PT-2026-65746 · Apache · Apache Traffic Server

Apache Community

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CVE-2026-58158

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Published

2026-07-29

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Updated

2026-08-07

CVSS v4.0

8.2

High

VectorAV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Name of the Vulnerable Software and Affected Versions Apache Traffic Server versions 8.0.0 through 8.1.9 Apache Traffic Server versions 9.0.0 through 9.2.14 Apache Traffic Server versions 10.0.0 through 10.1.3
Description Apache Traffic Server mishandles PROXY protocol input, which leads to the truncation of ports and a stack overflow. A stack overflow occurs when a program uses more stack space than is available, potentially causing the application to crash.
Recommendations Upgrade Apache Traffic Server versions 8.0.0 through 9.2.14 to version 9.2.15. Upgrade Apache Traffic Server versions 10.0.0 through 10.1.3 to version 10.1.4.

Exploit

Fix

DoS

Stack Overflow

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Weakness Enumeration

CWE-121

Related Identifiers

CVE-2026-58158
OESA-2026-3309
OESA-2026-3310
OESA-2026-3311

Affected Products

Apache Traffic Server