PT-2026-65749 · Apache · Apache Traffic Server

Omkhar Arasaratnam

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CVE-2026-58161

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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 The software can crash due to null dereferences and dangling references during the handling of TLS (Transport Layer Security) and SNI (Server Name Indication).
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

NULL Pointer Dereference

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Weakness Enumeration

CWE-476

Related Identifiers

CVE-2026-58161
OESA-2026-3309
OESA-2026-3310
OESA-2026-3311

Affected Products

Apache Traffic Server