Stack Exhaustion Vulnerability in Apache Traffic Server
CVE-2026-58181

8.2HIGH

Key Information:

Vendor

Apache
Status
Apache Traffic Server
Vendor
CVE Published:
29 July 2026

What is CVE-2026-58181?

A vulnerability exists in the Apache Traffic Server due to insufficient handling of inputs in the uri_signing and url_sig plugins, which may lead to stack exhaustion or crashes. This flaw could be exploited by attackers to disrupt service availability, indicating a need for immediate patching. Users should upgrade to version 9.2.15 or 10.1.4 to eliminate the security risks associated with this vulnerability.

Affected Version(s)

Apache Traffic Server 8.0.0 <= 8.1.9

Apache Traffic Server 9.0.0 <= 9.2.14

Apache Traffic Server 10.0.0 <= 10.1.3

References

https://lists.apache.org/thread/5prl9glcm9g2swnq9hqxvnoky...
vendor-advisory

CVSS V4

Score:
8.2
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
Physical
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Apache Community
Omkhar Arasaratnam
.