Apache Traffic Server Memory Leak (HostDB SRV) up to 10.1.3
CVE-2026-58175 Published on July 29, 2026
Apache Traffic Server: HostDB SRV handling leaks memory
Apache Traffic Server leaks memory when handling HostDB SRV records.
This issue affects Apache Traffic Server: from 8.0.0 through 8.1.9, 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.
Vulnerability Analysis
CVE-2026-58175 can be exploited with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a high impact on availability.
Weakness Type
What is a Memory Leak Vulnerability?
The software does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory. This is often triggered by improper handling of malformed data or unexpectedly interrupted sessions. In some languages, developers are responsible for tracking memory allocation and releasing the memory. If there are no more pointers or references to the memory, then it can no longer be tracked and identified for release.
CVE-2026-58175 has been classified to as a Memory Leak vulnerability or weakness.
Products Associated with CVE-2026-58175
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Affected Versions
Apache Software Foundation Apache Traffic Server:- Version 8.0.0, <= 8.1.9 is affected.
- Version 9.0.0, <= 9.2.14 is affected.
- Version 10.0.0, <= 10.1.3 is affected.