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CVE-2021-38504

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 存在资源管理错误漏洞，该漏洞源于网络系统或产品对系统资源（如内存、磁盘空间、文件等）的管理不当。

AI Predicted 7.5 Difficulty: Moderate EPSS 1.59% · P73

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2021-38504

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
When interacting with an HTML input element's file picker dialog with webkitdirectory set, a use-after-free could have resulted, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.
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 资源管理错误漏洞
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 存在资源管理错误漏洞，该漏洞源于网络系统或产品对系统资源（如内存、磁盘空间、文件等）的管理不当。
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 ~ 94 -
Mozilla Thunderbird unspecified ~ 91.3 -
Mozilla Firefox ESR unspecified ~ 91.3 -

II. Public POCs for CVE-2021-38504

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III. Intelligence Information for CVE-2021-38504

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Vendor Advisories for CVE-2021-38504 (8)

Mailing List Discussions for CVE-2021-38504 (2)

Same Patch Batch · Mozilla · 2021-12-08 · 27 CVEs total

CVE-2021-43535 Mozilla Firefox 资源管理错误漏洞
CVE-2021-43527 Mozilla Network Security Services 缓冲区错误漏洞
CVE-2021-43546 Mozilla Firefox 安全漏洞
CVE-2021-43545 Mozilla Firefox 安全漏洞
CVE-2021-43544 Mozilla Firefox 跨站脚本漏洞
CVE-2021-43543 Mozilla Firefox 跨站脚本漏洞
CVE-2021-43542 Mozilla Firefox ESR 信息泄露漏洞
CVE-2021-43541 Mozilla Firefox ESR 安全漏洞
CVE-2021-43540 Mozilla Firefox 权限许可和访问控制问题漏洞
CVE-2021-43539 Mozilla Firefox ESR 资源管理错误漏洞
CVE-2021-43538 Mozilla Firefox 竞争条件问题漏洞
CVE-2021-43537 Mozilla Firefox ESR 代码问题漏洞
CVE-2021-43536 Mozilla Firefox ESR 信息泄露漏洞
CVE-2021-38503 Mozilla Firefox 安全特征问题漏洞
CVE-2021-43534 Mozilla Firefox 缓冲区错误漏洞
CVE-2021-43533 Mozilla Firefox 安全漏洞
CVE-2021-43532 Mozilla Firefox 输入验证错误漏洞
CVE-2021-43531 Mozilla Firefox 访问控制错误漏洞
CVE-2021-43530 Mozilla Firefox 跨站脚本漏洞
CVE-2021-43528 Mozilla Thunderbird 安全特征问题漏洞

Showing top 20 of 27 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Firefox
Same vendor: Mozilla

V. Comments for CVE-2021-38504

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