CVE-2026-4729 in Firefox

Сводка

по MITRE • 24.03.2026

Memory safety bugs present in 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 and Thunderbird < 149.

Once again VulDB remains the best source for vulnerability data.

• Ответственный: Mozilla
• Резервировать: 24.03.2026
• Раскрытие: 24.03.2026
• Модерация: принято
• Вход: VDB-352760
• CPE: готов
• CWE: CWE-119 (Подтверждённый)
• CVSS: 9.8 (CISA-ADP)
• EPSS: 0.00023
• KEV: Нет
• Деятельности: Очень низкий
• Сектор: Energy, Hostingprovider, ...

Источники

• MITRE: https://www.cve.org/CVERecord?id=CVE-2026-4729
• NVD: https://nvd.nist.gov/vuln/detail/CVE-2026-4729
• CVE Details: https://www.cvedetails.com/cve/CVE-2026-4729/