CVE-2026-58154: Apache Traffic Server: Memory-safety errors in MIME and header parsing

Published Jul 29, 2026
·
Updated

Apache Traffic Server can write out of bounds or overflow integers while parsing MIME and HTTP headers.

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·08:24 AM
Data Sourced
via MITRE·08:24 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·09:16 AM
DescriptionSeverityWeaknessAffected Software
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the severity of CVE-2026-58154?

The severity of CVE-2026-58154 is rated as high with a score of 8.9.

2

How do I fix CVE-2026-58154?

To fix CVE-2026-58154, users should upgrade to Apache Traffic Server version 9.2.15 or 10.1.4.

3

What types of errors are associated with CVE-2026-58154?

CVE-2026-58154 is associated with memory-safety errors in MIME and HTTP header parsing.

4

Which versions of Apache Traffic Server are affected by CVE-2026-58154?

CVE-2026-58154 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.

5

What impact can CVE-2026-58154 have on my system?

CVE-2026-58154 can potentially lead to out-of-bounds writes or integer overflows, compromising the integrity and security of the system.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203