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Mozilla Firefox for Android vulnerabilities

87 known vulnerabilities, 2 confirmed exploited in the wild (CISA KEV), 15 published in the last 12 months.

Check whether your Mozilla Firefox for Android version is affected

Exploited Mozilla Firefox for Android vulnerabilities

• CVE-2022-26486 — Mozilla Firefox Use-After-Free Vulnerability
• CVE-2022-26485 — Mozilla Firefox Use-After-Free Vulnerability

Latest Mozilla Firefox for Android vulnerabilities

• CVE-2026-100823 — Spoofing issue in the Downloads component in Firefox for Android (CVSS 5.4)
• CVE-2026-92033 — Privilege escalation in Firefox for Android (CVSS 8.8)
• CVE-2026-86853 — Repeated external URL scheme launches could potentially cause a denial of service in Firefox for iOS (CVSS 4.3)
• CVE-2026-84135 — Other issue in Firefox Focus for Android (CVSS 9.8)
• CVE-2026-84127 — Information disclosure in the WebExtensions component in Firefox for Android (CVSS 4.3)
• CVE-2026-84117 — Privilege escalation in Firefox for Android (CVSS 8.8)
• CVE-2026-81267 — Stalled popup navigation could allow address bar origin spoofing in Firefox for iOS (CVSS 5.4)
• CVE-2026-74980 — Clickjacking issue in the Downloads component in Firefox for Android (CVSS 6.5)
• CVE-2026-74975 — Spoofing issue in the Downloads component in Firefox for Android (CVSS 5.4)
• CVE-2026-74951 — Clickjacking issue in Firefox for Android (CVSS 6.5)
• CVE-2026-16404 — Spoofing issue in Firefox for Android (CVSS 7.4)
• CVE-2026-16373 — Information disclosure in the Privacy component in Firefox for Android (CVSS 7.5)
• CVE-2026-14906 — Malicious webpage titles could allow overwriting of bundled PDF resources when saving webpages as PDFs in Firefox for iOS (CVSS 5.3)
• CVE-2026-53900 — Cookie injection was possible when opening a PDF link (CVSS 4.3)
• CVE-2026-53899 — Cross-origin cookies could be leaked when opening a PDF link (CVSS 6.5)
• CVE-2024-43113 — (CVSS 6.1)
• CVE-2024-43112 — (CVSS 6.1)
• CVE-2024-43111 — (CVSS 6.1)
• CVE-2024-7523 — (CVSS 8.1)
• CVE-2024-38313 — (CVSS 4.3)
• CVE-2024-38312 — (CVSS 6.5)
• CVE-2024-0953 — (CVSS 6.1)
• CVE-2023-49061 — (CVSS 6.1)
• CVE-2023-49060 — (CVSS 9.8)
• CVE-2023-5758 — (CVSS 6.1)