CVE-2026-53899

概要

参考情報

• bugzilla.mozilla.org/show_bug.cgi · Permissions Required
• mozilla.org/security/advisories/mfsa2026-56 · Vendor Advisory

firefox mobile のその他の脆弱性

• CVE-2026-100823中 5.4Spoofing issue in the Downloads component in Firefox for Android. This vulnerability was fixed in Firefox 157.
• CVE-2026-92033高 8.8Privilege escalation in Firefox for Android. This vulnerability was fixed in Firefox 156.
• CVE-2026-86853中 4.3A malicious webpage could repeatedly trigger external URL schemes, causing system prompts or external application launches. This could make …
• CVE-2026-84135緊急 9.8Other issue in Firefox Focus for Android. This vulnerability was fixed in Firefox 155.
• CVE-2026-84127中 4.3Information disclosure in the WebExtensions component in Firefox for Android. This vulnerability was fixed in Firefox 155.