CVE-2026-24869

Use-after-free in the Layout: Scrolling and Overflow component

State: Published
Severity: 8.8 High
Published: Jan 27, 2026
Updated: Jul 15, 2026
Reserved: Jan 27, 2026

Description

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

Scores

CVSS	Score	Vector	Source
3.1	8.8 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H	CISA-ADP
3.1	7.5 High	CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H	redhat-SADP

Weaknesses

CWE-416 Use After Free

Affected Products

Product	Versions
FirefoxMozilla	147.0.2 and laterNot affected

References

https://bugzilla.mozilla.org/show_bug.cgi?id=2008698
https://www.mozilla.org/security/advisories/mfsa2026-06/
https://access.redhat.com/security/cve/CVE-2026-24869vdb-entry
RHBZ#2433424issue-tracking
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-24869.json

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