What’s Vulnerable › Vulnerabilities

CVE-2022-46877

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-12-22 · updated 2026-06-17
• Weakness: CWE-79

Description

By confusing the browser, the fullscreen notification could have been delayed or suppressed, resulting in potential user confusion or spoofing attacks. This vulnerability affects Firefox < 108.

Affected products

• Debian Linux: 10.0, 11.0
• Mozilla Firefox: before 108.0 — fixed in 108.0

How to fix

Upgrade to a fixed version: Mozilla Firefox 108.0. Check the vendor advisory for mitigations.

References

• https://bugzilla.mozilla.org/show_bug.cgi?id=1795139
• https://lists.debian.org/debian-lts-announce/2023/01/msg00015.html
• https://lists.debian.org/debian-lts-announce/2023/02/msg00018.html
• https://security.gentoo.org/glsa/202305-06
• https://security.gentoo.org/glsa/202305-13
• https://www.debian.org/security/2023/dsa-5322
• https://www.debian.org/security/2023/dsa-5355
• https://www.mozilla.org/security/advisories/mfsa2022-51/
• https://bugzilla.mozilla.org/show_bug.cgi?id=1795139
• https://lists.debian.org/debian-lts-announce/2023/01/msg00015.html
• https://lists.debian.org/debian-lts-announce/2023/02/msg00018.html
• https://security.gentoo.org/glsa/202305-06

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