CVE-2025-1009

An attacker could have caused a use-after-free via crafted XSLT data, leading to a potentially exploitable crash. This vulnerability was fixed in Firefox 135, Firefox ESR 115.20, Firefox ESR 128.7, Thunderbird 128.7, and Thunderbird 135...

CVE-2025-1010

An attacker could have caused a use-after-free via the Custom Highlight API, leading to a potentially exploitable crash. This vulnerability affects Firefox 135, Firefox ESR 115.20, Firefox ESR 128.7, Thunderbird 128.7, and Thunderbird 135...

CVE-2025-0510

Thunderbird displayed an incorrect sender address if the From field of an email used the invalid group name syntax that is described in CVE-2024-49040. This vulnerability was fixed in Thunderbird 128.7 and Thunderbird 135...

CVE-2025-0510

Thunderbird displayed an incorrect sender address if the From field of an email used the invalid group name syntax that is described in CVE-2024-49040. This vulnerability affects Thunderbird 128.7 and Thunderbird 135...

CVE-2025-1017

CVE-2025-1017: Memory-safety bugs in Firefox 134/THUNDERBIRD 134 (and related ESR) with potential for arbitrary code execution. Affects Firefox <135, Firefox ESR <128.7, Thunderbird

CVE-2025-1020 Memory safety bugs fixed in Firefox 135 and Thunderbird 135

Memory safety bugs present in Firefox 134 and Thunderbird 134. 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 135 and Thunderbird 135...

CVE-2025-1017 Memory safety bugs fixed in Firefox 135, Thunderbird 135, Firefox ESR 128.7, and Thunderbird 128.7

Memory safety bugs present in Firefox 134, Thunderbird 134, Firefox ESR 128.6, and Thunderbird 128.6. 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 Firef...

CVE-2025-1015 Unsanitized address book fields

The Thunderbird Address Book URI fields contained unsanitized links. This could be used by an attacker to create and export an address book containing a malicious payload in a field. For example, in the “Other” field of the Instant Messaging section. If another user imported the address book,...

CVE-2025-1015 Unsanitized address book fields

The Thunderbird Address Book URI fields contained unsanitized links. This could be used by an attacker to create and export an address book containing a malicious payload in a field. For example, in the “Other” field of the Instant Messaging section. If another user imported the address book,...

CVE-2025-1020

Memory safety bugs present in Firefox 134 and Thunderbird 134. 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 135 and Thunderbird 135...

CVE-2025-0510

Thunderbird vulnerability: The From address can be displayed incorrectly when the From field uses the invalid group name syntax described in CVE-2024-49040. Affects Thunderbird <128.7 and

CVE-2025-0510 Address of e-mail sender can be spoofed by malicious email

Thunderbird displayed an incorrect sender address if the From field of an email used the invalid group name syntax that is described in CVE-2024-49040. This vulnerability was fixed in Thunderbird 128.7 and Thunderbird 135...

CVE-2025-0510 Address of e-mail sender can be spoofed by malicious email

Thunderbird displayed an incorrect sender address if the From field of an email used the invalid group name syntax that is described in CVE-2024-49040. This vulnerability was fixed in Thunderbird 128.7 and Thunderbird 135...

CVE-2025-0510

Thunderbird displayed an incorrect sender address if the From field of an email used the invalid group name syntax that is described in CVE-2024-49040. This vulnerability was fixed in Thunderbird 128.7 and Thunderbird 135...

CVE-2025-1013

CVE-2025-1013 describes a race condition that could cause private browsing tabs to open in normal browsing windows, potentially leaking private data. The initial CVE entry asserts impact on Firefox < 135, Firefox ESR < 128.7, Thunderbird < 128.7, and Thunderbird

CVE-2025-1019 Fullscreen notification not properly displayed

The z-order of the browser windows could be manipulated to hide the fullscreen notification. This could potentially be leveraged to perform a spoofing attack. This vulnerability was fixed in Firefox 135 and Thunderbird 135...

CVE-2025-1014 Certificate length was not properly checked

Certificate length was not properly checked when added to a certificate store. In practice only trusted data was processed. This vulnerability was fixed in Firefox 135, Firefox ESR 128.7, Thunderbird 128.7, and Thunderbird 135...

CVE-2025-1013 Potential opening of private browsing tabs in normal browsing windows

A race condition could have led to private browsing tabs being opened in normal browsing windows. This could have resulted in a potential privacy leak. This vulnerability was fixed in Firefox 135, Firefox ESR 128.7, Thunderbird 128.7, and Thunderbird 135...

CVE-2025-1013 Potential opening of private browsing tabs in normal browsing windows

A race condition could have led to private browsing tabs being opened in normal browsing windows. This could have resulted in a potential privacy leak. This vulnerability was fixed in Firefox 135, Firefox ESR 128.7, Thunderbird 128.7, and Thunderbird 135...

CVE-2025-1014 Certificate length was not properly checked

Certificate length was not properly checked when added to a certificate store. In practice only trusted data was processed. This vulnerability was fixed in Firefox 135, Firefox ESR 128.7, Thunderbird 128.7, and Thunderbird 135...