CVE-2025-58136 Apache Traffic Server: A simple legitimate POST request causes a crash
A bug in POST request handling causes a crash, allowing attackers to disrupt service availability in Apache Traffic Server.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2025-58136?
CVE-2025-58136 is a high-severity denial of service vulnerability in Apache Traffic Server, published on 2 Apr 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
A bug in POST request handling causes a crash under a certain condition.
This issue affects Apache Traffic Server: from 10.0.0 through 10.1.1, from 9.0.0 through 9.2.12.
Users are recommended to upgrade to version 10.1.2 or 9.2.13, which fix the issue.
A workaround for older versions is to set proxy.config.http.request_buffer_enabled to 0 (the default value is 0).
Weakness: CWE-670
Which versions are affected by CVE-2025-58136?
It affects 1 product.
Products include Apache Traffic Server.
How do I fix CVE-2025-58136?
Upgrade to a fixed version.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2025-58136 being exploited?
There is no known exploitation of CVE-2025-58136 in the wild and no public exploit code.
Other vulnerabilities in Apache Traffic Server
Sources
Also known as DEBIAN-CVE-2025-58136, GHSA-wvq7-4f7c-q7wc, OESA-2026-2384, UBUNTU-CVE-2025-58136.