CVE-2026-58185: Apache Traffic Server: Use-after-free in the intercept plugin

Published Jul 29, 2026
·
Updated

The Apache Traffic Server intercept plugin has a use-after-free.

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 to a fixed release to a version that resolves this vulnerability.

    Fixed in 9.2.15
  2. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 10.1.4

Event History

Jul 29, 2026
CVE Published
via MITRE·08:57 AM
Data Sourced
via MITRE·08:57 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-2026-58185?

The severity of CVE-2026-58185 is classified as medium with a score of 5.9.

2

What is CVE-2026-58185 about?

CVE-2026-58185 is a use-after-free vulnerability found in the Apache Traffic Server intercept plugin.

3

How do I fix CVE-2026-58185?

To fix CVE-2026-58185, users should upgrade to Apache Traffic Server version 9.2.15 or 10.1.4.

4

Which versions of Apache Traffic Server are affected by CVE-2026-58185?

CVE-2026-58185 affects Apache Traffic Server versions from 8.0.0 through 8.1.9, from 9.0.0 through 9.2.14, and from 10.0.0 through 10.1.3.

5

What impact does CVE-2026-58185 have on Apache Traffic Server?

CVE-2026-58185 can lead to potential denial-of-service conditions due to the use-after-free issue.

Contact

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