Mozilla Thunderbird vulnerabilities
2,511 known vulnerabilities affecting mozilla/thunderbird.
Total CVEs
2,511
CISA KEV
14
actively exploited
Public exploits
63
Exploited in wild
25
Severity breakdown
CRITICAL739HIGH767MEDIUM747LOW29UNKNOWN229
Vulnerabilities
Page 109 of 126
CVE-2026-117937P4UNKNOWNfixed in Thunderbird 153.6
CVE-2026-117937 Mozilla Foundation Security Advisory 2026-122: CVE-2026-117937
Mozilla Foundation Security Advisory 2026-122
CVE: CVE-2026-117937
Product: Thunderbird
Impact: low
Fixed in: Thunderbird 153.6
mozilla
CVE-2026-117954P4UNKNOWNfixed in Thunderbird 153.6
CVE-2026-117954 Mozilla Foundation Security Advisory 2026-122: CVE-2026-117954
Mozilla Foundation Security Advisory 2026-122
CVE: CVE-2026-117954
Product: Thunderbird
Impact: low
Fixed in: Thunderbird 153.6
mozilla
CVE-2026-117938P4UNKNOWNfixed in Thunderbird 153.6
CVE-2026-117938 Mozilla Foundation Security Advisory 2026-122: CVE-2026-117938
Mozilla Foundation Security Advisory 2026-122
CVE: CVE-2026-117938
Product: Thunderbird
Impact: low
Fixed in: Thunderbird 153.6
mozilla
CVE-2026-117887P4UNKNOWNfixed in Thunderbird 159
CVE-2026-117887 Mozilla Foundation Security Advisory 2026-121: CVE-2026-117887
Mozilla Foundation Security Advisory 2026-121
CVE: CVE-2026-117887
Product: Thunderbird
Impact: low
Fixed in: Thunderbird 159
mozilla
CVE-2026-117917P4UNKNOWNfixed in Thunderbird 159
CVE-2026-117917 Mozilla Foundation Security Advisory 2026-121: CVE-2026-117917
Mozilla Foundation Security Advisory 2026-121
CVE: CVE-2026-117917
Product: Thunderbird
Impact: low
Fixed in: Thunderbird 159
mozilla
CVE-2026-117978P4UNKNOWNfixed in Thunderbird 153.6
CVE-2026-117978 Mozilla Foundation Security Advisory 2026-122: CVE-2026-117978
Mozilla Foundation Security Advisory 2026-122
CVE: CVE-2026-117978
Product: Thunderbird
Impact: low
Fixed in: Thunderbird 153.6
mozilla
CVE-2026-117950P4UNKNOWNfixed in Thunderbird 153.6
CVE-2026-117950 Mozilla Foundation Security Advisory 2026-122: CVE-2026-117950
Mozilla Foundation Security Advisory 2026-122
CVE: CVE-2026-117950
Product: Thunderbird
Impact: low
Fixed in: Thunderbird 153.6
mozilla
CVE-2026-117901P4UNKNOWNfixed in Thunderbird 159
CVE-2026-117901 Mozilla Foundation Security Advisory 2026-121: CVE-2026-117901
Mozilla Foundation Security Advisory 2026-121
CVE: CVE-2026-117901
Product: Thunderbird
Impact: low
Fixed in: Thunderbird 159
mozilla
CVE-2026-117881P4UNKNOWNfixed in Thunderbird 153.6
CVE-2026-117881 Mozilla Foundation Security Advisory 2026-122: CVE-2026-117881
Mozilla Foundation Security Advisory 2026-122
CVE: CVE-2026-117881
Product: Thunderbird
Impact: low
Fixed in: Thunderbird 153.6
mozilla
CVE-2026-117951P4UNKNOWNfixed in Thunderbird 153.6
CVE-2026-117951 Mozilla Foundation Security Advisory 2026-122: CVE-2026-117951
Mozilla Foundation Security Advisory 2026-122
CVE: CVE-2026-117951
Product: Thunderbird
Impact: low
Fixed in: Thunderbird 153.6
mozilla
CVE-2026-117948P4UNKNOWNfixed in Thunderbird 159
CVE-2026-117948 Mozilla Foundation Security Advisory 2026-121: CVE-2026-117948
Mozilla Foundation Security Advisory 2026-121
CVE: CVE-2026-117948
Product: Thunderbird
Impact: low
Fixed in: Thunderbird 159
mozilla
CVE-2026-117929P4UNKNOWNfixed in Thunderbird 153.6
CVE-2026-117929 Mozilla Foundation Security Advisory 2026-122: CVE-2026-117929
Mozilla Foundation Security Advisory 2026-122
CVE: CVE-2026-117929
Product: Thunderbird
Impact: low
Fixed in: Thunderbird 153.6
mozilla
CVE-2026-117949P4UNKNOWNfixed in Thunderbird 159
CVE-2026-117949 Mozilla Foundation Security Advisory 2026-121: CVE-2026-117949
Mozilla Foundation Security Advisory 2026-121
CVE: CVE-2026-117949
Product: Thunderbird
Impact: low
Fixed in: Thunderbird 159
mozilla
CVE-2026-117911P4UNKNOWNfixed in Thunderbird 159
CVE-2026-117911 Mozilla Foundation Security Advisory 2026-121: CVE-2026-117911
Mozilla Foundation Security Advisory 2026-121
CVE: CVE-2026-117911
Product: Thunderbird
Impact: low
Fixed in: Thunderbird 159
mozilla
CVE-2026-117879P4UNKNOWNfixed in Thunderbird 159
CVE-2026-117879 Mozilla Foundation Security Advisory 2026-121: CVE-2026-117879
Mozilla Foundation Security Advisory 2026-121
CVE: CVE-2026-117879
Product: Thunderbird
Impact: low
Fixed in: Thunderbird 159
mozilla
CVE-2026-117931P4UNKNOWNfixed in Thunderbird 159
CVE-2026-117931 Mozilla Foundation Security Advisory 2026-121: CVE-2026-117931
Mozilla Foundation Security Advisory 2026-121
CVE: CVE-2026-117931
Product: Thunderbird
Impact: low
Fixed in: Thunderbird 159
mozilla
CVE-2026-117886P4UNKNOWNfixed in Thunderbird 153.6
CVE-2026-117886 Mozilla Foundation Security Advisory 2026-122: CVE-2026-117886
Mozilla Foundation Security Advisory 2026-122
CVE: CVE-2026-117886
Product: Thunderbird
Impact: low
Fixed in: Thunderbird 153.6
mozilla
CVE-2026-117952P4UNKNOWNfixed in Thunderbird 153.6
CVE-2026-117952 Mozilla Foundation Security Advisory 2026-122: CVE-2026-117952
Mozilla Foundation Security Advisory 2026-122
CVE: CVE-2026-117952
Product: Thunderbird
Impact: low
Fixed in: Thunderbird 153.6
mozilla
CVE-2026-117942P4UNKNOWNfixed in Thunderbird 159
CVE-2026-117942 Mozilla Foundation Security Advisory 2026-121: CVE-2026-117942
Mozilla Foundation Security Advisory 2026-121
CVE: CVE-2026-117942
Product: Thunderbird
Impact: low
Fixed in: Thunderbird 159
mozilla
CVE-2026-117863P4UNKNOWNfixed in Thunderbird 153.6
CVE-2026-117863 Mozilla Foundation Security Advisory 2026-122: CVE-2026-117863
Mozilla Foundation Security Advisory 2026-122
CVE: CVE-2026-117863
Product: Thunderbird
Impact: low
Fixed in: Thunderbird 153.6
mozilla