CVE-2020-6819
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I. Basic Information for CVE-2020-6819
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
Under certain conditions, when running the nsDocShell destructor, a race condition can cause a use-after-free. We are aware of targeted attacks in the wild abusing this flaw. This vulnerability affects Thunderbird < 68.7.0, Firefox < 74.0.1, and Firefox ESR < 68.6.1.
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
多款Mozilla产品 竞争条件问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mozilla Firefox和Mozilla Thunderbird都是美国Mozilla基金会的产品。Mozilla Firefox是一款开源Web浏览器。Mozilla Thunderbird是一套从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 Firefox 74.0.1之前版本、Firefox ESR 68.6.1之前版本和Thunderbird 68.7.0之前版本中存在竞争条件问题漏洞
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)
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Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| Mozilla | Thunderbird | unspecified ~ 68.7.0 | - | |
| Mozilla | Firefox | unspecified ~ 74.0.1 | - | |
| Mozilla | Firefox ESR | unspecified ~ 68.6.1 | - |
II. Public POCs for CVE-2020-6819
| # | POC Description | Source Link | Shenlong Link |
|---|
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No public POC found.
Login to generate AI POCIII. Intelligence Information for CVE-2020-6819
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- https://bugzilla.mozilla.org/show_bug.cgi?id=1620818x_refsource_MISC
- https://www.mozilla.org/security/advisories/mfsa2020-14/x_refsource_MISC
- https://www.mozilla.org/security/advisories/mfsa2020-11/x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2020-6819
Same Patch Batch · Mozilla · 2020-04-24 · 10 CVEs total
| CVE-2020-6820 | 多款Mozilla产品 竞争条件问题漏洞 | |
| CVE-2020-6821 | 多款Mozilla产品缓冲区错误漏洞 | |
| CVE-2020-6822 | 多款Mozilla产品缓冲区错误漏洞 | |
| CVE-2020-6823 | Mozilla Firefox 安全漏洞 | |
| CVE-2020-6824 | Mozilla Firefox 授权问题漏洞 | |
| CVE-2020-6826 | Mozilla Firefox 缓冲区错误漏洞 | |
| CVE-2020-6825 | 多款Mozilla产品缓冲区错误漏洞 | |
| CVE-2020-6827 | Mozilla Firefox ESR 安全漏洞 | |
| CVE-2020-6828 | Mozilla Firefox ESR 缓冲区错误漏洞 |
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-2020-6819
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