CVE-2026-58184: Apache Traffic Server: header_rewrite plugin cookie handling can corrupt memory

Published Jul 29, 2026
·
Updated

The Apache Traffic Server headerrewrite plugin can crash or corrupt memory during cookie operations and CIDR condition matching.

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.

Affected Software

4 affected components
Apache Traffic Server>=8.0.0<=8.1.9, >=9.0.0<=9.2.14, >=10.0.0<=10.1.3
Apache Traffic Server>=8.0.0<=8.1.9
Apache Traffic Server>=9.0.0<9.2.15
Apache Traffic Server>=10.0.0<10.1.4

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade Apache Traffic Server to a version that resolves this vulnerability.

    Fixed in 9.2.15
  2. Upgrade

    Upgrade Apache Traffic Server to a version that resolves this vulnerability.

    Fixed in 10.1.4

Event History

Jul 29, 2026
CVE Published
via MITRE·08:56 AM
Data Sourced
via MITRE·08:56 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·10:16 AM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2026-58184?

CVE-2026-58184 has a severity rating of high, with a score of 8.2.

2

How do I fix CVE-2026-58184?

To mitigate CVE-2026-58184, upgrade Apache Traffic Server to version 9.2 or later.

3

What systems are affected by CVE-2026-58184?

CVE-2026-58184 affects Apache Traffic Server versions from 8.0.0 through 8.1.9, 9.0.0 through 9.2.14, and 10.0.0 through 10.1.3.

4

What type of vulnerability is CVE-2026-58184?

CVE-2026-58184 is a vulnerability in the header_rewrite plugin of Apache Traffic Server that can lead to memory corruption.

5

What should I do if I cannot upgrade to fix CVE-2026-58184?

If upgrading is not possible, consider disabling the header_rewrite plugin to prevent memory corruption issues related to CVE-2026-58184.

Contact

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