nvd-api
- source/NVD
- agent/last-modified-date
- agent/severity
- agent/source
- agent/author
- agent/tags
- agent/event
- vendor/f5
- canonical/f5 big-ip next (ltm)
- version/f5 big-ip next (ltm)/20.2.0
- version/f5 big-ip next (ltm)/20.2.1
- canonical/f5 big-ip next
- version/f5 big-ip next/1.7.0
- version/f5 big-ip next/1.9.2
- version/f5 big-ip next/1.1.0
- version/f5 big-ip next/1.4.1
- canonical/f5 big-ip and big-iq centralized management
- version/f5 big-ip and big-iq centralized management/17.1.0
- version/f5 big-ip and big-iq centralized management/17.1.1
- version/f5 big-ip and big-iq centralized management/16.1.0
- version/f5 big-ip and big-iq centralized management/16.1.5