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 157 of 160
CVE-2020-6794MEDIUMCVSS 6.5
CVE-2020-6794 [MEDIUM] Mozilla Foundation Security Advisory 2020-07: CVE-2020-6794 Mozilla Foundation Security Advisory 2020-07 CVE: CVE-2020-6794 Product: Thunderbird Impact: high Fixed in: Thunderbird 68.5
mozilla
CVE-2025-5986MEDIUMCVSS 6.5
CVE-2025-5986 [MEDIUM] Mozilla Foundation Security Advisory 2025-49: CVE-2025-5986 Mozilla Foundation Security Advisory 2025-49 CVE: CVE-2025-5986 Product: Thunderbird Impact: high Fixed in: Thunderbird 128.11.1
mozilla
CVE-2020-6792MEDIUMCVSS 4.3
CVE-2020-6792 [MEDIUM] Mozilla Foundation Security Advisory 2020-07: CVE-2020-6792 Mozilla Foundation Security Advisory 2020-07 CVE: CVE-2020-6792 Product: Thunderbird Impact: high Fixed in: Thunderbird 68.5
mozilla
CVE-2020-12397MEDIUMCVSS 4.3
CVE-2020-12397 [MEDIUM] Mozilla Foundation Security Advisory 2020-18: CVE-2020-12397 Mozilla Foundation Security Advisory 2020-18 CVE: CVE-2020-12397 Product: Thunderbird Impact: critical Fixed in: Thunderbird 68.8
mozilla
CVE-2022-3032MEDIUMCVSS 6.5
CVE-2022-3032 [MEDIUM] Mozilla Foundation Security Advisory 2022-39: CVE-2022-3032 Mozilla Foundation Security Advisory 2022-39 CVE: CVE-2022-3032 Product: Thunderbird Impact: moderate Fixed in: Thunderbird 91.13.1
mozilla
CVE-2025-3932MEDIUMCVSS 6.5
CVE-2025-3932 [MEDIUM] Mozilla Foundation Security Advisory 2025-34: CVE-2025-3932 Mozilla Foundation Security Advisory 2025-34 CVE: CVE-2025-3932 Product: Thunderbird Impact: low Fixed in: Thunderbird 128.10.1
mozilla
CVE-2020-6793MEDIUMCVSS 6.5
CVE-2020-6793 [MEDIUM] Mozilla Foundation Security Advisory 2020-07: CVE-2020-6793 Mozilla Foundation Security Advisory 2020-07 CVE: CVE-2020-6793 Product: Thunderbird Impact: high Fixed in: Thunderbird 68.5
mozilla
CVE-2025-5283MEDIUMCVSS 5.4
CVE-2025-5283 [MEDIUM] Mozilla Foundation Security Advisory 2025-42: CVE-2025-5283 Mozilla Foundation Security Advisory 2025-42 CVE: CVE-2025-5283 Product: Firefox Impact: moderate Fixed in: Firefox 139
mozilla
CVE-2025-1015MEDIUMCVSS 5.4
CVE-2025-1015 [MEDIUM] Mozilla Foundation Security Advisory 2025-10: CVE-2025-1015 Mozilla Foundation Security Advisory 2025-10 CVE: CVE-2025-1015 Product: Thunderbird Impact: moderate Fixed in: Thunderbird 128.7
mozilla
CVE-2024-50336MEDIUMCVSS 5.3
CVE-2024-50336 [MEDIUM] Mozilla Foundation Security Advisory 2024-69: CVE-2024-50336 Mozilla Foundation Security Advisory 2024-69 CVE: CVE-2024-50336 Product: Thunderbird Impact: moderate Fixed in: Thunderbird 128.5.2
mozilla
CVE-2025-3859MEDIUMCVSS 6.1
CVE-2025-3859 [MEDIUM] Mozilla Foundation Security Advisory 2025-33: CVE-2025-3859 Mozilla Foundation Security Advisory 2025-33 CVE: CVE-2025-3859 Product: Focus Impact: moderate Fixed in: Focus 138
mozilla
CVE-2021-23992MEDIUMCVSS 4.3
CVE-2021-23992 [MEDIUM] Mozilla Foundation Security Advisory 2021-13: CVE-2021-23992 Mozilla Foundation Security Advisory 2021-13 CVE: CVE-2021-23992 Product: Thunderbird Impact: low Fixed in: Thunderbird 78.9.1
mozilla
CVE-2025-55033MEDIUMCVSS 6.1
CVE-2025-55033 [MEDIUM] Mozilla Foundation Security Advisory 2025-69: CVE-2025-55033 Mozilla Foundation Security Advisory 2025-69 CVE: CVE-2025-55033 Product: Focus for iOS Impact: moderate Fixed in: Focus for iOS 142
mozilla
CVE-2022-3034MEDIUMCVSS 4.3
CVE-2022-3034 [MEDIUM] Mozilla Foundation Security Advisory 2022-38: CVE-2022-3034 Mozilla Foundation Security Advisory 2022-38 CVE: CVE-2022-3034 Product: Thunderbird Impact: moderate Fixed in: Thunderbird 102.2.1
mozilla
CVE-2026-0818MEDIUMCVSS 4.3
CVE-2026-0818 [MEDIUM] Mozilla Foundation Security Advisory 2026-07: CVE-2026-0818 Mozilla Foundation Security Advisory 2026-07 CVE: CVE-2026-0818 Product: Thunderbird Impact: moderate Fixed in: Thunderbird 147.0.1
mozilla
CVE-2023-29479MEDIUMCVSS 5.3
CVE-2023-29479 [MEDIUM] Mozilla Foundation Security Advisory 2023-15: CVE-2023-29479 Mozilla Foundation Security Advisory 2023-15 CVE: CVE-2023-29479 Product: Thunderbird Impact: high Fixed in: Thunderbird 102.10
mozilla
CVE-2022-26386MEDIUMCVSS 6.5
CVE-2022-26386 [MEDIUM] Mozilla Foundation Security Advisory 2022-12: CVE-2022-26386 Mozilla Foundation Security Advisory 2022-12 CVE: CVE-2022-26386 Product: Thunderbird Impact: low Fixed in: Thunderbird 91.7
mozilla
CVE-2023-1999MEDIUMCVSS 5.3
CVE-2023-1999 [MEDIUM] Mozilla Foundation Security Advisory 2023-13: CVE-2023-1999 Mozilla Foundation Security Advisory 2023-13 CVE: CVE-2023-1999 Product: Firefox, Firefox for Android, Focus for Android Impact: high Fixed in: Firefox 112 Firefox for Android 112 Focus for Android 112
mozilla
CVE-2021-38502MEDIUMCVSS 5.9
CVE-2021-38502 [MEDIUM] Mozilla Foundation Security Advisory 2021-47: CVE-2021-38502 Mozilla Foundation Security Advisory 2021-47 CVE: CVE-2021-38502 Product: Thunderbird Impact: high Fixed in: Thunderbird 91.2
mozilla
CVE-2025-3877MEDIUMCVSS 6.5
CVE-2025-3877 [MEDIUM] Mozilla Foundation Security Advisory 2025-34: CVE-2025-3877 Mozilla Foundation Security Advisory 2025-34 CVE: CVE-2025-3877 Product: Thunderbird Impact: low Fixed in: Thunderbird 128.10.1
mozilla
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