Known vulnerabilities in Mozilla Thunderbird - page 2

Vendor: Mozilla
Software CPE: cpe:2.3:a:mozilla:mozilla_thunderbird:*:*:*:*:*:*:*:*
Total vulnerabilities: 1221
Public exploits: 32
Known exploited (KEV): 12
Highest CVSSv4 Score: 9.3

Breakdown by Severity Chart

Severity distribution of vulnerabilities affecting Mozilla Thunderbird Mozilla Thunderbird is affected by 1221 known vulnerabilities: 10 critical, 549 high, 341 medium, 321 low Critical High Medium Low

Vulnerabilities (1221)

Vulnerability CWE-ID CSH Severity Public Exploit KEV First fixed release Published Bulletins
#VU139188 - Off-by-one Error
CVE-2026-14899
CWE-193 Medium
No
No
140.13.0, 153.0 23.07.2026 SB2026072301
SB2026072302
SB2026080368
and 6 more
#VU139016 - Improper Access Control
CVE-2026-16399
CWE-284 Medium
No
No
153.0 22.07.2026 SB2026072201
SB2026072302
#VU139017 - Exposure of sensitive information to an unauthorized actor
CVE-2026-16400
CWE-200 Low
No
No
153.0 22.07.2026 SB2026072201
SB2026072302
#VU139018 - Improper Privilege Management
CVE-2026-16401
CWE-269 Medium
No
No
153.0 22.07.2026 SB2026072201
SB2026072302
#VU139019 - Integer overflow
CVE-2026-16402
CWE-190 Low
No
No
153.0 22.07.2026 SB2026072201
SB2026072302
#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
#VU139022 - Protection Mechanism Failure
CVE-2026-16406
CWE-693 Low
No
No
153.0 22.07.2026 SB2026072201
SB2026072302
#VU139023 - Protection Mechanism Failure
CVE-2026-16407
CWE-693 Low
No
No
153.0 22.07.2026 SB2026072201
SB2026072302
#VU139024 - Integer overflow
CVE-2026-16408
CWE-190 Low
No
No
153.0 22.07.2026 SB2026072201
SB2026072302
#VU139025 - NULL Pointer Dereference
CVE-2026-16409
CWE-476 Low
No
No
153.0 22.07.2026 SB2026072201
SB2026072302
#VU139026 - Incorrect Calculation
CVE-2026-16410
CWE-682 Low
No
No
153.0 22.07.2026 SB2026072201
SB2026072302
#VU139027 - Memory corruption
CVE-2026-16411
CWE-119 Medium
No
No
153.0 22.07.2026 SB2026072201
SB2026072302
#VU138977 - Use After Free
CVE-2026-16362
CWE-416 High
No
No
140.13.0, 153.0 21.07.2026 SB2026072201
SB2026072301
SB2026072302
and 14 more
#VU138978 - Incorrect Calculation
CVE-2026-16363
CWE-682 High
No
No
140.13.0, 153.0 21.07.2026 SB2026072201
SB2026072301
SB2026072302
and 14 more
#VU138964 - Improper Access Control
CVE-2026-16349
CWE-284 Medium
No
No
140.13.0, 153.0 21.07.2026 SB2026072201
SB2026072301
SB2026072302
and 14 more
#VU138965 - Improper input validation
CVE-2026-16350
CWE-20 Medium
No
No
140.13.0, 153.0 21.07.2026 SB2026072201
SB2026072301
SB2026072302
and 12 more
#VU138966 - Use After Free
CVE-2026-16351
CWE-416 High
No
No
140.13.0, 153.0 21.07.2026 SB2026072201
SB2026072301
SB2026072302
and 12 more
#VU138967 - Use After Free
CVE-2026-16352
CWE-416 High
No
No
140.13.0, 153.0 21.07.2026 SB2026072201
SB2026072301
SB2026072302
and 12 more
#VU137818 - Improper Access Control
CVE-2026-15719
CWE-284 High
No
No
140.13.0 16.07.2026 SB2026071604
SB2026072301
SB2026072442
and 11 more
#VU137817 - Access of Uninitialized Pointer
CVE-2026-15718
CWE-824 High
No
No
140.13.0 16.07.2026 SB2026071604
SB2026072301
SB2026072442
and 13 more


Showing elements 21 - 40 out of 1221