PT-2026-65752 · Apache · Apache Traffic Server

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CVE-2026-58164

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Published

2026-07-29

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Updated

2026-08-07

CVSS v4.0

9.2

Critical

VectorAV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
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 Use-after-free and time-of-check/time-of-use errors exist in the remap configuration handling. Use-after-free occurs when a program continues to use a pointer after it has been freed, and time-of-check/time-of-use is a race condition where a resource is modified between the time it is checked and the time it is used.
Recommendations Upgrade versions 8.0.0 through 8.1.9 and 9.0.0 through 9.2.14 to version 9.2.15. Upgrade versions 10.0.0 through 10.1.3 to version 10.1.4.

Exploit

Fix

DoS

Use After Free

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Weakness Enumeration

Related Identifiers

CVE-2026-58164
OESA-2026-3309
OESA-2026-3310
OESA-2026-3311

Affected Products

Apache Traffic Server