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CVE-2026-24869— Use-after-free in the Layout: Scrolling and Overflow component

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 147.0.2之前版本存在安全漏洞，该漏洞源于布局滚动和溢出组件存在释放后重用漏洞。

AI Predicted 8.8 Difficulty: Easy EPSS 0.27% · P18

Possible ATT&CK Techniques 1 AI

T1211 · Exploitation for Stealth

Affected Version Matrix 1

VendorProduct Version RangeStatus
Mozilla Firefox 147.0.2≤ * unaffected
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I. Basic Information for CVE-2026-24869

Vulnerability Information
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Vulnerability Title
Use-after-free in the Layout: Scrolling and Overflow component
Source: CVE Program / CVE List V5
Vulnerability Description
Use-after-free in the Layout: Scrolling and Overflow component. This vulnerability was fixed in Firefox 147.0.2.
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 147.0.2之前版本存在安全漏洞，该漏洞源于布局滚动和溢出组件存在释放后重用漏洞。
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 147.0.2 ~ * -

II. Public POCs for CVE-2026-24869

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III. Intelligence Information for CVE-2026-24869

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IV. Related Vulnerabilities

Same product: Firefox
Same vendor: Mozilla

V. Comments for CVE-2026-24869

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