CRITICALCVE-2026-22903Published Modified CNA CERTVDE
CVE-2026-22903: Stack Overflow via SESSIONID Cookie in lighttpd
An unauthenticated remote attacker can send a crafted HTTP request containing an overly long SESSIONID cookie. This can trigger a stack buffer overflow in the modified lighttpd server, causing it to crash and potentially enabling remote code execution due to missing stack protections.
Metrics
- CVSS v3.1
- 9.8
- Severity
- CRITICAL
- Fixed in
- —
- Affected Products
- 4
Affected packages
- WAGO / 0852-1322≤ 2.64
- WAGO / 0852-1328≤ 2.64
- WAGO / 0852-13222.64
- WAGO / 0852-13282.64
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HReferences