cnvd-2025-23735
Vulnerability from cnvd
Title
Gnu glibc拒绝服务漏洞
Description
Gnu glibc是Linux系统中用于实现C语言标准库的核心组件，为应用程序提供底层API支持，遵循POSIX和ISO C标准。 Gnu glibc存在拒绝服务漏洞，该漏洞源于GNU C库中的end_pattern允许上下文相关攻击，攻击者可利用该漏洞导致应用程序因崩溃而拒绝服务。
Severity
中
Patch Name
Gnu glibc拒绝服务漏洞的补丁
Patch Description
Gnu glibc是Linux系统中用于实现C语言标准库的核心组件，为应用程序提供底层API支持，遵循POSIX和ISO C标准。 Gnu glibc存在拒绝服务漏洞，该漏洞源于GNU C库中的end_pattern允许上下文相关攻击，攻击者可利用该漏洞导致应用程序因崩溃而拒绝服务。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。
Formal description

目前厂商已发布升级程序修复该安全问题，详情见厂商官网： https://sourceware.org/bugzilla/show_bug.cgi?id=18036

Reference
https://nvd.nist.gov/vuln/detail/CVE-2015-20109
Impacted products
Name
Gnu glibc <2.22
Show details on source website

To clipboard 

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2015-20109",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2015-20109"
    }
  },
  "description": "Gnu glibc\u662fLinux\u7cfb\u7edf\u4e2d\u7528\u4e8e\u5b9e\u73b0C\u8bed\u8a00\u6807\u51c6\u5e93\u7684\u6838\u5fc3\u7ec4\u4ef6\uff0c\u4e3a\u5e94\u7528\u7a0b\u5e8f\u63d0\u4f9b\u5e95\u5c42API\u652f\u6301\uff0c\u9075\u5faaPOSIX\u548cISO C\u6807\u51c6\u3002\n\nGnu glibc\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8eGNU C\u5e93\u4e2d\u7684end_pattern\u5141\u8bb8\u4e0a\u4e0b\u6587\u76f8\u5173\u653b\u51fb\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u5e94\u7528\u7a0b\u5e8f\u56e0\u5d29\u6e83\u800c\u62d2\u7edd\u670d\u52a1\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u7a0b\u5e8f\u4fee\u590d\u8be5\u5b89\u5168\u95ee\u9898\uff0c\u8be6\u60c5\u89c1\u5382\u5546\u5b98\u7f51\uff1a\r\nhttps://sourceware.org/bugzilla/show_bug.cgi?id=18036",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2025-23735",
  "openTime": "2025-10-14",
  "patchDescription": "Gnu glibc\u662fLinux\u7cfb\u7edf\u4e2d\u7528\u4e8e\u5b9e\u73b0C\u8bed\u8a00\u6807\u51c6\u5e93\u7684\u6838\u5fc3\u7ec4\u4ef6\uff0c\u4e3a\u5e94\u7528\u7a0b\u5e8f\u63d0\u4f9b\u5e95\u5c42API\u652f\u6301\uff0c\u9075\u5faaPOSIX\u548cISO C\u6807\u51c6\u3002\r\n\r\nGnu glibc\u5b58\u5728\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8eGNU C\u5e93\u4e2d\u7684end_pattern\u5141\u8bb8\u4e0a\u4e0b\u6587\u76f8\u5173\u653b\u51fb\uff0c\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u5bfc\u81f4\u5e94\u7528\u7a0b\u5e8f\u56e0\u5d29\u6e83\u800c\u62d2\u7edd\u670d\u52a1\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "Gnu glibc\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "Gnu glibc \u003c2.22"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2015-20109",
  "serverity": "\u4e2d",
  "submitTime": "2023-08-25",
  "title": "Gnu glibc\u62d2\u7edd\u670d\u52a1\u6f0f\u6d1e"
}


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