CVE-2026-24869 — Use After Free in Mozilla Firefox

CWE-416 — Use After Free8 documents8 sources
Severity
8.8HIGHNVD
EPSS
0.1%
top 82.43%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
1
Mozilla Firefox
Timeline
PublishedJan 27

Description

Use-after-free in the Layout: Scrolling and Overflow component. This vulnerability was fixed in Firefox 147.0.2.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitability: 2.8 | Impact: 5.9

Affected Packages1 packages

▶NVDmozilla/firefox< 147.0.2

🔴Vulnerability Details

3
OSV
CVE-2026-24869: Use-after-free in the Layout: Scrolling and Overflow component↗2026-01-27
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CVEList
Use-after-free in the Layout: Scrolling and Overflow component↗2026-01-27
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GHSA
GHSA-5hpc-pqrr-8j6m: Use-after-free in the Layout: Scrolling and Overflow component↗2026-01-27
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📋Vendor Advisories

3
Red Hat
firefox: Use-after-free in the Layout: Scrolling and Overflow component↗2026-01-27
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Debian
CVE-2026-24869: firefox - Use-after-free in the Layout: Scrolling and Overflow component. This vulnerabili...↗2026
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Mozilla
Mozilla Foundation Security Advisory 2026-06: CVE-2026-24869↗
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🕵️Threat Intelligence

1
Wiz
CVE-2026-24869 Impact, Exploitability, and Mitigation Steps | Wiz↗
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CVE-2026-24869 — Use After Free in Mozilla Firefox | cvebase