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CVE-2021-29972

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，该漏洞源于过时的 Cairo 库中的释放后使用错误。攻击者可利用该漏洞创建一个特制的网页，诱使受害者访问它，触发释放后使用错误并在系统上执行任意代码。

AI Predicted 8.8 Difficulty: Moderate EPSS 1.05% · P61
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I. Basic Information for CVE-2021-29972

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A use-after-free vulnerability was found via testing, and traced to an out-of-date Cairo library. Updating the library resolved the issue, and may have remediated other, unknown security vulnerabilities as well. This vulnerability affects Firefox < 90.
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，该漏洞源于过时的 Cairo 库中的释放后使用错误。攻击者可利用该漏洞创建一个特制的网页，诱使受害者访问它，触发释放后使用错误并在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 ~ 90 -

II. Public POCs for CVE-2021-29972

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III. Intelligence Information for CVE-2021-29972

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Vendor Advisories for CVE-2021-29972 (3)

Same Patch Batch · Mozilla · 2021-08-05 · 10 CVEs total

CVE-2021-29978 Mozilla VPN 安全特征问题漏洞
CVE-2021-29977 Mozilla Firefox 缓冲区错误漏洞
CVE-2021-29976 Mozilla Firefox 缓冲区错误漏洞
CVE-2021-29975 Mozilla Firefox 安全漏洞
CVE-2021-29974 Mozilla Firefox 权限许可和访问控制问题漏洞
CVE-2021-29973 Mozilla Firefox 安全漏洞
CVE-2021-29971 Mozilla Firefox 权限许可和访问控制问题漏洞
CVE-2021-29970 Mozilla Thunderbird 资源管理错误漏洞
CVE-2021-29969 Mozilla Thunderbird 命令注入漏洞

IV. Related Vulnerabilities

Same product: Firefox
Same vendor: Mozilla

V. Comments for CVE-2021-29972

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