CVE-2026-22904

CriticalCVSS 9.8/10Last modified Jun 17, 2026

Description

Improper length handling when parsing multiple cookie fields (including TRACKID) allows an unauthenticated remote attacker to send oversized cookie values and trigger a stack buffer overflow, resulting in a denial‑of‑service condition and possible remote code execution.

Metrics

CVSS 3.1 9.8/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Feb 9, 2026
Last modified
Jun 17, 2026
NVD status
Deferred

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CVE-2026-22904: Critical severity, CVSS 9.8 | Vulnix