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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👁 29 Views

Security flaws in Firefox and Thunderbird prior to 148 due to DOM Core and HTML components enabling resource reuse.

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Refs
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24 Feb 202600:00
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24 Feb 202613:33
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24 Feb 202613:33
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1 Apr 202603:55
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4 May 202600:00
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1 Jul 202614:17
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24 Feb 202620:10
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cve
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24 Feb 202613:33
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24 Feb 202613:33
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24 Feb 202613:33
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28 May 2026 00:00Current
7.6High risk
Vulners AI Score7.6
CVSS 3.18.8
EPSS0.00298
SSVC
29