CVE-2026-22904

Severity
9.8CRITICAL
EPSS
0.2%
top 61.86%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedFeb 9

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 vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 3.9 | Impact: 5.9

Affected Packages2 packages

CVEListV5wago/0852-13220.0.02.64+1
CVEListV5wago/0852-13280.0.02.64+1

🔴Vulnerability Details

2
GHSA
GHSA-p2hc-xm25-6rh8: Improper length handling when parsing multiple cookie fields (including TRACKID) allows an unauthenticated remote attacker to send oversized cookie va2026-02-09
CVEList
Stack Overflow via Oversized Cookie Fields in lighttpd2026-02-09
CVE-2026-22904 (CRITICAL CVSS 9.8) | Improper length handling when parsi | cvebase.io