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 …
Published: 2026-02-09 · CVSS: 9.8 · CVSS 3.1
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7