Known vulnerabilities in Mozilla Thunderbird - page 6

Vendor: Mozilla
Software CPE: cpe:2.3:a:mozilla:mozilla_thunderbird:*:*:*:*:*:*:*:*
Total vulnerabilities: 1276
Public exploits: 34
Known exploited (KEV): 12

Breakdown by Severity Chart

Severity distribution of vulnerabilities affecting Mozilla Thunderbird Mozilla Thunderbird is affected by 1276 known vulnerabilities: 10 critical, 565 high, 369 medium, 332 low Critical High Medium Low

Vulnerabilities (1276)

Vulnerability CWE-ID CSH Severity Public Exploit KEV First fixed release Published Bulletins
#VU139184 - Uncontrolled Memory Allocation
CVE-2026-57962
CWE-789 Medium
No
No
140.12.1, 152.0.1 22.07.2026 SB2026072297
SB2026072303
SB2026072304
and 1 more
#VU139015 - Improper Access Control
CVE-2026-16398
CWE-284 Medium
No
No
153.0 22.07.2026 SB2026072201
SB2026072302
SB20260921201
and 1 more
#VU139016 - Improper Access Control
CVE-2026-16399
CWE-284 Medium
No
No
153.0 22.07.2026 SB2026072201
SB2026072302
SB20260921201
and 1 more
#VU139017 - Exposure of sensitive information to an unauthorized actor
CVE-2026-16400
CWE-200 Low
No
No
153.0 22.07.2026 SB2026072201
SB2026072302
SB20260921201
and 1 more
#VU139018 - Improper Privilege Management
CVE-2026-16401
CWE-269 Medium
No
No
153.0 22.07.2026 SB2026072201
SB2026072302
SB20260921201
and 1 more
#VU139019 - Integer overflow
CVE-2026-16402
CWE-190 Low
No
No
153.0 22.07.2026 SB2026072201
SB2026072302
SB20260921201
and 1 more
#VU139020 - User Interface (UI) Misrepresentation of Critical Information (Clickjacking, spoofing)
CVE-2026-16403
CWE-451 Low
No
No
153.0 22.07.2026 SB2026072201
SB2026072302
SB20260921201
and 1 more
#VU139022 - Protection Mechanism Failure
CVE-2026-16406
CWE-693 Low
No
No
153.0 22.07.2026 SB2026072201
SB2026072302
SB20260921201
and 1 more
#VU139023 - Protection Mechanism Failure
CVE-2026-16407
CWE-693 Low
No
No
153.0 22.07.2026 SB2026072201
SB2026072302
SB20260921201
and 1 more
#VU139024 - Integer overflow
CVE-2026-16408
CWE-190 Low
No
No
153.0 22.07.2026 SB2026072201
SB2026072302
SB20260921201
and 1 more
#VU139025 - NULL Pointer Dereference
CVE-2026-16409
CWE-476 Low
No
No
153.0 22.07.2026 SB2026072201
SB2026072302
SB20260921201
and 1 more
#VU139026 - Incorrect Calculation
CVE-2026-16410
CWE-682 Low
No
No
153.0 22.07.2026 SB2026072201
SB2026072302
SB20260921201
and 1 more
#VU139027 - Memory corruption
CVE-2026-16411
CWE-119 Medium
No
No
153.0 22.07.2026 SB2026072201
SB2026072302
SB20260921201
and 1 more
#VU138991 - Improper Privilege Management
CVE-2026-16396
CWE-269 Medium
No
No
140.13.0, 153.0 21.07.2026 SB2026072201
SB2026072301
SB2026072302
and 20 more
#VU138992 - Exposure of sensitive information to an unauthorized actor
CVE-2026-16405
CWE-200 Low
No
No
140.13.0, 153.0 21.07.2026 SB2026072201
SB2026072301
SB2026072302
and 20 more
#VU138993 - Memory corruption
CVE-2026-16412
CWE-119 High
No
No
140.13.0, 153.0 21.07.2026 SB2026072201
SB2026072301
SB2026072302
and 20 more
#VU138975 - Memory corruption
CVE-2026-16360
CWE-119 High
No
No
140.13.0, 153.0 21.07.2026 SB2026072201
SB2026072301
SB2026072302
and 20 more
#VU138976 - Memory corruption
CVE-2026-16361
CWE-119 High
No
No
140.13.0 21.07.2026 SB2026072201
SB2026072301
SB2026072442
and 17 more
#VU137818 - Improper Access Control
CVE-2026-15719
CWE-284 High
No
No
140.13.0 16.07.2026 SB2026071604
SB2026072301
SB2026072442
and 17 more
#VU137817 - Access of Uninitialized Pointer
CVE-2026-15718
CWE-824 High
Available
No
140.13.0 16.07.2026 SB2026071604
SB2026072301
SB2026072442
and 17 more


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