CVE-2026-58184

HIGHCVSS 7.5/10EPSS 0.35%

Last modified

CVE-2026-58184 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. The Apache Traffic Server header_rewrite 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.. EPSS estimates a 0.35% chance of exploitation in the next 30 days.

Description

The Apache Traffic Server header_rewrite 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.

Metrics

Weakness Enumeration

Affected Software

VendorProductVersions
ApacheTraffic Server>= 8.0.0, <= 8.1.9
ApacheTraffic Server>= 9.0.0, < 9.2.15
ApacheTraffic Server>= 10.0.0, < 10.1.4

References

Timeline

Published
Last Modified
Status
Analyzed

Frequently Asked Questions

What is CVE-2026-58184?
The Apache Traffic Server header_rewrite 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.
How severe is CVE-2026-58184?
CVE-2026-58184 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.35% probability of exploitation in the next 30 days.
How do I fix CVE-2026-58184?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST