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Vulnerabilities

Vulnerable Software

Vulnerability Details CVE-2026-3889

Spoofing issue in Thunderbird. This vulnerability was fixed in Thunderbird 149 and Thunderbird 140.9.

Exploit prediction scoring system (EPSS) score

EPSS Score 0.002

EPSS Ranking 10.3%

CVSS Severity

CVSS v3 Score 6.5

References

Products affected by CVE-2026-3889

Mozilla » Thunderbird » Version: N/A

cpe:2.3:a:mozilla:thunderbird:-
Mozilla » Thunderbird » Version: 115.10.2

cpe:2.3:a:mozilla:thunderbird:115.10.2
Mozilla » Thunderbird » Version: 115.11.0

cpe:2.3:a:mozilla:thunderbird:115.11.0
Mozilla » Thunderbird » Version: 115.11.1

cpe:2.3:a:mozilla:thunderbird:115.11.1
Mozilla » Thunderbird » Version: 115.12.1

cpe:2.3:a:mozilla:thunderbird:115.12.1
Mozilla » Thunderbird » Version: 115.12.2

cpe:2.3:a:mozilla:thunderbird:115.12.2
Mozilla » Thunderbird » Version: 115.13.0

cpe:2.3:a:mozilla:thunderbird:115.13.0
Mozilla » Thunderbird » Version: 115.14.0

cpe:2.3:a:mozilla:thunderbird:115.14.0
Mozilla » Thunderbird » Version: 115.16.0

cpe:2.3:a:mozilla:thunderbird:115.16.0
Mozilla » Thunderbird » Version: 115.16.1

cpe:2.3:a:mozilla:thunderbird:115.16.1
Mozilla » Thunderbird » Version: 115.16.2

cpe:2.3:a:mozilla:thunderbird:115.16.2
Mozilla » Thunderbird » Version: 115.16.3

cpe:2.3:a:mozilla:thunderbird:115.16.3
Mozilla » Thunderbird » Version: 115.18.0

cpe:2.3:a:mozilla:thunderbird:115.18.0
Mozilla » Thunderbird » Version: 128.0.1

cpe:2.3:a:mozilla:thunderbird:128.0.1
Mozilla » Thunderbird » Version: 128.1.0

cpe:2.3:a:mozilla:thunderbird:128.1.0
Mozilla » Thunderbird » Version: 128.1.1

cpe:2.3:a:mozilla:thunderbird:128.1.1
Mozilla » Thunderbird » Version: 128.10.0

cpe:2.3:a:mozilla:thunderbird:128.10.0
Mozilla » Thunderbird » Version: 128.10.1

cpe:2.3:a:mozilla:thunderbird:128.10.1
Mozilla » Thunderbird » Version: 128.10.2

cpe:2.3:a:mozilla:thunderbird:128.10.2
Mozilla » Thunderbird » Version: 128.11.0

cpe:2.3:a:mozilla:thunderbird:128.11.0
Mozilla » Thunderbird » Version: 128.11.1

cpe:2.3:a:mozilla:thunderbird:128.11.1
Mozilla » Thunderbird » Version: 128.12.0

cpe:2.3:a:mozilla:thunderbird:128.12.0
Mozilla » Thunderbird » Version: 128.13.0

cpe:2.3:a:mozilla:thunderbird:128.13.0
Mozilla » Thunderbird » Version: 128.14.0

cpe:2.3:a:mozilla:thunderbird:128.14.0
Mozilla » Thunderbird » Version: 128.2.0

cpe:2.3:a:mozilla:thunderbird:128.2.0
Mozilla » Thunderbird » Version: 128.2.1

cpe:2.3:a:mozilla:thunderbird:128.2.1
Mozilla » Thunderbird » Version: 128.2.2

cpe:2.3:a:mozilla:thunderbird:128.2.2
Mozilla » Thunderbird » Version: 128.2.3

cpe:2.3:a:mozilla:thunderbird:128.2.3
Mozilla » Thunderbird » Version: 128.3.0

cpe:2.3:a:mozilla:thunderbird:128.3.0
Mozilla » Thunderbird » Version: 128.3.1

cpe:2.3:a:mozilla:thunderbird:128.3.1
Mozilla » Thunderbird » Version: 128.3.2

cpe:2.3:a:mozilla:thunderbird:128.3.2
Mozilla » Thunderbird » Version: 128.3.3

cpe:2.3:a:mozilla:thunderbird:128.3.3
Mozilla » Thunderbird » Version: 128.4.0

cpe:2.3:a:mozilla:thunderbird:128.4.0
Mozilla » Thunderbird » Version: 128.4.1

cpe:2.3:a:mozilla:thunderbird:128.4.1
