CVE-2026-58152 Apache Traffic Server: Integer-handling errors in HPACK/XPACK decoding corrupt memory
Attackers can corrupt memory via crafted HPACK/XPACK headers in Apache Traffic Server, potentially leading to code execution or crashes.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-58152?
CVE-2026-58152 is a medium-severity vulnerability in Apache Traffic Server, published on 29 Jul 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Apache Traffic Server mishandles integers while decoding HPACK/XPACK headers, corrupting memory.
This issue affects Apache Traffic Server: from 8.0.0 through 8.1.11, from 9.0.0 through 9.2.14, from 10.0.0 through 10.1.3.
Users are recommended to upgrade to version 9.2.15 or 10.1.4, which fix the issue.
Weakness: CWE-190
Which versions are affected by CVE-2026-58152?
It affects 1 product.
Products include Apache Traffic Server.
How do I fix CVE-2026-58152?
Upgrade to a fixed version.
Is CVE-2026-58152 being exploited?
There is no known exploitation of CVE-2026-58152 in the wild and no public exploit code.
Other vulnerabilities in Apache Traffic Server
Sources
Also known as DEBIAN-CVE-2026-58152, GHSA-3mm3-f2hp-jpcj, UBUNTU-CVE-2026-58152.