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CVE-2025-6433

🗓️ 24 Jun 2025 13:15:24Reported by GoogleType 
osv_cve
 osv_cve
🔗 osv.dev👁 16 Views

Invalid certificate exception enables a Web Authentication challenge, violating the spec; affects Firefox and Thunderbird under 140.

Related
Refs
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Family
freebsd
FreeBSD
firefox -- multiple vulnerabilities
24 Jun 202500:00
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attackerkb
attackerkb
CVE-2025-6433
24 Jun 202512:28
–attackerkb
alpinelinux
AlpineLinux
CVE-2025-6433
24 Jun 202513:15
–alpinelinux
astralinux
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Astra Linux – Vulnerability in Firefox
16 Jun 202511:28
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bdu_fstec
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Mozilla Firefox TLS Unauthorized Access
27 Jun 202500:00
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cgr
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CVE-2025-6433 vulnerabilities
1 Jul 202614:16
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circl
Circl
CVE-2025-6433
24 Jun 202516:29
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cnnvd
CNNVD
Mozilla Firefox 安全漏洞
24 Jun 202500:00
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cve
CVE
CVE-2025-6433
24 Jun 202512:28
–cve
cvelist
Cvelist
CVE-2025-6433 WebAuthn would allow a user to sign a challenge on a webpage with an invalid TLS certificate
24 Jun 202512:28
–cvelist
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04 May 2026 08:47Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.19.8
EPSS0.00297
16