CVE-2021-29970
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I. Basic Information for CVE-2021-29970
Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
A malicious webpage could have triggered a use-after-free, memory corruption, and a potentially exploitable crash. *This bug could only be triggered when accessibility was enabled.*. This vulnerability affects Thunderbird < 78.12, Firefox ESR < 78.12, and Firefox < 90.
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 存在资源管理错误漏洞，该漏洞源于在处理HTML内容时可访问性特性中出现了事后使用错误。攻击者可利用该漏洞跟踪受害者，打开一个专门设计的网页，触发一个事后使用错误，并在系统上执行任意代码。
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 ~ 78.12 | - | |
| Mozilla | Firefox ESR | unspecified ~ 78.12 | - | |
| Mozilla | Firefox | unspecified ~ 90 | - |
II. Public POCs for CVE-2021-29970
| # | POC Description | Source Link | Shenlong Link |
|---|
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No public POC found.
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- https://www.mozilla.org/security/advisories/mfsa2021-29/x_refsource_MISC
- https://www.mozilla.org/security/advisories/mfsa2021-30/x_refsource_MISC
- https://www.mozilla.org/security/advisories/mfsa2021-28/x_refsource_MISC
- https://bugzilla.mozilla.org/show_bug.cgi?id=1709976x_refsource_MISC
- https://nvd.nist.gov/vuln/detail/CVE-2021-29970
Same Patch Batch · Mozilla · 2021-08-05 · 10 CVEs total
| CVE-2021-29978 | Mozilla VPN 安全特征问题漏洞 | |
| CVE-2021-29977 | Mozilla Firefox 缓冲区错误漏洞 | |
| CVE-2021-29976 | Mozilla Firefox 缓冲区错误漏洞 | |
| CVE-2021-29975 | Mozilla Firefox 安全漏洞 | |
| CVE-2021-29974 | Mozilla Firefox 权限许可和访问控制问题漏洞 | |
| CVE-2021-29973 | Mozilla Firefox 安全漏洞 | |
| CVE-2021-29972 | Mozilla Firefox 资源管理错误漏洞 | |
| CVE-2021-29971 | Mozilla Firefox 权限许可和访问控制问题漏洞 | |
| CVE-2021-29969 | Mozilla Thunderbird 命令注入漏洞 |
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-2021-29970
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