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CVE-2021-38500

Quick assessment

Affected
Mozilla Thunderbird
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，该漏洞源于软件中存在的内存安全漏洞，其中一些bug显示了内存损坏，攻击者可以利用该漏洞进行任意代码执行。

AI Predicted 8.5 Difficulty: Hard EPSS 1.23% · P66

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2021-38500

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 and Firefox ESR 91.1. 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 Thunderbird < 78.15, Thunderbird < 91.2, Firefox ESR < 91.2, Firefox ESR < 78.15, and 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，该漏洞源于软件中存在的内存安全漏洞，其中一些bug显示了内存损坏，攻击者可以利用该漏洞进行任意代码执行。
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 ~ 78.15 -
Mozilla Firefox ESR unspecified ~ 91.2 -
Mozilla Firefox unspecified ~ 93 -

II. Public POCs for CVE-2021-38500

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III. Intelligence Information for CVE-2021-38500

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Vendor Advisories for CVE-2021-38500 (7)

Mailing List Discussions for CVE-2021-38500 (1)

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-2021-38499 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: Thunderbird
Same vendor: Mozilla

V. Comments for CVE-2021-38500

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