Known vulnerabilities in Mozilla Thunderbird - page 14

Vendor: Mozilla
Software CPE: cpe:2.3:a:mozilla:mozilla_thunderbird:*:*:*:*:*:*:*:*
Total vulnerabilities: 1276
Public exploits: 34
Known exploited (KEV): 12

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
#VU124597 - Out-of-bounds read
CVE-2026-4371
CWE-125 Low
No
No
140.9.0, 149.0 25.03.2026 SB20260325201
SB20260325202
SB2026032701
and 13 more
#VU124596 - Multiple Interpretations of UI Input
CVE-2026-3889
CWE-450 Low
No
No
140.9.0, 149.0 25.03.2026 SB20260325201
SB20260325202
SB2026032701
and 13 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
#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
#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
#VU124307 - Use After Free
CVE-2026-4688
CWE-416 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
#VU124298 - Out-of-bounds read
CVE-2026-4693
CWE-125 High
No
No
140.9.0, 149.0 24.03.2026 SB2026032468
SB20260325201
SB20260325202
and 36 more
#VU124292 - Out-of-bounds read
CVE-2026-4686
CWE-125 High
No
No
140.9.0, 149.0 24.03.2026 SB2026032468
SB20260325201
SB20260325202
and 36 more
#VU124293 - Out-of-bounds write
CVE-2026-4687
CWE-787 High
No
No
140.9.0, 149.0 24.03.2026 SB2026032468
SB20260325201
SB20260325202
and 36 more
#VU124294 - Integer overflow
CVE-2026-4689
CWE-190 High
No
No
140.9.0, 149.0 24.03.2026 SB2026032468
SB20260325201
SB20260325202
and 36 more
#VU124290 - Use After Free
CVE-2026-4684
CWE-416 High
No
No
140.9.0, 149.0 24.03.2026 SB2026032468
SB20260325201
SB20260325202
and 35 more
#VU124291 - Out-of-bounds read
CVE-2026-4685
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 113 more


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