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CVE-2021-38499

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是美国Mozilla基金会的一款开源Web浏览器。 Mozilla Firefox存在缓冲区错误漏洞，该漏洞源于处理HTML内容时出现边界错误。远程攻击者可利用该漏洞可以创建一个专门制作的网站，诱骗受害者打开它，引发内存损坏，并在目标系统上执行任意代码。该漏洞允许远程攻击者可利用该漏洞在目标系统上执行任意代码。

AI Predicted 8.8 Difficulty: Moderate EPSS 0.79% · P54

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-38499

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
Mozilla developers reported memory safety bugs present in Firefox 92. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 93.
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 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Mozilla Firefox是美国Mozilla基金会的一款开源Web浏览器。 Mozilla Firefox存在缓冲区错误漏洞，该漏洞源于处理HTML内容时出现边界错误。远程攻击者可利用该漏洞可以创建一个专门制作的网站，诱骗受害者打开它，引发内存损坏，并在目标系统上执行任意代码。该漏洞允许远程攻击者可利用该漏洞在目标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 Firefox unspecified ~ 93 -

II. Public POCs for CVE-2021-38499

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III. Intelligence Information for CVE-2021-38499

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Vendor Advisories for CVE-2021-38499 (2)

Same Patch Batch · Mozilla · 2021-11-03 · 14 CVEs total

CVE-2021-38502 Mozilla Thunderbird 安全漏洞
CVE-2021-38501 Mozilla Firefox 缓冲区错误漏洞
CVE-2021-38500 Mozilla Firefox 缓冲区错误漏洞
CVE-2021-38498 Mozilla Firefox 资源管理错误漏洞
CVE-2021-38497 Mozilla Firefox 访问控制错误漏洞
CVE-2021-38496 Mozilla Firefox MessageTask 资源管理错误漏洞
CVE-2021-38495 Mozilla Firefox 缓冲区错误漏洞
CVE-2021-38494 Mozilla Firefox 缓冲区错误漏洞
CVE-2021-38493 Mozilla Firefox 缓冲区错误漏洞
CVE-2021-38492 Mozilla Firefox 输入验证错误漏洞
CVE-2021-38491 Mozilla Firefox 权限许可和访问控制问题漏洞
CVE-2021-29993 Mozilla Firefox 权限许可和访问控制问题漏洞
CVE-2021-29991 Mozilla Firefox和Mozilla Thunderbird 安全漏洞

IV. Related Vulnerabilities

Same product: Firefox
Same vendor: Mozilla

V. Comments for CVE-2021-38499

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