Known vulnerabilities in Mozilla Thunderbird - page 9

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
#VU126678 - Protection Mechanism Failure
CVE-2026-6755
CWE-693 Medium
No
No
150.0 21.04.2026 SB2026042145
SB20260422180
#VU126680 - Use After Free
CVE-2026-6758
CWE-416 Medium
No
No
150.0 21.04.2026 SB2026042145
SB20260422180
#VU126681 - Protection Mechanism Failure
CVE-2026-6760
CWE-693 Medium
No
No
150.0 21.04.2026 SB2026042145
SB20260422180
#VU126666 - NULL Pointer Dereference
CVE-2026-6757
CWE-476 Medium
No
No
140.10.0, 150.0 21.04.2026 SB2026042145
SB20260422179
SB20260422180
and 30 more
#VU126667 - Use After Free
CVE-2026-6759
CWE-416 Low
No
No
140.10.0, 150.0 21.04.2026 SB2026042145
SB20260422179
SB20260422180
and 27 more
#VU126668 - Improper Access Control
CVE-2026-6761
CWE-284 High
No
No
140.10.0, 150.0 21.04.2026 SB2026042145
SB20260422179
SB20260422180
and 30 more
#VU126669 - Protection Mechanism Failure
CVE-2026-6763
CWE-693 Medium
No
No
140.10.0, 150.0 21.04.2026 SB2026042145
SB20260422179
SB20260422180
and 30 more
#VU126670 - Memory corruption
CVE-2026-6764
CWE-119 Medium
No
No
140.10.0, 150.0 21.04.2026 SB2026042145
SB20260422179
SB20260422180
and 30 more
#VU126671 - Exposure of sensitive information to an unauthorized actor
CVE-2026-6765
CWE-200 Medium
No
No
140.10.0, 150.0 21.04.2026 SB2026042145
SB20260422179
SB20260422180
and 30 more
#VU126672 - Memory corruption
CVE-2026-6766
CWE-119 Medium
No
No
140.10.0, 150.0 21.04.2026 SB2026042145
SB20260422179
SB20260422180
and 30 more
#VU126673 - Improper Access Control
CVE-2026-6769
CWE-284 High
No
No
140.10.0, 150.0 21.04.2026 SB2026042145
SB20260422179
SB20260422180
and 30 more
#VU126674 - Improper input validation
CVE-2026-6770
CWE-20 Medium
No
No
140.10.0, 150.0 21.04.2026 SB2026042145
SB20260422179
SB20260422180
and 30 more
#VU126675 - Protection Mechanism Failure
CVE-2026-6771
CWE-693 Medium
No
No
140.10.0, 150.0 21.04.2026 SB2026042145
SB20260422179
SB20260422180
and 30 more
#VU126676 - Memory corruption
CVE-2026-6776
CWE-119 Low
No
No
140.10.0, 150.0 21.04.2026 SB2026042145
SB20260422179
SB20260422180
and 30 more
#VU126677 - Memory corruption
CVE-2026-6786
CWE-119 High
No
No
140.10.0, 150.0 21.04.2026 SB2026042145
SB20260422179
SB20260422180
and 29 more
#VU126653 - Use After Free
CVE-2026-6746
CWE-416 High
No
No
140.10.0, 150.0 21.04.2026 SB2026042145
SB20260422179
SB20260422180
and 30 more
#VU126658 - Improper input validation
CVE-2026-6762
CWE-20 Low
No
No
140.10.0, 150.0 21.04.2026 SB2026042145
SB20260422179
SB20260422180
and 30 more
#VU126659 - Improper input validation
CVE-2026-6767
CWE-20 Low
No
No
140.10.0, 150.0 21.04.2026 SB2026042145
SB20260422179
SB20260422180
and 30 more
#VU126660 - Out-of-bounds read
CVE-2026-6772
CWE-125 Medium
No
No
140.10.0, 150.0 21.04.2026 SB2026042145
SB20260422179
SB20260422180
and 31 more
#VU126661 - Memory corruption
CVE-2026-6785
CWE-119 High
No
No
140.10.0, 150.0 21.04.2026 SB2026042145
SB20260422179
SB20260422180
and 29 more


Showing elements 161 - 180 out of 1221