CVE-2026-58160 Apache Traffic Server: Out-of-bounds reads while parsing DNS responses
Attackers can trigger out-of-bounds reads in Apache Traffic Server by sending malicious DNS responses, potentially causing crashes or leaking memory.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2026-58160?
CVE-2026-58160 is a medium-severity memory corruption 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 reads out of bounds while parsing DNS answers.
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-125
Which versions are affected by CVE-2026-58160?
It affects 1 product.
Products include Apache Traffic Server.
How do I fix CVE-2026-58160?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-58160 being exploited?
There is no known exploitation of CVE-2026-58160 in the wild and no public exploit code.
Other vulnerabilities in Apache Traffic Server
Sources
Also known as DEBIAN-CVE-2026-58160, GHSA-rx45-8hxf-g37v, UBUNTU-CVE-2026-58160.