CVE-2021-3826

一、漏洞信息
 漏洞编号：[CVE-2021-3826](https://nvd.nist.gov/vuln/detail/CVE-2021-3826)
 漏洞归属组件：[gcc-10](https://gitee.com/src-openeuler/gcc-10)
 漏洞归属的版本：10.3.0
 CVSS V3.0分值：
  BaseScore：6.5 Medium
  Vector：CVSS：3.0/
 漏洞简述：
  Heap/stack buffer overflow in the dlang_lname function in d-demangle.c in libiberty allows attackers to potentially cause a denial of service (segmentation fault and crash) via a crafted mangled symbol.
 漏洞公开时间：2022-09-02 05:15:08
 漏洞创建时间：2025-02-05 22:45:05
 漏洞详情参考链接：
  https://nvd.nist.gov/vuln/detail/CVE-2021-3826
<details>
<summary>更多参考(点击展开)</summary>

无
</details>

漏洞分析指导链接：
  https://gitee.com/openeuler/cve-manager/blob/master/cve-vulner-manager/doc/md/manual.md
 漏洞数据来源:
  其它
 漏洞补丁信息：
  <details>
<summary>详情(点击展开)</summary>

无
</details>
 
二、漏洞分析结构反馈
 影响性分析说明：
  
 openEuler评分：
   
 受影响版本排查(受影响/不受影响)：
  1.master:
2.openEuler-20.03-LTS-SP4(10.3.0):
3.openEuler-22.03-LTS-SP3:
4.openEuler-22.03-LTS-SP4:
5.openEuler-24.03-LTS:
6.openEuler-24.03-LTS-Next:
7.openEuler-24.03-LTS-SP1:

修复是否涉及abi变化(是/否)：
  1.master:
2.openEuler-20.03-LTS-SP4(10.3.0):
3.openEuler-22.03-LTS-SP3:
4.openEuler-22.03-LTS-SP4:
5.openEuler-24.03-LTS:
6.openEuler-24.03-LTS-Next:
7.openEuler-24.03-LTS-SP1:

原因说明：
  1.master:
2.openEuler-20.03-LTS-SP4(10.3.0):
3.openEuler-22.03-LTS-SP3:
4.openEuler-22.03-LTS-SP4:
5.openEuler-24.03-LTS:
6.openEuler-24.03-LTS-Next:
7.openEuler-24.03-LTS-SP1:

src-openEuler/gcc-10

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CVE-2021-3826

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