漏洞信息
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Vulnerability Title
Unbounded body accumulation in HTTP/3 response loop in hackney
Vulnerability Description
Allocation of Resources Without Limits or Throttling vulnerability in benoitc hackney allows Flooding. hackney_h3:await_response_loop/6 accumulates the HTTP/3 response body in memory without any size cap. The after Timeout clause is a per-message inactivity timer that resets on every received chunk, housekeeping message, or settings frame — it is not a wall-clock deadline. A malicious HTTP/3 server that emits one small chunk every Timeout - 1 ms with Fin = false and never sends a final frame keeps the loop alive indefinitely while the accumulation buffer grows linearly without bound, eventually exhausting the BEAM process heap and causing an out-of-memory condition.
This issue affects hackney: from 2.0.0 before 4.0.1.
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N
Vulnerability Type
未加控制的资源消耗(资源穷尽)
Vulnerability Title
Hackney 安全漏洞
Vulnerability Description
Hackney是Hackney公司的一个程序库。 Hackney 2.0.0至4.0.1之前版本存在安全漏洞,该漏洞源于HTTP/3响应体累积无大小限制,可能导致资源耗尽。
CVSS Information
N/A
Vulnerability Type
N/A