CVE-2026-58158

Apache Traffic Server mishandles PROXY protocol input, truncating ports and overflowing the stack. This issue affects Apache Traffic Server: from 8.0.0 through 8.1.11, 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.

Score

CVSS 4.0 8.2 High

Status

Modified - security@apache.org

Published

2026-07-29

Last modified

2026-10-01

Weaknesses

CWE-121

Affected products

• Traffic Server (Apache)
• Apache Traffic Server (Apache Software Foundation)

References

• https://lists.apache.org/thread/5prl9glcm9g2swnq9hqxvnokylm1gr6d