Mozilla » Thunderbird » Version: 128.4.2

cpe:2.3:a:mozilla:thunderbird:128.4.2
Mozilla » Thunderbird » Version: 128.4.3

cpe:2.3:a:mozilla:thunderbird:128.4.3
Mozilla » Thunderbird » Version: 128.4.4

cpe:2.3:a:mozilla:thunderbird:128.4.4
Mozilla » Thunderbird » Version: 128.5.0

cpe:2.3:a:mozilla:thunderbird:128.5.0
Mozilla » Thunderbird » Version: 128.5.1

cpe:2.3:a:mozilla:thunderbird:128.5.1
Mozilla » Thunderbird » Version: 128.5.2

cpe:2.3:a:mozilla:thunderbird:128.5.2
Mozilla » Thunderbird » Version: 128.6.0

cpe:2.3:a:mozilla:thunderbird:128.6.0
Mozilla » Thunderbird » Version: 128.7.0

cpe:2.3:a:mozilla:thunderbird:128.7.0
Mozilla » Thunderbird » Version: 128.7.1

cpe:2.3:a:mozilla:thunderbird:128.7.1
Mozilla » Thunderbird » Version: 128.8.0

cpe:2.3:a:mozilla:thunderbird:128.8.0
Mozilla » Thunderbird » Version: 128.8.1

cpe:2.3:a:mozilla:thunderbird:128.8.1
Mozilla » Thunderbird » Version: 128.9.0

cpe:2.3:a:mozilla:thunderbird:128.9.0
Mozilla » Thunderbird » Version: 128.9.1

cpe:2.3:a:mozilla:thunderbird:128.9.1
Mozilla » Thunderbird » Version: 128.9.2

cpe:2.3:a:mozilla:thunderbird:128.9.2
Mozilla » Thunderbird » Version: 135.0

cpe:2.3:a:mozilla:thunderbird:135.0
Mozilla » Thunderbird » Version: 139.0

cpe:2.3:a:mozilla:thunderbird:139.0
Mozilla » Thunderbird » Version: 140.0

cpe:2.3:a:mozilla:thunderbird:140.0
Mozilla » Thunderbird » Version: 140.0.1

cpe:2.3:a:mozilla:thunderbird:140.0.1
Mozilla » Thunderbird » Version: 140.1.0

cpe:2.3:a:mozilla:thunderbird:140.1.0
Mozilla » Thunderbird » Version: 140.1.1

cpe:2.3:a:mozilla:thunderbird:140.1.1
Mozilla » Thunderbird » Version: 140.2.0

cpe:2.3:a:mozilla:thunderbird:140.2.0
Mozilla » Thunderbird » Version: 140.2.1

cpe:2.3:a:mozilla:thunderbird:140.2.1
Mozilla » Thunderbird » Version: 140.3.0

cpe:2.3:a:mozilla:thunderbird:140.3.0
Mozilla » Thunderbird » Version: 140.3.1

cpe:2.3:a:mozilla:thunderbird:140.3.1
Mozilla » Thunderbird » Version: 140.4.0

cpe:2.3:a:mozilla:thunderbird:140.4.0
Mozilla » Thunderbird » Version: 140.5.0

cpe:2.3:a:mozilla:thunderbird:140.5.0
Mozilla » Thunderbird » Version: 140.6.0

cpe:2.3:a:mozilla:thunderbird:140.6.0
Mozilla » Thunderbird » Version: 140.7.0

cpe:2.3:a:mozilla:thunderbird:140.7.0
Mozilla » Thunderbird » Version: 141.0

cpe:2.3:a:mozilla:thunderbird:141.0
Mozilla » Thunderbird » Version: 142.0

cpe:2.3:a:mozilla:thunderbird:142.0
Mozilla » Thunderbird » Version: 143.0

cpe:2.3:a:mozilla:thunderbird:143.0
Mozilla » Thunderbird » Version: 143.0.1

cpe:2.3:a:mozilla:thunderbird:143.0.1
Mozilla » Thunderbird » Version: 144.0

cpe:2.3:a:mozilla:thunderbird:144.0
Mozilla » Thunderbird » Version: 144.0.1

cpe:2.3:a:mozilla:thunderbird:144.0.1
Mozilla » Thunderbird » Version: 145.0

cpe:2.3:a:mozilla:thunderbird:145.0
Mozilla » Thunderbird » Version: 146.0

cpe:2.3:a:mozilla:thunderbird:146.0
Mozilla » Thunderbird » Version: 146.0.1

cpe:2.3:a:mozilla:thunderbird:146.0.1
Mozilla » Thunderbird » Version: 147.0

cpe:2.3:a:mozilla:thunderbird:147.0

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Vulnerability Details CVE-2026-3889

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