Known vulnerabilities in Mozilla Thunderbird - page 3

Vendor: Mozilla
Software CPE: cpe:2.3:a:mozilla:mozilla_thunderbird:*:*:*:*:*:*:*:*
Total vulnerabilities: 1276
Public exploits: 34
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 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
#VU144062 - Improper Privilege Management
CVE-2026-74953
CWE-269 Medium
No
No
140.14.0, 153.1.0, 154.0 18.08.2026 SB2026081838
SB2026081987
SB2026081988
and 31 more
#VU144063 - Protection Mechanism Failure
CVE-2026-74957
CWE-693 Medium
No
No
140.14.0, 153.1.0, 154.0 18.08.2026 SB2026081838
SB2026081987
SB2026081988
and 33 more
#VU144058 - Use After Free
CVE-2026-74936
CWE-416 High
No
No
140.14.0, 153.1.0, 154.0 18.08.2026 SB2026081838
SB2026081987
SB2026081988
and 26 more
#VU144059 - Improper Privilege Management
CVE-2026-74941
CWE-269 High
No
No
140.14.0, 153.1.0, 154.0 18.08.2026 SB2026081838
SB2026081987
SB2026081988
and 29 more
#VU144060 - Use After Free
CVE-2026-74944
CWE-416 High
No
No
140.14.0, 153.1.0, 154.0 18.08.2026 SB2026081838
SB2026081987
SB2026081988
and 26 more
#VU144061 - Use After Free
CVE-2026-74949
CWE-416 High
No
No
140.14.0, 153.1.0, 154.0 18.08.2026 SB2026081838
SB2026081987
SB2026081988
and 26 more
#VU144057 - Memory corruption
CVE-2026-74990
CWE-119 Medium
No
No
140.14.0, 153.1.0, 154.0 18.08.2026 SB2026081838
SB2026081987
SB2026081988
and 33 more
#VU144051 - Exposure of sensitive information to an unauthorized actor
CVE-2026-74945
CWE-200 Medium
No
No
140.14.0, 153.1.0, 154.0 18.08.2026 SB2026081838
SB2026081987
SB2026081988
and 33 more
#VU144052 - Memory corruption
CVE-2026-74946
CWE-119 High
No
No
140.14.0, 153.1.0, 154.0 18.08.2026 SB2026081838
SB2026081987
SB2026081988
and 31 more
#VU144053 - Exposure of sensitive information to an unauthorized actor
CVE-2026-74948
CWE-200 Medium
No
No
140.14.0, 153.1.0, 154.0 18.08.2026 SB2026081838
SB2026081987
SB2026081988
and 31 more
#VU144048 - Use After Free
CVE-2026-74940
CWE-416 High
No
No
140.14.0, 153.1.0, 154.0 18.08.2026 SB2026081838
SB2026081987
SB2026081988
and 31 more
#VU144049 - Improper Access Control
CVE-2026-74942
CWE-284 High
No
No
140.14.0, 153.1.0, 154.0 18.08.2026 SB2026081838
SB2026081987
SB2026081988
and 33 more
#VU144050 - Use After Free
CVE-2026-74943
CWE-416 High
No
No
140.14.0, 153.1.0, 154.0 18.08.2026 SB2026081838
SB2026081987
SB2026081988
and 26 more
#VU144046 - Improper Access Control
CVE-2026-74935
CWE-284 High
No
No
140.14.0, 153.1.0, 154.0 18.08.2026 SB2026081838
SB2026081987
SB2026081988
and 33 more
#VU144047 - Improper Access Control
CVE-2026-74939
CWE-284 High
No
No
140.14.0, 153.1.0, 154.0 18.08.2026 SB2026081838
SB2026081987
SB2026081988
and 33 more
#VU138994 - Memory corruption
CVE-2026-16364
CWE-119 High
No
No
153.0 22.07.2026 SB2026072201
SB2026072302
SB20260921201
and 1 more
#VU138995 - Improper Privilege Management
CVE-2026-16365
CWE-269 High
No
No
153.0 22.07.2026 SB2026072201
SB2026072302
SB2026090308
and 8 more
#VU138996 - Improper Privilege Management
CVE-2026-16366
CWE-269 Medium
No
No
153.0 22.07.2026 SB2026072201
SB2026072302
SB20260921201
and 1 more
#VU138997 - NULL Pointer Dereference
CVE-2026-16367
CWE-476 High
No
No
153.0 22.07.2026 SB2026072201
SB2026072302
SB20260921201
and 1 more
#VU138998 - Protection Mechanism Failure
CVE-2026-16370
CWE-693 Medium
No
No
153.0 22.07.2026 SB2026072201
SB2026072302
SB20260921201
and 1 more


Showing elements 41 - 60 out of 1276