CVE-2020-21913

一、漏洞信息
 漏洞编号：[CVE-2020-21913](https://nvd.nist.gov/vuln/detail/CVE-2020-21913)
 漏洞归属组件：[mozjs78](https://gitee.com/src-openeuler/mozjs78)
 漏洞归属的版本：78.15.0,78.4.0
 CVSS V3.0分值：
  BaseScore：5.5 Medium
  Vector：CVSS：3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
 漏洞简述：
  International Components for Unicode (ICU-20850) v66.1 was discovered to contain a use after free bug in the pkg_createWithAssemblyCode function in the file tools/pkgdata/pkgdata.cpp.
 漏洞公开时间：2021-09-20 22:15:08
 漏洞创建时间：2025-11-21 13:51:50
 漏洞详情参考链接：
  https://nvd.nist.gov/vuln/detail/CVE-2020-21913
<details>
<summary>更多参考(点击展开)</summary>

| 参考来源 | 参考链接 | 来源链接 |
| ------- | -------- | -------- |
|  | https://lists.suse.com/pipermail/sle-security-updates/2023-October/016813.html |  |
|  | https://www.suse.com/support/update/announcement/2023/suse-su-20233563-2/ |  |
|  | https://bugzilla.suse.com/1103893 |  |
|  | https://bugzilla.suse.com/824262 |  |
|  | https://bugzilla.suse.com/1146907 |  |
|  | https://packetstormsecurity.com/files/164793/Ubuntu-Security-Notice-USN-5133-1.html |  |
|  | https://www.cve.org/CVERecord?id=CVE-2020-21913 |  |
|  | https://www.suse.com/support/update/announcement/2023/suse-su-20233563-3/ |  |
|  | https://www.suse.com/support/update/announcement/2022/suse-su-20223142-1/ |  |
|  | https://www.suse.com/support/security/rating/ |  |
|  | https://www.suse.com/support/update/announcement/2023/suse-su-20233563-1/ |  |
|  | https://bugzilla.suse.com/1030253 |  |
|  | https://www.suse.com/support/update/announcement/2022/suse-su-20223141-1/ |  |
|  | https://bugzilla.suse.com/1193951 |  |
|  | https://unicode-org.atlassian.net/browse/ICU-20850 |  |
|  | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-21913 |  |
|  | https://security-tracker.debian.org/tracker/CVE-2020-21913 |  |
|  | https://www.auscert.org.au/bulletins/ESB-2021.3378 |  |
|  | http://people.ubuntu.com/~ubuntu-security/cve/CVE-2020-21913 |  |
|  | https://bugzilla.suse.com/1182252 |  |
|  | https://www.suse.com/security/cve/CVE-2020-21913/ |  |
|  | https://bugzilla.suse.com/1162882 |  |
|  | https://bugzilla.suse.com/1158955 |  |
|  | https://lists.suse.com/pipermail/sle-security-updates/2022-September/012157.html |  |
|  | https://www.auscert.org.au/bulletins/ESB-2022.4450 |  |
|  | https://github.com/unicode-org/icu/pull/886 |  |
|  | https://lists.suse.com/pipermail/sle-security-updates/2023-September/016117.html |  |
|  | http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-21913 |  |
|  | https://www.debian.org/lts/security/2021/dla-2784 |  |
|  | https://ubuntu.com/security/notices/USN-5133-1 |  |
|  | https://www.debian.org/security/2021/dsa-5014 |  |
|  | https://www.suse.com/security/cve/CVE-2020-10531/ |  |
|  | https://lists.suse.com/pipermail/sle-security-updates/2023-October/016928.html |  |
|  | https://secdb.alpinelinux.org/edge/main.yaml |  |
|  | https://bugzilla.suse.com/1166844 |  |
|  | https://bugzilla.suse.com/1112183 |  |
|  | https://www.auscert.org.au/bulletins/ESB-2021.3695 |  |
|  | https://bugzilla.redhat.com/show_bug.cgi?id=2006950 |  |
|  | https://lists.debian.org/debian-lts-announce/2021/10/msg00008.html |  |
|  | https://bugzilla.suse.com/1192935 |  |
|  | https://bugzilla.suse.com/1159131 |  |
|  | https://www.cybersecurity-help.cz/vdb/SB2021112918 |  |
|  | https://bugzilla.suse.com/437293 |  |
|  | https://lists.suse.com/pipermail/sle-security-updates/2022-September/012161.html |  |
|  | https://vigilance.fr/vulnerability/ICU-reuse-after-free-via-pkg-createWithAssemblyCode-36634 |  |
|  | https://bugzilla.suse.com/1182645 |  |
|  | https://bugzilla.suse.com/354372 |  |
|  | https://bugzilla.suse.com/1167603 |  |
|  | https://www.suse.com/security/cve/CVE-2020-21913.html |  |
|  | https://www.auscert.org.au/bulletins/ESB-2023.6403 |  |
|  | https://www.auscert.org.au/bulletins/ESB-2021.4009 |  |
|  | https://www.auscert.org.au/bulletins/ESB-2023.5146 |  |
|  | https://www.auscert.org.au/bulletins/ESB-2022.4443 |  |
|  | https://bugzilla.suse.com/1095425 |  |
|  | https://nvd.nist.gov/vuln/detail/CVE-2020-21913 |  |
|  | https://bugzilla.suse.com/1161007 |  |

</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:
  七彩瞬析开源风险感知平台
 漏洞补丁信息：
  <details>
<summary>详情(点击展开)</summary>

| 影响的包 | 修复版本 | 修复补丁 | 问题引入补丁 | 来源  |
| ------- | -------- | ------- | -------- | --------- |
|  |  | https://github.com/unicode-org/icu/pull/886 |  | snyk |

</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(78.15.0):
2.openEuler-20.03-LTS-SP4(78.4.0):
3.openEuler-22.03-LTS-SP3:
4.openEuler-22.03-LTS-SP4:
5.openEuler-24.03-LTS(78.15.0):
6.openEuler-24.03-LTS-Next(78.15.0):
7.openEuler-24.03-LTS-SP1:
8.openEuler-24.03-LTS-SP2:
9.openEuler-24.03-LTS-SP3:

修复是否涉及abi变化(是/否)：
  1.master(78.15.0):
2.openEuler-20.03-LTS-SP4(78.4.0):
3.openEuler-22.03-LTS-SP3:
4.openEuler-22.03-LTS-SP4:
5.openEuler-24.03-LTS(78.15.0):
6.openEuler-24.03-LTS-Next(78.15.0):
7.openEuler-24.03-LTS-SP1:
8.openEuler-24.03-LTS-SP2:
9.openEuler-24.03-LTS-SP3:

原因说明：
  1.master(78.15.0):
2.openEuler-20.03-LTS-SP4(78.4.0):
3.openEuler-22.03-LTS-SP3:
4.openEuler-22.03-LTS-SP4:
5.openEuler-24.03-LTS(78.15.0):
6.openEuler-24.03-LTS-Next(78.15.0):
7.openEuler-24.03-LTS-SP1:
8.openEuler-24.03-LTS-SP2:
9.openEuler-24.03-LTS-SP3:

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