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CVE-2023-6859

Quick assessment

Affected
Mozilla Firefox ESR
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存在安全漏洞，该漏洞源于PR_GetIdentitiesLayer中存在释放后重用漏洞。受影响的产品和版本：Firefox ESR 115.6之前版本，Thunderbird 115.6之前版本，Firefox 121之前版本。

AI Predicted 7.8 Difficulty: Moderate EPSS 1.09% · P64

Possible ATT&CK Techniques 1 AI

T1203 · Exploitation for Client Execution
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I. Basic Information for CVE-2023-6859

Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
A use-after-free condition affected TLS socket creation when under memory pressure. This vulnerability affects Firefox ESR < 115.6, Thunderbird < 115.6, and Firefox < 121.
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 安全漏洞
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存在安全漏洞，该漏洞源于PR_GetIdentitiesLayer中存在释放后重用漏洞。受影响的产品和版本：Firefox ESR 115.6之前版本，Thunderbird 115.6之前版本，Firefox 121之前版本。
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 ESR unspecified ~ 115.6 -
Mozilla Thunderbird unspecified ~ 115.6 -
Mozilla Firefox unspecified ~ 121 -

II. Public POCs for CVE-2023-6859

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III. Intelligence Information for CVE-2023-6859

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Vendor Advisories for CVE-2023-6859 (7)

Mailing List Discussions for CVE-2023-6859 (2)

Same Patch Batch · Mozilla · 2023-12-19 · 21 CVEs total

CVE-2023-6864 Mozilla Firefox 安全漏洞
CVE-2023-50762 Mozilla Thunderbird 安全漏洞
CVE-2023-50761 Mozilla Thunderbird 安全漏洞
CVE-2023-6856 Mozilla Firefox 安全漏洞
CVE-2023-6857 Mozilla Firefox 安全漏洞
CVE-2023-6858 Mozilla Firefox 安全漏洞
CVE-2023-6860 Mozilla Firefox 安全漏洞
CVE-2023-6861 Mozilla Firefox 安全漏洞
CVE-2023-6862 Mozilla Firefox 安全漏洞
CVE-2023-6863 Mozilla Firefox 安全漏洞
CVE-2023-6873 Mozilla Firefox 安全漏洞
CVE-2023-6135 Mozilla Firefox 安全漏洞
CVE-2023-6865 Mozilla Firefox 安全漏洞
CVE-2023-6866 Mozilla Firefox 安全漏洞
CVE-2023-6867 Mozilla Firefox 安全漏洞
CVE-2023-6868 Mozilla Firefox 安全漏洞
CVE-2023-6869 Mozilla Firefox 安全漏洞
CVE-2023-6870 Mozilla Firefox 安全漏洞
CVE-2023-6871 Mozilla Firefox 安全漏洞
CVE-2023-6872 Mozilla Firefox 安全漏洞

IV. Related Vulnerabilities

Same product: Firefox ESR
Same vendor: Mozilla

V. Comments for CVE-2023-6859

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