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CVE-2021-29982

Quick assessment

Affected
Mozilla Firefox
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

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和Mozilla Thunderbird 存在安全漏洞，该漏洞的存在是由于不正确的JIT优化和类型混淆错误。远程攻击者可利用该漏洞可以诱

AI Predicted 5.9 Difficulty: Moderate EPSS 1.12% · P64

Possible ATT&CK Techniques 1 AI

T1014 · Rootkit
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I. Basic Information for CVE-2021-29982

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Due to incorrect JIT optimization, we incorrectly interpreted data from the wrong type of object, resulting in the potential leak of a single bit of memory. This vulnerability affects Firefox < 91 and Thunderbird < 91.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Mozilla Firefox和Mozilla Thunderbird 安全漏洞
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和Mozilla Thunderbird 存在安全漏洞，该漏洞的存在是由于不正确的JIT优化和类型混淆错误。远程攻击者可利用该漏洞可以诱
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 unspecified ~ 91 -
Mozilla Thunderbird unspecified ~ 91 -

II. Public POCs for CVE-2021-29982

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III. Intelligence Information for CVE-2021-29982

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Vendor Advisories for CVE-2021-29982 (4)

Same Patch Batch · Mozilla · 2021-08-17 · 11 CVEs total

CVE-2021-29990 Mozilla Firefox 缓冲区错误漏洞
CVE-2021-29989 Mozilla Firefox 缓冲区错误漏洞
CVE-2021-29988 Mozilla Firefox 缓冲区错误漏洞
CVE-2021-29987 Mozilla Firefox 安全漏洞
CVE-2021-29986 Mozilla Firefox 竞争条件问题漏洞
CVE-2021-29985 Mozilla Firefox 资源管理错误漏洞
CVE-2021-29984 Mozilla Firefox 缓冲区错误漏洞
CVE-2021-29983 Mozilla Firefox 资源管理错误漏洞
CVE-2021-29981 Mozilla Firefox和Mozilla Thunderbird输入验证错误漏洞
CVE-2021-29980 Mozilla Firefox 缓冲区错误漏洞

IV. Related Vulnerabilities

Same product: Firefox
Same vendor: Mozilla

V. Comments for CVE-2021-29982

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