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Vulnerability record · CVE-2026-22904 · published 9 February 2026

CVE-2026-22904: Stack-based buffer overflow vulnerability

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.

9.8 CVSS 3.1 Critical EPSS 0.56% · top 55.5% CWE-121 · Stack-based buffer overflow Deferred
9.8CVSS 3.1 base score
0.56%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
1References
17 Jun 2026Last modified by NVD

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.

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

References

LinkTags
https://certvde.com/de/advisories/VDE-2026-004

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Source: NIST National Vulnerability Database (record CVE-2026-22904), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.