CVE-2020-12387
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I. Basic Information for CVE-2020-12387
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A race condition when running shutdown code for Web Worker led to a use-after-free vulnerability. This resulted in a potentially exploitable crash. This vulnerability affects Firefox ESR < 68.8, Firefox < 76, and Thunderbird < 68.8.0.
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 资源管理错误漏洞
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 68.8.0之前版本、Firefox ESR 68.8之前版本和Firefox 76之前版本中存在资源管理错误漏洞。攻击者可借助特制的网站利用该漏洞在受影响系统上执行任意代码或造成拒绝服务。
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 | Firefox ESR | unspecified ~ 68.8 | - | |
| Mozilla | Firefox | unspecified ~ 76 | - | |
| Mozilla | Thunderbird | unspecified ~ 68.8.0 | - |
II. Public POCs for CVE-2020-12387
| # | POC Description | Source Link | Shenlong Link |
|---|
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- https://security.gentoo.org/glsa/202005-03x_refsource_MISC
- Security Vulnerabilities fixed in Firefox ESR 68.8 — Mozillax_refsource_MISC
- https://www.mozilla.org/security/advisories/mfsa2020-18/x_refsource_MISC
- https://security.gentoo.org/glsa/202005-04x_refsource_MISC
- https://www.mozilla.org/security/advisories/mfsa2020-16/x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2020-12387
Same Patch Batch · Mozilla · 2020-05-26 · 12 CVEs total
| CVE-2020-12396 | Mozilla Firefox 缓冲区错误漏洞 | |
| CVE-2020-12395 | Mozilla Firefox和Firefox ESR 缓冲区错误漏洞 | |
| CVE-2020-12394 | Mozilla Firefox 输入验证错误漏洞 | |
| CVE-2020-12393 | Mozilla Thunderbird、Firefox ESR和Firefox 注入漏洞 | |
| CVE-2020-12392 | Mozilla Thunderbird 路径遍历漏洞 | |
| CVE-2020-12391 | Mozilla Firefox 输入验证错误漏洞 | |
| CVE-2020-12390 | Mozilla Firefox 代码问题漏洞 | |
| CVE-2020-12389 | Mozilla Firefox和Firefox ESR 输入验证错误漏洞 | |
| CVE-2020-12388 | Mozilla Firefox和Firefox ESR 输入验证错误漏洞 | |
| CVE-2020-6831 | Mozilla Thunderbird、Firefox ESR和Firefox 缓冲区错误漏洞 | |
| CVE-2020-6830 | Mozilla Firefox 信息泄露漏洞 |
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-2020-12387
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