Known vulnerabilities in Mozilla Thunderbird - page 11

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
#VU124329 - Type conversion
CVE-2026-4724
CWE-704 High
No
No
149.0 24.03.2026 SB2026032468
SB20260325202
SB2026032725
and 1 more
#VU124320 - Out-of-bounds read
CVE-2026-4714
CWE-125 High
No
No
140.9.0, 149.0 24.03.2026 SB2026032468
SB20260325201
SB20260325202
and 36 more
#VU124321 - Use of Uninitialized Variable
CVE-2026-4715
CWE-457 High
No
No
140.9.0, 149.0 24.03.2026 SB2026032468
SB20260325201
SB20260325202
and 36 more
#VU124322 - Out-of-bounds read
CVE-2026-4716
CWE-125 High
No
No
140.9.0, 149.0 24.03.2026 SB2026032468
SB20260325201
SB20260325202
and 36 more
#VU124323 - Improper Privilege Management
CVE-2026-4717
CWE-269 High
No
No
140.9.0, 149.0 24.03.2026 SB2026032468
SB20260325201
SB20260325202
and 36 more
#VU124324 - Type conversion
CVE-2026-4718
CWE-704 Medium
No
No
140.9.0, 149.0 24.03.2026 SB2026032468
SB20260325201
SB20260325202
and 36 more
#VU124325 - Out-of-bounds read
CVE-2026-4719
CWE-125 High
No
No
140.9.0, 149.0 24.03.2026 SB2026032468
SB20260325201
SB20260325202
and 36 more
#VU124326 - Out-of-bounds write
CVE-2026-4720
CWE-787 High
No
No
140.9.0, 149.0 24.03.2026 SB2026032468
SB20260325201
SB20260325202
and 35 more
#VU124313 - Resource exhaustion
CVE-2026-4704
CWE-400 Medium
No
No
140.9.0, 149.0 24.03.2026 SB2026032468
SB20260325201
SB20260325202
and 36 more
#VU124314 - Type conversion
CVE-2026-4705
CWE-704 Medium
No
No
140.9.0, 149.0 24.03.2026 SB2026032468
SB20260325201
SB20260325202
and 36 more
#VU124315 - Out-of-bounds read
CVE-2026-4708
CWE-125 High
No
No
140.9.0, 149.0 24.03.2026 SB2026032468
SB20260325201
SB20260325202
and 36 more
#VU124316 - Out-of-bounds read
CVE-2026-4710
CWE-125 High
No
No
140.9.0, 149.0 24.03.2026 SB2026032468
SB20260325201
SB20260325202
and 36 more
#VU124317 - Use After Free
CVE-2026-4711
CWE-416 High
No
No
140.9.0, 149.0 24.03.2026 SB2026032468
SB20260325201
SB20260325202
and 33 more
#VU124318 - Exposure of sensitive information to an unauthorized actor
CVE-2026-4712
CWE-200 Low
No
No
140.9.0, 149.0 24.03.2026 SB2026032468
SB20260325201
SB20260325202
and 33 more
#VU124319 - Out-of-bounds read
CVE-2026-4713
CWE-125 High
No
No
140.9.0, 149.0 24.03.2026 SB2026032468
SB20260325201
SB20260325202
and 36 more
#VU124305 - Out-of-bounds read
CVE-2026-4709
CWE-125 High
No
No
140.9.0, 149.0 24.03.2026 SB2026032468
SB20260325201
SB20260325202
and 36 more
#VU124306 - Out-of-bounds write
CVE-2026-4721
CWE-787 High
No
No
140.9.0, 149.0 24.03.2026 SB2026032468
SB20260325201
SB20260325202
and 36 more
#VU124303 - Out-of-bounds read
CVE-2026-4706
CWE-125 High
No
No
140.9.0, 149.0 24.03.2026 SB2026032468
SB20260325201
SB20260325202
and 35 more
#VU124304 - Out-of-bounds read
CVE-2026-4707
CWE-125 High
No
No
140.9.0, 149.0 24.03.2026 SB2026032468
SB20260325201
SB20260325202
and 36 more
#VU115751 - Resource exhaustion
CVE-2025-59375
CWE-400 Medium
No
No
140.9.0, 149.0 17.09.2025 SB2025091783
SB2025091789
SB2025091790
and 106 more


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