USN-7469-1: Apache Traffic Server vulnerability

Publication date

28 April 2025

Overview

Apache Traffic Server could be made to crash if it received specially crafted network traffic.


Packages

  • trafficserver - fast, scalable and extensible HTTP/1.1 and HTTP/2.0 caching proxy

Details

It was discovered that Apache Traffic Server exhibited poor server
resource management in its HTTP/2 protocol. An attacker could possibly
use this issue to cause Apache Traffic Server to crash, resulting in
a denial of service.

It was discovered that Apache Traffic Server exhibited poor server
resource management in its HTTP/2 protocol. An attacker could possibly
use this issue to cause Apache Traffic Server to crash, resulting in
a denial of service.

Update instructions

After a standard system update you need to restart Apache Traffic Server to make all the necessary changes.

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release Package Version
22.04 jammy trafficserver –  9.1.1+ds-2ubuntu0.1~esm1  
trafficserver-dev –  9.1.1+ds-2ubuntu0.1~esm1  
20.04 focal trafficserver –  8.0.5+ds-3ubuntu0.1~esm1  
trafficserver-dev –  8.0.5+ds-3ubuntu0.1~esm1  

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