CVE-2020-12421
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I. Basic Information for CVE-2020-12421
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
When performing add-on updates, certificate chains terminating in non-built-in-roots were rejected (even if they were legitimately added by an administrator.) This could have caused add-ons to become out-of-date silently without notification to the user. This vulnerability affects Firefox ESR < 68.10, Firefox < 78, and Thunderbird < 68.10.0.
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
多款Mozilla产品信任管理问题漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mozilla Firefox等都是美国Mozilla基金会的产品。Mozilla Firefox是一款开源Web浏览器。Mozilla Firefox ESR是Firefox(Web浏览器)的一个延长支持版本。Mozilla Thunderbird是一套从Mozilla Application Suite独立出来的电子邮件客户端软件。 Mozilla Thunderbird 68.10.0之前版本、Firefox ESR 68.10之前版本和Firefox 78之前版本中存在安全漏洞，该漏洞源于在进行A
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 ~ 68.10 | - | |
| Mozilla | Firefox | unspecified ~ 78 | - | |
| Mozilla | Thunderbird | unspecified ~ 68.10.0 | - |
II. Public POCs for CVE-2020-12421
| # | POC Description | Source Link | Shenlong Link |
|---|
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No public POC found.
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- https://www.mozilla.org/security/advisories/mfsa2020-26/x_refsource_MISC
- https://bugzilla.mozilla.org/show_bug.cgi?id=1308251x_refsource_MISC
- https://www.mozilla.org/security/advisories/mfsa2020-25/x_refsource_MISC
- https://www.mozilla.org/security/advisories/mfsa2020-24/x_refsource_MISC
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00027.htmlvendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00023.htmlvendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00049.htmlvendor-advisoryx_refsource_SUSE
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00026.htmlvendor-advisoryx_refsource_SUSE
- https://nvd.nist.gov/vuln/detail/CVE-2020-12421
Same Patch Batch · Mozilla · 2020-07-09 · 26 CVEs total
| CVE-2020-12404 | Mozilla Firefox 信息泄露漏洞 | |
| CVE-2020-12414 | Mozilla Firefox 安全漏洞 | |
| CVE-2020-12407 | Mozilla Firefox 信息泄露漏洞 | |
| CVE-2020-12402 | Amazon Linux AMI 加密问题漏洞 | |
| CVE-2020-12399 | Mozilla Network Security Services 安全漏洞 | |
| CVE-2020-12412 | Mozilla Firefox 安全漏洞 | |
| CVE-2020-12408 | Mozilla Firefox 注入漏洞 | |
| CVE-2020-12411 | Mozilla Firefox 缓冲区错误漏洞 | |
| CVE-2020-12409 | Mozilla Firefox 安全漏洞 | |
| CVE-2020-12398 | Mozilla Thunderbird 安全漏洞 | |
| CVE-2020-12410 | Mozilla Firefox和Firefox ESR 缓冲区错误漏洞 | |
| CVE-2020-12405 | 多款Mozilla产品资源管理错误漏洞 | |
| CVE-2020-12406 | 多款Mozilla产品数据伪造问题漏洞 | |
| CVE-2018-12371 | 多款Mozilla产品Skia库输入验证错误漏洞 | |
| CVE-2020-12416 | Mozilla Firefox 资源管理错误漏洞 | |
| CVE-2020-12425 | Mozilla Firefox 缓冲区错误漏洞 | |
| CVE-2020-12423 | Mozilla Firefox 代码问题漏洞 | |
| CVE-2020-12422 | Mozilla Firefox 缓冲区错误漏洞 | |
| CVE-2020-12420 | 多款Mozilla产品资源管理错误漏洞 | |
| CVE-2020-12419 | 多款Mozilla产品资源管理错误漏洞 |
Showing top 20 of 26 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-2020-12421
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