PT-2026-4958 · Mozilla · Firefox

Hiroyuki Ikezoe · Published 2026-01-27 · Updated 2026-01-30 · CVE-2026-24869

Positive Technologies (AI Summary)

CVSS v2.0

9.4

High

Base vector

AV:N/AC:L/Au:N/C:C/I:C/A:N

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 147.0.2

Description A use-after-free issue exists in the Layout: Scrolling and Overflow component. This can potentially allow for unexpected behavior or crashes.

Recommendations Update Firefox to version 147.0.2 or later.

Fix

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

BDU:2026-00970

CVE-2026-24869

OPENSUSE-SU-2026:10120-1

Affected Products

Firefox

References · 22

• https://nvd.nist.gov/vuln/detail/CVE-2026-24869 · Security Note
• https://osv.dev/vulnerability/CVE-2026-24869 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2026-24869 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-24869 · Vendor Advisory
• https://mozilla.org/en-US/security/advisories/mfsa2026-06 · Vendor Advisory
• https://mozilla.org/en-US/security/advisories/mfsa2026-06/#CVE-2026-24869 · Vendor Advisory
• https://mozilla.org/security/advisories/mfsa2026-06 · Vendor Advisory
• https://wiki.astralinux.ru/astra-linux-se47-bulletin-2026-0518SE47 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-24869 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2026-24869 · Security Note
• https://bdu.fstec.ru/vul/2026-00970 · Security Note
• https://osv.dev/vulnerability/openSUSE-SU-2026:10120-1 · Vendor Advisory
• https://safe-surf.ru/specialists/bulletins-nkcki/729145 · Security Note
• https://wiki.astralinux.ru/astra-linux-se18-bulletin-2026-0423SE18MD · Vendor Advisory
• https://wiki.astralinux.ru/astra-linux-se17-bulletin-2026-0421SE17 · Vendor Advisory