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CVE-2021-23964

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 85.0版本之前存在缓冲区错误漏洞。攻击者可以利用该漏洞执行任意代码。

AI Predicted 9.8 Difficulty: Moderate EPSS 1.26% · P67

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application
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I. Basic Information for CVE-2021-23964

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 84 and Firefox ESR 78.6. 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 < 85, Thunderbird < 78.7, and Firefox ESR < 78.7.
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 85.0版本之前存在缓冲区错误漏洞。攻击者可以利用该漏洞执行任意代码。
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 < 85 -
Mozilla Thunderbird < 78.7 -
Mozilla Firefox ESR < 78.7 -

II. Public POCs for CVE-2021-23964

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III. Intelligence Information for CVE-2021-23964

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Vendor Advisories for CVE-2021-23964 (4)

Same Patch Batch · Mozilla · 2021-02-26 · 25 CVEs total

CVE-2021-23960 Mozilla Firefox 安全漏洞
CVE-2021-23976 Mozilla Firefox 安全漏洞
CVE-2021-23975 Mozilla Firefox 安全漏洞
CVE-2021-23974 Mozilla Firefox 安全漏洞
CVE-2021-23973 Mozilla Thunderbird 安全漏洞
CVE-2021-23972 Mozilla Firefox 安全漏洞
CVE-2021-23971 Mozilla Firefox 安全漏洞
CVE-2021-23970 Mozilla Firefox 安全漏洞
CVE-2021-23969 Mozilla Thunderbird 安全漏洞
CVE-2021-23968 Mozilla Thunderbird 安全漏洞
CVE-2021-23962 Mozilla Firefox 安全漏洞
CVE-2021-23961 Mozilla Firefox 安全漏洞
CVE-2021-23965 Mozilla Firefox 缓冲区错误漏洞
CVE-2021-23959 Mozilla Firefox 跨站脚本漏洞
CVE-2021-23958 Mozilla Firefox 信息泄露漏洞
CVE-2021-23957 Mozilla Firefox 安全漏洞
CVE-2021-23956 Mozilla Firefox 安全漏洞
CVE-2021-23955 Mozilla Firefox 安全漏洞
CVE-2021-23954 Mozilla Firefox 安全漏洞
CVE-2021-23953 Mozilla Firefox 安全漏洞

Showing top 20 of 25 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Firefox
Same vendor: Mozilla

V. Comments for CVE-2021-23964

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