Mozilla Firefox vulnerabilities

3,197 known vulnerabilities affecting mozilla/firefox.

Total CVEs
3,197
CISA KEV
17
actively exploited
Public exploits
122
Exploited in wild
22
Severity breakdown
CRITICAL865HIGH944MEDIUM1312LOW71UNKNOWN5

Vulnerabilities

Page 158 of 160
CVE-2022-2226MEDIUMCVSS 6.5
CVE-2022-2226 [MEDIUM] Mozilla Foundation Security Advisory 2022-26: CVE-2022-2226 Mozilla Foundation Security Advisory 2022-26 CVE: CVE-2022-2226 Product: Thunderbird Impact: high Fixed in: Thunderbird 102 Thunderbird 91.11
mozilla
CVE-2026-6774MEDIUMCVSS 5.4fixed in Firefox 150
CVE-2026-6774 [MEDIUM] Mozilla Foundation Security Advisory 2026-30: CVE-2026-6774 Mozilla Foundation Security Advisory 2026-30 CVE: CVE-2026-6774 Product: Firefox Impact: high Fixed in: Firefox 150
mozilla
CVE-2026-6777MEDIUMCVSS 5.3fixed in Firefox 150
CVE-2026-6777 [MEDIUM] Mozilla Foundation Security Advisory 2026-30: CVE-2026-6777 Mozilla Foundation Security Advisory 2026-30 CVE: CVE-2026-6777 Product: Firefox Impact: high Fixed in: Firefox 150
mozilla
CVE-2024-0953MEDIUMCVSS 6.1
CVE-2024-0953 [MEDIUM] Mozilla Foundation Security Advisory 2024-36: CVE-2024-0953 Mozilla Foundation Security Advisory 2024-36 CVE: CVE-2024-0953 Product: Firefox for iOS Impact: low Fixed in: Firefox for iOS 129
mozilla
CVE-2026-3889MEDIUMCVSS 6.5
CVE-2026-3889 [MEDIUM] Mozilla Foundation Security Advisory 2026-24: CVE-2026-3889 Mozilla Foundation Security Advisory 2026-24 CVE: CVE-2026-3889 Product: Thunderbird Impact: high Fixed in: Thunderbird 140.9
mozilla
CVE-2021-23993MEDIUMCVSS 6.5
CVE-2021-23993 [MEDIUM] Mozilla Foundation Security Advisory 2021-13: CVE-2021-23993 Mozilla Foundation Security Advisory 2021-13 CVE: CVE-2021-23993 Product: Thunderbird Impact: low Fixed in: Thunderbird 78.9.1
mozilla
CVE-2026-6778MEDIUMCVSS 5.3fixed in Firefox 150
CVE-2026-6778 [MEDIUM] Mozilla Foundation Security Advisory 2026-30: CVE-2026-6778 Mozilla Foundation Security Advisory 2026-30 CVE: CVE-2026-6778 Product: Firefox Impact: high Fixed in: Firefox 150
mozilla
CVE-2025-26695MEDIUMCVSS 5.3
CVE-2025-26695 [MEDIUM] Mozilla Foundation Security Advisory 2025-18: CVE-2025-26695 Mozilla Foundation Security Advisory 2025-18 CVE: CVE-2025-26695 Product: Thunderbird Impact: high Fixed in: Thunderbird 128.8
mozilla
CVE-2021-4126MEDIUMCVSS 6.5
CVE-2021-4126 [MEDIUM] Mozilla Foundation Security Advisory 2021-55: CVE-2021-4126 Mozilla Foundation Security Advisory 2021-55 CVE: CVE-2021-4126 Product: Thunderbird Impact: moderate Fixed in: Thunderbird 91.4.1
mozilla
CVE-2020-6827MEDIUMCVSS 4.7
CVE-2020-6827 [MEDIUM] Mozilla Foundation Security Advisory 2020-13: CVE-2020-6827 Mozilla Foundation Security Advisory 2020-13 CVE: CVE-2020-6827 Product: Firefox ESR Impact: high Fixed in: Firefox ESR 68.7
mozilla
CVE-2024-8394MEDIUMCVSS 6.5
CVE-2024-8394 [MEDIUM] Mozilla Foundation Security Advisory 2024-43: CVE-2024-8394 Mozilla Foundation Security Advisory 2024-43 CVE: CVE-2024-8394 Product: Thunderbird Impact: high Fixed in: Thunderbird 128.2
mozilla
CVE-2026-6779MEDIUMCVSS 5.3fixed in Firefox 150
CVE-2026-6779 [MEDIUM] Mozilla Foundation Security Advisory 2026-30: CVE-2026-6779 Mozilla Foundation Security Advisory 2026-30 CVE: CVE-2026-6779 Product: Firefox Impact: high Fixed in: Firefox 150
mozilla
CVE-2022-1196MEDIUMCVSS 6.5
CVE-2022-1196 [MEDIUM] Mozilla Foundation Security Advisory 2022-14: CVE-2022-1196 Mozilla Foundation Security Advisory 2022-14 CVE: CVE-2022-1196 Product: Firefox ESR Impact: high Fixed in: Firefox ESR 91.8
mozilla
CVE-2023-0430MEDIUMCVSS 6.5
CVE-2023-0430 [MEDIUM] Mozilla Foundation Security Advisory 2023-04: CVE-2023-0430 Mozilla Foundation Security Advisory 2023-04 CVE: CVE-2023-0430 Product: Thunderbird Impact: high Fixed in: Thunderbird 102.7.1
mozilla
CVE-2024-0606MEDIUMCVSS 6.1
CVE-2024-0606 [MEDIUM] Mozilla Foundation Security Advisory 2024-03: CVE-2024-0606 Mozilla Foundation Security Advisory 2024-03 CVE: CVE-2024-0606 Product: Focus for iOS Impact: high Fixed in: Focus for iOS 122
mozilla
CVE-2024-10474MEDIUMCVSS 6.5
CVE-2024-10474 [MEDIUM] Mozilla Foundation Security Advisory 2024-60: CVE-2024-10474 Mozilla Foundation Security Advisory 2024-60 CVE: CVE-2024-10474 Product: Focus for iOS Impact: moderate Fixed in: Focus for iOS 132
mozilla
CVE-2022-1520MEDIUMCVSS 4.3
CVE-2022-1520 [MEDIUM] Mozilla Foundation Security Advisory 2022-18: CVE-2022-1520 Mozilla Foundation Security Advisory 2022-18 CVE: CVE-2022-1520 Product: Thunderbird Impact: high Fixed in: Thunderbird 91.9
mozilla
CVE-2023-32570MEDIUMCVSS 5.9
CVE-2023-32570 [MEDIUM] Mozilla Foundation Security Advisory 2023-16: CVE-2023-32570 Mozilla Foundation Security Advisory 2023-16 CVE: CVE-2023-32570 Product: Firefox Impact: high Fixed in: Firefox 113
mozilla
CVE-2023-50762MEDIUMCVSS 4.3
CVE-2023-50762 [MEDIUM] Mozilla Foundation Security Advisory 2023-55: CVE-2023-50762 Mozilla Foundation Security Advisory 2023-55 CVE: CVE-2023-50762 Product: Thunderbird Impact: high Fixed in: Thunderbird 115.6
mozilla
CVE-2020-15646MEDIUMCVSS 5.9
CVE-2020-15646 [MEDIUM] Mozilla Foundation Security Advisory 2020-26: CVE-2020-15646 Mozilla Foundation Security Advisory 2020-26 CVE: CVE-2020-15646 Product: Thunderbird Impact: moderate Fixed in: Thunderbird 68.10
mozilla
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