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Mozilla Firefox and Mozilla Thunderbird security vulnerabilities

🗓️ 24 Feb 2026 00:00:00Reported by China National Vulnerability Database of Information SecurityType 
cnnvd
 cnnvd
🔗 www.cnnvd.org.cn👁 41 Views

Firefox and Thunderbird had security flaws before version 148 due to invalid DOM and HTML pointers.

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28 May 2026 00:00Current
8.1High risk
Vulners AI Score8.1
CVSS 3.19.8
EPSS0.0064
SSVC
41