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 105 of 126
CVE-2026-117989P4UNKNOWNfixed in Thunderbird 159
CVE-2026-117989 Mozilla Foundation Security Advisory 2026-121: CVE-2026-117989
Mozilla Foundation Security Advisory 2026-121
CVE: CVE-2026-117989
Product: Thunderbird
Impact: low
Fixed in: Thunderbird 159
mozilla
CVE-2026-117985P4UNKNOWNfixed in Thunderbird 153.6
CVE-2026-117985 Mozilla Foundation Security Advisory 2026-122: CVE-2026-117985
Mozilla Foundation Security Advisory 2026-122
CVE: CVE-2026-117985
Product: Thunderbird
Impact: low
Fixed in: Thunderbird 153.6
mozilla
CVE-2026-117904P4UNKNOWNfixed in Thunderbird 153.6
CVE-2026-117904 Mozilla Foundation Security Advisory 2026-122: CVE-2026-117904
Mozilla Foundation Security Advisory 2026-122
CVE: CVE-2026-117904
Product: Thunderbird
Impact: low
Fixed in: Thunderbird 153.6
mozilla
CVE-2026-117933P4UNKNOWNfixed in Thunderbird 159
CVE-2026-117933 Mozilla Foundation Security Advisory 2026-121: CVE-2026-117933
Mozilla Foundation Security Advisory 2026-121
CVE: CVE-2026-117933
Product: Thunderbird
Impact: low
Fixed in: Thunderbird 159
mozilla
CVE-2026-117932P4UNKNOWNfixed in Thunderbird 159
CVE-2026-117932 Mozilla Foundation Security Advisory 2026-121: CVE-2026-117932
Mozilla Foundation Security Advisory 2026-121
CVE: CVE-2026-117932
Product: Thunderbird
Impact: low
Fixed in: Thunderbird 159
mozilla
CVE-2026-117973P4UNKNOWNfixed in Thunderbird 159
CVE-2026-117973 Mozilla Foundation Security Advisory 2026-121: CVE-2026-117973
Mozilla Foundation Security Advisory 2026-121
CVE: CVE-2026-117973
Product: Thunderbird
Impact: low
Fixed in: Thunderbird 159
mozilla
CVE-2026-117940P4UNKNOWNfixed in Thunderbird 159
CVE-2026-117940 Mozilla Foundation Security Advisory 2026-121: CVE-2026-117940
Mozilla Foundation Security Advisory 2026-121
CVE: CVE-2026-117940
Product: Thunderbird
Impact: low
Fixed in: Thunderbird 159
mozilla
CVE-2026-118004P4UNKNOWNfixed in Thunderbird 153.6
CVE-2026-118004 Mozilla Foundation Security Advisory 2026-122: CVE-2026-118004
Mozilla Foundation Security Advisory 2026-122
CVE: CVE-2026-118004
Product: Thunderbird
Impact: low
Fixed in: Thunderbird 153.6
mozilla
CVE-2026-117920P4UNKNOWNfixed in Thunderbird 153.6
CVE-2026-117920 Mozilla Foundation Security Advisory 2026-122: CVE-2026-117920
Mozilla Foundation Security Advisory 2026-122
CVE: CVE-2026-117920
Product: Thunderbird
Impact: low
Fixed in: Thunderbird 153.6
mozilla
CVE-2026-117962P4UNKNOWNfixed in Thunderbird 159
CVE-2026-117962 Mozilla Foundation Security Advisory 2026-121: CVE-2026-117962
Mozilla Foundation Security Advisory 2026-121
CVE: CVE-2026-117962
Product: Thunderbird
Impact: low
Fixed in: Thunderbird 159
mozilla
CVE-2026-117888P4UNKNOWNfixed in Thunderbird 159
CVE-2026-117888 Mozilla Foundation Security Advisory 2026-121: CVE-2026-117888
Mozilla Foundation Security Advisory 2026-121
CVE: CVE-2026-117888
Product: Thunderbird
Impact: low
Fixed in: Thunderbird 159
mozilla
CVE-2026-117980P4UNKNOWNfixed in Thunderbird 159
CVE-2026-117980 Mozilla Foundation Security Advisory 2026-121: CVE-2026-117980
Mozilla Foundation Security Advisory 2026-121
CVE: CVE-2026-117980
Product: Thunderbird
Impact: low
Fixed in: Thunderbird 159
mozilla
CVE-2026-117861P4UNKNOWNfixed in Thunderbird 159
CVE-2026-117861 Mozilla Foundation Security Advisory 2026-121: CVE-2026-117861
Mozilla Foundation Security Advisory 2026-121
CVE: CVE-2026-117861
Product: Thunderbird
Impact: low
Fixed in: Thunderbird 159
mozilla
CVE-2026-117977P4UNKNOWNfixed in Thunderbird 159
CVE-2026-117977 Mozilla Foundation Security Advisory 2026-121: CVE-2026-117977
Mozilla Foundation Security Advisory 2026-121
CVE: CVE-2026-117977
Product: Thunderbird
Impact: low
Fixed in: Thunderbird 159
mozilla
CVE-2026-117865P4UNKNOWNfixed in Thunderbird 153.6
CVE-2026-117865 Mozilla Foundation Security Advisory 2026-122: CVE-2026-117865
Mozilla Foundation Security Advisory 2026-122
CVE: CVE-2026-117865
Product: Thunderbird
Impact: low
Fixed in: Thunderbird 153.6
mozilla
CVE-2026-117957P4UNKNOWNfixed in Thunderbird 159
CVE-2026-117957 Mozilla Foundation Security Advisory 2026-121: CVE-2026-117957
Mozilla Foundation Security Advisory 2026-121
CVE: CVE-2026-117957
Product: Thunderbird
Impact: low
Fixed in: Thunderbird 159
mozilla
CVE-2026-117955P4UNKNOWNfixed in Thunderbird 159
CVE-2026-117955 Mozilla Foundation Security Advisory 2026-121: CVE-2026-117955
Mozilla Foundation Security Advisory 2026-121
CVE: CVE-2026-117955
Product: Thunderbird
Impact: low
Fixed in: Thunderbird 159
mozilla
CVE-2026-117986P4UNKNOWNfixed in Thunderbird 153.6
CVE-2026-117986 Mozilla Foundation Security Advisory 2026-122: CVE-2026-117986
Mozilla Foundation Security Advisory 2026-122
CVE: CVE-2026-117986
Product: Thunderbird
Impact: low
Fixed in: Thunderbird 153.6
mozilla
CVE-2026-117994P4UNKNOWNfixed in Thunderbird 159
CVE-2026-117994 Mozilla Foundation Security Advisory 2026-121: CVE-2026-117994
Mozilla Foundation Security Advisory 2026-121
CVE: CVE-2026-117994
Product: Thunderbird
Impact: low
Fixed in: Thunderbird 159
mozilla
CVE-2026-117945P4UNKNOWNfixed in Thunderbird 159
CVE-2026-117945 Mozilla Foundation Security Advisory 2026-121: CVE-2026-117945
Mozilla Foundation Security Advisory 2026-121
CVE: CVE-2026-117945
Product: Thunderbird
Impact: low
Fixed in: Thunderbird 159
mozilla