Detection-and-Mitigation-script-for-CVE-2021-42717

Detection-and-Mitigation-script-for-CVE-2021-42717 用于 CVE-2021-42717 的检测与缓解脚本 - ModSecurity JSON 解析中的 DoS 漏洞 ModSecurity 3.x 至 3.0.5 错误处理了过度嵌套的 JSON 对象。精心构造的 JSON 对象可嵌套数万层深，可能导致 Web 服务器无法为合法请求提供服务。即使是一个中等大小（例如 300KB）的 HTTP 请求，也可能占用有限的 NGINX 工作进程之一长达数分钟，并消耗机器上几乎全部可用的 CPU。ModSecurity 2...

CVE-2025-53864

CVE-2025-53864 is described as a denial of service vulnerability in Nimbus JOSE + JWT where a deeply nested JSON object in a JWT claim set can trigger uncontrolled recursion. IBM security notices cite affected product lines and versions, for example IBM API Connect (OnPrem) v12.1.0.0 and Jazz Fou...

CVE-2021-42717: Uncontrolled Recursion

ModSecurity 3.x through 3.0.5 mishandles excessively nested JSON objects. Crafted JSON objects with nesting tens-of-thousands deep could result in the web server being unable to service legitimate requests. Even a moderately large e.g., 300KB HTTP request can occupy one of the limited NGINX worke...