CVE-2021-43528
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I. Basic Information for CVE-2021-43528
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
Thunderbird unexpectedly enabled JavaScript in the composition area. The JavaScript execution context was limited to this area and did not receive chrome-level privileges, but could be used as a stepping stone to further an attack with other vulnerabilities. This vulnerability affects Thunderbird < 91.4.0.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Mozilla Thunderbird 安全特征问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mozilla Thunderbird是美国Mozilla基金会的一套从Mozilla Application Suite独立出来的电子邮件客户端软件。该软件支持IMAP、POP邮件协议以及HTML邮件格式。 Mozilla Thunderbird 存在安全特征问题漏洞，该漏洞源于JavaScript执行上下文仅限于此区域，并且没有获得铬级别的特权，但可以用作进一步攻击其他漏洞的垫脚石。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Mozilla | Thunderbird | unspecified ~ 91.4.0 | - |
II. Public POCs for CVE-2021-43528
| # | POC Description | Source Link | Shenlong Link |
|---|
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No public POC found.
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- https://www.mozilla.org/security/advisories/mfsa2021-54/x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2021-43528
Same Patch Batch · Mozilla · 2021-12-08 · 27 CVEs total
| CVE-2021-43535 | Mozilla Firefox 资源管理错误漏洞 | |
| CVE-2021-43527 | Mozilla Network Security Services 缓冲区错误漏洞 | |
| CVE-2021-43546 | Mozilla Firefox 安全漏洞 | |
| CVE-2021-43545 | Mozilla Firefox 安全漏洞 | |
| CVE-2021-43544 | Mozilla Firefox 跨站脚本漏洞 | |
| CVE-2021-43543 | Mozilla Firefox 跨站脚本漏洞 | |
| CVE-2021-43542 | Mozilla Firefox ESR 信息泄露漏洞 | |
| CVE-2021-43541 | Mozilla Firefox ESR 安全漏洞 | |
| CVE-2021-43540 | Mozilla Firefox 权限许可和访问控制问题漏洞 | |
| CVE-2021-43539 | Mozilla Firefox ESR 资源管理错误漏洞 | |
| CVE-2021-43538 | Mozilla Firefox 竞争条件问题漏洞 | |
| CVE-2021-43537 | Mozilla Firefox ESR 代码问题漏洞 | |
| CVE-2021-43536 | Mozilla Firefox ESR 信息泄露漏洞 | |
| CVE-2021-38503 | Mozilla Firefox 安全特征问题漏洞 | |
| CVE-2021-43534 | Mozilla Firefox 缓冲区错误漏洞 | |
| CVE-2021-43533 | Mozilla Firefox 安全漏洞 | |
| CVE-2021-43532 | Mozilla Firefox 输入验证错误漏洞 | |
| CVE-2021-43531 | Mozilla Firefox 访问控制错误漏洞 | |
| CVE-2021-43530 | Mozilla Firefox 跨站脚本漏洞 | |
| CVE-2021-38510 | Mozilla Firefox 命令注入漏洞 |
Showing top 20 of 27 CVEs. View all on vendor page → →
IV. Related Vulnerabilities
Same vendor: Mozilla
- CVE-2026-8093
Memory safety bugs fixed in Thunderbird 150.0.2 - CVE-2026-8094
Other issue in the WebRTC component - CVE-2026-8092
Memory safety bugs fixed in Thunderbird ESR 140.10.2 and Thu - CVE-2026-8091
Incorrect boundary conditions in the Audio/Video: Playback c - CVE-2026-8090
Use-after-free in the DOM: Networking component
V. Comments for CVE-2021-43528
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