Out-of-Bounds Read in Apache Traffic Server

Publication date: 2026-07-29

Last updated on: 2026-07-29

Assigner: Apache Software Foundation

Description

Apache Traffic Server reads out of bounds while parsing DNS answers. This issue affects Apache Traffic Server: from 8.0.0 through 8.1.9, 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.

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-07-29

Last Modified

2026-07-29

Generated

2026-07-30

AI Q&A

2026-07-30

EPSS Evaluated

N/A

NVD

CVE-2026-58160

Affected Vendors & Products

Vendor	Product	Version / Range
apache	traffic_server	From 8.0.0 (inc) to 8.1.9 (inc)
apache	traffic_server	From 9.0.0 (inc) to 9.2.14 (inc)
apache	traffic_server	From 10.0.0 (inc) to 10.1.3 (inc)
apache	traffic_server	9.2.15
apache	traffic_server	10.1.4

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-125	The product reads data past the end, or before the beginning, of the intended buffer.

Attack-Flow Graph

Executive Summary

Apache Traffic Server has a vulnerability where it reads out of bounds while parsing DNS answers. This means it may access memory outside the expected range when processing DNS responses, potentially leading to crashes or unexpected behavior.

Impact Analysis

This vulnerability could cause Apache Traffic Server to crash or behave unpredictably. It may also lead to denial of service if exploited, as the server might stop responding to requests due to memory corruption.

Mitigation Strategies

Upgrade Apache Traffic Server to version 9.2.15 or 10.1.4, which contain fixes for this issue. The vulnerability affects versions 8.0.0 through 8.1.9, 9.0.0 through 9.2.14, and 10.0.0 through 10.1.3.

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