Apache Traffic Server up to 8.1.9/9.2.14/10.1.3 memory leak

Summaryinfo

A vulnerability marked as critical has been reported in Apache Traffic Server up to 8.1.9/9.2.14/10.1.3. The affected element is an unknown function. This manipulation causes memory leak. This vulnerability is registered as CVE-2026-58175. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability has been found in Apache Traffic Server up to 8.1.9/9.2.14/10.1.3 and classified as critical. Affected by this vulnerability is an unknown code. The manipulation with an unknown input leads to a memory leak vulnerability. The CWE definition for the vulnerability is CWE-401. The product does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

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.

It is possible to read the advisory at lists.apache.org. This vulnerability is known as CVE-2026-58175 since 06/29/2026. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 07/29/2026). The attack technique deployed by this issue is T1499 according to MITRE ATT&CK.

Upgrading to version 9.2.15 or 10.1.4 eliminates this vulnerability.

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Productinfo

Vendor

• Apache

Name

• Traffic Server

Version

• 8.1.0
• 8.1.1
• 8.1.2
• 8.1.3
• 8.1.4
• 8.1.5
• 8.1.6
• 8.1.7
• 8.1.8
• 8.1.9
• 9.2.0
• 9.2.1
• 9.2.2
• 9.2.3
• 9.2.4
• 9.2.5
• 9.2.6
• 9.2.7
• 9.2.8
• 9.2.9
• 9.2.10
• 9.2.11
• 9.2.12
• 9.2.13
• 9.2.14
• 10.1.0
• 10.1.1
• 10.1.2
• 10.1.3

License

• open-source

Website

• Vendor: https://www.apache.org/

CPE 2.3info

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