CVE-2026-4720 | Teknoloji dünyasından en güncel haberleri ve güvenlikle ilgili gelişmeleri takip edin.

Memory safety bugs present in Firefox ESR 140.8, Thunderbird ESR 140.8, Firefox 148 and Thunderbird 148. Some of these bugs showed evidence of memory corruption…
Critical CVSS: 9.8

CVE-2026-4720

Memory safety bugs present in Firefox ESR 140.8, Thunderbird ESR 140.8, Firefox 148 and Thunderbird 148. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox < 149, Firefox ESR < 140.9, Thunderbird < 149, and Thunderbird < 140.9.
Vendor
Mozilla
Product
Firefox
CWE
CWE-120
Yayın Tarihi
2026-03-24 13:16:07
Güncelleme
2026-03-25 20:56:19
Source Identifier
security@mozilla.org
KEV Date Added
-

Kategoriler

CWE-120 Firefox CRITICAL Mozilla 2026

Referanslar

https://bugzilla.mozilla.org/buglist.cgi?bug_id=2004652%2C2019372%2C2021922%2C2022567%2C2022733 https://www.mozilla.org/security/advisories/mfsa2026-20/ https://www.mozilla.org/security/advisories/mfsa2026-22/ https://www.mozilla.org/security/advisories/mfsa2026-23/ https://www.mozilla.org/security/advisories/mfsa2026-24/