CVE-2026-2229
undici undici, Cryostat 4 on RHEL 9, Red Hat Enterprise Linux 10 취약점
ImpactThe undici WebSocket client is vulnerable to a denial-of-service attack due to improper validation of the server_max_window_bits parameter in the permessage-deflate extension. When a WebSocket client connects to a server, it automatically advertises support for permessage-deflate compression. A malicious server can respond with an out-of-range server_max_window_bits value (outside zlib's valid range of 8-15). When the server subsequently sends a compressed frame, the client attempts to create a zlib InflateRaw instance with the invalid windowBits value, causing a synchronous RangeErro...
- 대응 우선순위
- 점검
- CVSS
- 7.5
- EPSS
- 0.87% 백분위 55.4% · 2026.08.03 기준
- CISA KEV
- 미등록
- 조치 기한
- -
- 공개일
- 2026.03.13