CVE-2021-3537

一、漏洞信息
 漏洞编号：[CVE-2021-3537](https://nvd.nist.gov/vuln/detail/CVE-2021-3537)
 漏洞归属组件：libxml2
 漏洞归属的版本：2.9.10,2.9.8,2.9.9
 CVSS V3.0分值：
  BaseScore：5.9 Medium
  Vector：CVSS：3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
 漏洞简述：
  A vulnerability found in libxml2 in versions before 2.9.11 shows that it did not propagate errors while parsing XML mixed content, causing a NULL dereference. If an untrusted XML document was parsed in recovery mode and post-validated, the flaw could be used to crash the application. The highest threat from this vulnerability is to system availability.
 漏洞公开时间：2021-05-15 04:15
 漏洞创建时间：2021-05-21 11:44:00
 漏洞详情参考链接：
  https://nvd.nist.gov/vuln/detail/CVE-2021-3537
 漏洞分析指导链接：
  https://gitee.com/opengauss/security/blob/master/cve/manual.md
二、漏洞分析结构反馈
 影响性分析说明：
  A vulnerability found in libxml2 in versions before 2.9.11 shows that it did not propagate errors while parsing XML mixed content, causing a NULL dereference. If an untrusted XML document was parsed in recovery mode and post-validated, the flaw could be used to crash the application. The highest threat from this vulnerability is to system availability.
 openGauss评分：
  5.9
 Vector：CVSS：3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H
 受影响版本排查(受影响/不受影响)：
  1.2.0.0:受影响
2.master:受影响

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CVE-2021-3537

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