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Mozilla ThunderbirdSecurity Vulnerabilities fixed in Thunderbird 128.11.1

Risk 33
Severity
7
First published (updated )
Advisory
MFSA2025-49

Mozilla ThunderbirdSecurity Vulnerabilities fixed in Thunderbird 139.0.2

Risk 33
Severity
7
First published (updated )
Advisory
MFSA2025-50

Mozilla Firefox ESRMemory safety bug present in Firefox ESR 128.10, and Thunderbird 128.10. This bug showed evidence of…

Risk 19
Severity
4
First published (updated )
REDHAT-BUG-2368757

Mozilla FirefoxMemory safety bugs present in Firefox 138, Thunderbird 138, Firefox ESR 128.10, and Thunderbird 128.…

Risk 19
Severity
4
First published (updated )
REDHAT-BUG-2368752

Mozilla ThunderbirdDouble Free

Risk 43
Severity
7.5
First published (updated )
CVE-2025-5262
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Mozilla ThunderbirdSecurity Vulnerabilities fixed in Thunderbird 128.10.2

Risk 42
Severity
9
First published (updated )
Advisory
MFSA2025-40

Mozilla ThunderbirdSecurity Vulnerabilities fixed in Thunderbird 138.0.2

Risk 42
Severity
9
First published (updated )
Advisory
MFSA2025-41

Mozilla ThunderbirdIt was possible to craft an email that showed a tracking link as an attachment. If the user attempte…

Risk 5
Severity
1
First published (updated )
REDHAT-BUG-2366297

Mozilla ThunderbirdThunderbird parses addresses in a way that can allow sender spoofing in case the server allows an in…

Risk 33
Severity
7
First published (updated )
REDHAT-BUG-2366287

Mozilla ThunderbirdThunderbird's handling of the X-Mozilla-External-Attachment-URL header can be exploited to execute J…

Risk 33
Severity
7
First published (updated )
REDHAT-BUG-2366283
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Mozilla ThunderbirdA crafted HTML email using mailbox:/// links can trigger automatic, unsolicited downloads of .pdf fi…

Risk 37
First published (updated )
REDHAT-BUG-2366291

Mozilla Thunderbird1 vulnerability

Risk 33
Severity
7
First published (updated )
Advisory
MFSA2025-34

Infoleak

Risk 33
Severity
7
First published (updated )
CVE-2025-3877

Mozilla Thunderbird1 vulnerability

Risk 33
Severity
7
First published (updated )
Advisory
MFSA2025-35

Infoleak

Risk 33
Severity
7
First published (updated )
CVE-2025-3877

Mozilla ThunderbirdMozilla Firefox's update mechanism allowed a medium-integrity user process to interfere with the SYS…

Risk 33
Severity
7
First published (updated )
REDHAT-BUG-2362902

Mozilla ThunderbirdMemory safety bugs present in Firefox 137, Thunderbird 137, Firefox ESR 128.9, and Thunderbird 128.9…

Risk 19
Severity
4
First published (updated )
REDHAT-BUG-2362912
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Mozilla ThunderbirdA process isolation vulnerability in Firefox stemmed from improper handling of javascript: URIs, whi…

Risk 33
Severity
7
First published (updated )
REDHAT-BUG-2362907

Mozilla Firefox ESRMemory safety bug present in Firefox ESR 128.9, and Thunderbird 128.9. This bug showed evidence of m…

Risk 33
Severity
7
First published (updated )
REDHAT-BUG-2362915

Mozilla ThunderbirdA vulnerability was identified in Firefox where XPath parsing could trigger undefined behavior due t…

Risk 19
Severity
4
First published (updated )
REDHAT-BUG-2362904

Mozilla FirefoxA security vulnerability in Firefox allowed malicious sites to use redirects to send credentialed re…

Risk 19
Severity
4
First published (updated )
MFSA-RESERVE-2025-1953521

Mozilla FirefoxDue to insufficient escaping of special characters in the "copy as cURL" feature, an attacker could …

Risk 19
Severity
4
First published (updated )
MFSA-RESERVE-2025-1956698
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Mozilla ThunderbirdAn attacker with control over a content process could potentially leverage the privileged UITour act…

Risk 19
Severity
4
First published (updated )
MFSA-RESERVE-2025-1915280

Mozilla ThunderbirdMemory safety bugs present in Firefox 137 and Thunderbird 137. Some of these bugs showed evidence of…

Risk 33
Severity
7
First published (updated )
MFSA-RESERVE-2025-4

Mozilla ThunderbirdA vulnerability existed in Firefox for Android where potentially sensitive library locations were lo…

Risk 5
Severity
1
First published (updated )
MFSA-RESERVE-2025-1929478

Mozilla Thunderbird4 vulnerabilities

Risk 33
Severity
7
First published (updated )
Advisory
MFSA2025-32

Memory safety bugs present in Firefox 137, Thunderbird 137, Firefox ESR 128.9, and Thunderbird 128.9…

Risk 19
Severity
4
First published (updated )
MFSA-RESERVE-2025-3

Modification of specific WebGL shader attributes could trigger an out-of-bounds read, which, when ch…

Risk 33
Severity
7
First published (updated )
MFSA-RESERVE-2025-1937097

A vulnerability was identified in Firefox where XPath parsing could trigger undefined behavior due t…

Risk 19
Severity
4
First published (updated )
MFSA-RESERVE-2025-1952465

A process isolation vulnerability in Firefox stemmed from improper handling of javascript: URIs, whi…

Risk 33
Severity
7
First published (updated )
MFSA-RESERVE-2025-1958350

Mozilla ThunderbirdA specially crafted filename containing a large number of encoded newline characters could obscure t…

Risk 19
Severity
4
First published (updated )
MFSA-RESERVE-2025-1945705
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