What’s Vulnerable › Vulnerabilities
CVE-2026-22904: Stack Overflow via Oversized Cookie Fields in lighttpd
- Severity: critical (CVSS 9.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.6% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-02-09 · updated 2026-06-17
- Weakness: CWE-121
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.
Affected products
- WAGO 0852-1322: through 2.64; 2.64
- WAGO 0852-1328: through 2.64; 2.64
References
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