Apache Traffic Server 9.2.15/10.1.4/10.2.0 resource consumption

Summaryinfo

A vulnerability categorized as problematic has been discovered in Apache Traffic Server 9.2.15/10.1.4/10.2.0. This issue affects some unknown processing. Executing a manipulation can lead to resource consumption. This vulnerability appears as CVE-2026-111810. The attack may be performed from remote. There is no available exploit. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability was found in Apache Traffic Server 9.2.15/10.1.4/10.2.0. It has been declared as problematic. This vulnerability affects an unknown functionality. The manipulation with an unknown input leads to a resource consumption vulnerability. The CWE definition for the vulnerability is CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. As an impact it is known to affect availability. CVE summarizes:

Apache Traffic Server 9.2.15, 10.1.4 and 10.2.0 write one unthrottled diagnostic log line for every internal @ header they strip, so a request carrying many such headers makes the proxy write far more log data than the request contains. This issue affects Apache Traffic Server: 9.2.15, 10.1.4, 10.2.0. Users are recommended to upgrade to version 9.2.16, 10.1.5, or 10.2.1, which fix the issue.

The advisory is available at lists.apache.org. This vulnerability was named CVE-2026-111810 since 10/16/2026. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 10/21/2026). This vulnerability is assigned to T1499 by the MITRE ATT&CK project.

Upgrading to version 9.2.16, 10.1.5 or 10.2.1 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2026-107501). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Vendor

• Apache

Name

• Traffic Server

Version

• 9.2.15
• 10.1.4
• 10.2.0

License

• open-source

Website

• Vendor: https://www.apache.org/

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If you want to get best quality of vulnerability data, you may have to visit VulDB.

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