Known vulnerabilities in Mozilla Thunderbird - page 10

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
#VU126662 - Use After Free
CVE-2026-6747
CWE-416 High
No
No
140.10.0, 150.0 21.04.2026 SB2026042145
SB20260422179
SB20260422180
and 30 more
#VU126663 - Use of Uninitialized Resource
CVE-2026-6748
CWE-908 High
No
No
140.10.0, 150.0 21.04.2026 SB2026042145
SB20260422179
SB20260422180
and 30 more
#VU126664 - Use of Uninitialized Resource
CVE-2026-6751
CWE-908 High
No
No
140.10.0, 150.0 21.04.2026 SB2026042145
SB20260422179
SB20260422180
and 30 more
#VU126665 - Memory corruption
CVE-2026-6753
CWE-119 Medium
No
No
140.10.0, 150.0 21.04.2026 SB2026042145
SB20260422179
SB20260422180
and 30 more
#VU126654 - Use of Uninitialized Resource
CVE-2026-6749
CWE-908 Medium
No
No
140.10.0, 150.0 21.04.2026 SB2026042145
SB20260422179
SB20260422180
and 30 more
#VU126655 - Improper Access Control
CVE-2026-6750
CWE-284 High
No
No
140.10.0, 150.0 21.04.2026 SB2026042145
SB20260422179
SB20260422180
and 30 more
#VU126656 - Out-of-bounds read
CVE-2026-6752
CWE-125 Medium
No
No
140.10.0, 150.0 21.04.2026 SB2026042145
SB20260422179
SB20260422180
and 30 more
#VU126657 - Use After Free
CVE-2026-6754
CWE-416 High
No
No
140.10.0, 150.0 21.04.2026 SB2026042145
SB20260422179
SB20260422180
and 30 more
#VU125092 - Memory corruption
CVE-2026-5735
CWE-119 High
No
No
149.0.2 07.04.2026 SB20260407101
SB20260407103
#VU125091 - Memory corruption
CVE-2026-5733
CWE-119 High
No
No
149.0.2 07.04.2026 SB20260407101
SB20260407103
#VU125090 - Memory corruption
CVE-2026-5734
CWE-119 High
No
No
140.9.1, 149.0.2 07.04.2026 SB20260407101
SB20260407102
SB20260407103
and 37 more
#VU125089 - Integer overflow
CVE-2026-5732
CWE-190 High
No
No
140.9.1, 149.0.2 07.04.2026 SB20260407101
SB20260407102
SB20260407103
and 37 more
#VU125088 - Memory corruption
CVE-2026-5731
CWE-119 High
No
No
140.9.1, 149.0.2 07.04.2026 SB20260407101
SB20260407102
SB20260407103
and 37 more
#VU124332 - Resource exhaustion
CVE-2026-4727
CWE-400 Medium
No
No
149.0 24.03.2026 SB2026032468
SB20260325202
SB2026032725
#VU124333 - Cross-Site Request Forgery (CSRF)
CVE-2026-4728
CWE-352 Low
No
No
149.0 24.03.2026 SB2026032468
SB20260325202
SB2026032725
#VU124334 - Out-of-bounds write
CVE-2026-4729
CWE-787 High
No
No
149.0 24.03.2026 SB2026032468
SB20260325202
SB2026032725
#VU124327 - Improper Privilege Management
CVE-2026-4722
CWE-269 High
No
No
149.0 24.03.2026 SB2026032468
SB20260325202
SB2026032725
#VU124328 - Use After Free
CVE-2026-4723
CWE-416 High
No
No
149.0 24.03.2026 SB2026032468
SB20260325202
SB2026032725
#VU124330 - Use After Free
CVE-2026-4725
CWE-416 High
No
No
149.0 24.03.2026 SB2026032468
SB20260325202
SB2026032725
#VU124331 - Resource exhaustion
CVE-2026-4726
CWE-400 Medium
No
No
149.0 24.03.2026 SB2026032468
SB20260325202
SB2026032725


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