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Thunderbird

thunderbird

Vendor: Mozilla • 1,729 CVEs

CVEs (1,729)

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1Mozilla
2Firefox
Thunderbird
Apr 13, 2026
Apr 7, 2026
N/A· v4
9.8 CRITICAL· v3
N/A· v2
Memory safety bugs present in Firefox ESR 140.9.0, Thunderbird ESR 140.9.0, Firefox 149.0.1 and Thunderbird 149.0.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of...Show more
Memory safety bugs present in Firefox ESR 140.9.0, Thunderbird ESR 140.9.0, Firefox 149.0.1 and Thunderbird 149.0.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 149.0.2, Firefox ESR 140.9.1, Thunderbird 149.0.2, and Thunderbird 140.9.1.Show less
1Mozilla
2Firefox
Thunderbird
Apr 16, 2026
Apr 7, 2026
N/A· v4
9.8 CRITICAL· v3
N/A· v2
Memory safety bugs present in Firefox ESR 115.34.0, Firefox ESR 140.9.0, Thunderbird ESR 140.9.0, Firefox 149.0.1 and Thunderbird 149.0.1. Some of these bugs showed evidence of memory corruption and we presume that with...Show more
Memory safety bugs present in Firefox ESR 115.34.0, Firefox ESR 140.9.0, Thunderbird ESR 140.9.0, Firefox 149.0.1 and Thunderbird 149.0.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 149.0.2, Firefox ESR 115.34.1, Firefox ESR 140.9.1, Thunderbird 149.0.2, and Thunderbird 140.9.1.Show less
1Mozilla
1Thunderbird
Apr 13, 2026
Mar 24, 2026
N/A· v4
7.4 HIGH· v3
N/A· v2
A malicious mail server could send malformed strings with negative lengths, causing the parser to read memory outside the buffer. If a mail server or connection to a mail server were compromised, an attacker could cause...Show more
A malicious mail server could send malformed strings with negative lengths, causing the parser to read memory outside the buffer. If a mail server or connection to a mail server were compromised, an attacker could cause the parser to malfunction, potentially crashing Thunderbird or leaking sensitive data. This vulnerability was fixed in Thunderbird 149 and Thunderbird 140.9.Show less
1Mozilla
1Thunderbird
Apr 13, 2026
Mar 24, 2026
N/A· v4
6.5 MEDIUM· v3
N/A· v2
Spoofing issue in Thunderbird. This vulnerability was fixed in Thunderbird 149 and Thunderbird 140.9.
1Mozilla
2Firefox
Thunderbird
Apr 13, 2026
Mar 24, 2026
N/A· v4
9.8 CRITICAL· v3
N/A· v2
Memory safety bugs present in Firefox 148 and Thunderbird 148. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code....Show more
Memory safety bugs present in Firefox 148 and Thunderbird 148. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 149 and Thunderbird 149.Show less
1Mozilla
2Firefox
Thunderbird
Apr 13, 2026
Mar 24, 2026
N/A· v4
6.5 MEDIUM· v3
N/A· v2
Spoofing issue in the Privacy: Anti-Tracking component. This vulnerability was fixed in Firefox 149 and Thunderbird 149.
1Mozilla
2Firefox
Thunderbird
Apr 13, 2026
Mar 24, 2026
N/A· v4
7.5 HIGH· v3
N/A· v2
Denial-of-service in the Libraries component in NSS. This vulnerability was fixed in Firefox 149 and Thunderbird 149.
1Mozilla
2Firefox
Thunderbird
Apr 13, 2026
Mar 24, 2026
N/A· v4
7.5 HIGH· v3
N/A· v2
Denial-of-service in the XML component. This vulnerability was fixed in Firefox 149 and Thunderbird 149.
1Mozilla
2Firefox
Thunderbird
Apr 13, 2026
Mar 24, 2026
N/A· v4
9.1 CRITICAL· v3
N/A· v2
Undefined behavior in the Audio/Video component. This vulnerability was fixed in Firefox 149 and Thunderbird 149.
1Mozilla
2Firefox
Thunderbird
Apr 13, 2026
Mar 24, 2026
N/A· v4
9.8 CRITICAL· v3
N/A· v2
Memory safety bugs present in Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird ESR 140.8, Firefox 148 and Thunderbird 148. Some of these bugs showed evidence of memory corruption and we presume that with enough effort...Show more
Memory safety bugs present in Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird ESR 140.8, Firefox 148 and Thunderbird 148. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.Show less
1Mozilla
2Firefox
Thunderbird
Apr 13, 2026
Mar 24, 2026
N/A· v4
9.8 CRITICAL· v3
N/A· v2
Memory safety bugs present in Firefox ESR 140.8, Thunderbird ESR 140.8, Firefox 148 and Thunderbird 148. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could...Show more
Memory safety bugs present in Firefox ESR 140.8, Thunderbird ESR 140.8, Firefox 148 and Thunderbird 148. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.Show less
1Mozilla
2Firefox
Thunderbird
Apr 13, 2026
Mar 24, 2026
N/A· v4
8.1 HIGH· v3
N/A· v2
Undefined behavior in the WebRTC: Signaling component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.
1Mozilla
2Firefox
Thunderbird
Apr 13, 2026
Mar 24, 2026
N/A· v4
9.8 CRITICAL· v3
N/A· v2
Incorrect boundary conditions in the Audio/Video component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.
1Mozilla
2Firefox
Thunderbird
Apr 13, 2026
Mar 24, 2026
N/A· v4
7.5 HIGH· v3
N/A· v2
Incorrect boundary conditions, integer overflow in the Graphics component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.
1Mozilla
2Firefox
Thunderbird
Apr 13, 2026
Mar 24, 2026
N/A· v4
10.0 CRITICAL· v3
N/A· v2
Sandbox escape in the Responsive Design Mode component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.
1Mozilla
2Firefox
Thunderbird
Apr 13, 2026
Mar 24, 2026
N/A· v4
10.0 CRITICAL· v3
N/A· v2
Sandbox escape due to incorrect boundary conditions, integer overflow in the XPCOM component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.
1Mozilla
2Firefox
Thunderbird
Apr 13, 2026
Feb 24, 2026
N/A· v4
9.8 CRITICAL· v3
N/A· v2
Memory safety bugs present in Firefox 147 and Thunderbird 147. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code....Show more
Memory safety bugs present in Firefox 147 and Thunderbird 147. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 148 and Thunderbird 148.Show less
1Mozilla
2Firefox
Thunderbird
Apr 13, 2026
Feb 24, 2026
N/A· v4
9.1 CRITICAL· v3
N/A· v2
Uninitialized memory in the Graphics: Text component. This vulnerability was fixed in Firefox 148 and Thunderbird 148.
1Mozilla
2Firefox
Thunderbird
Apr 13, 2026
Feb 24, 2026
N/A· v4
9.8 CRITICAL· v3
N/A· v2
Invalid pointer in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 148 and Thunderbird 148.
1Mozilla
2Firefox
Thunderbird
Apr 13, 2026
Feb 24, 2026
N/A· v4
5.4 MEDIUM· v3
N/A· v2
Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 148 and Thunderbird 148.