CVE-2026-22904
Stack Overflow via Oversized Cookie Fields in lighttpd
- State
- Published
- Severity
- 9.8 Critical
- Published
- Feb 9, 2026
- Updated
- Feb 9, 2026
- Reserved
- Jan 13, 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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 9.8 Critical | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | CERTVDE |
Weaknesses
- CWE-121 Stack-based Buffer Overflow
Affected Products
| Product | Versions |
|---|---|
0852-1322WAGO |
|
0852-1328WAGO |
|
0852-1322WAGO |
|
0852-1328WAGO |
|
References
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