CVE-2025-1012

CVE-2025-1012 describes a race during concurrent delazification that can cause a use-after-free in Firefox and Thunderbird. Affected products include Firefox <135, Firefox ESR <115.20, Firefox ESR <128.7, Thunderbird <128.7, and Thunderbird

CVE-2025-1011 A bug in WebAssembly code generation could result in a crash

A bug in WebAssembly code generation could have lead to a crash. It may have been possible for an attacker to leverage this to achieve code execution. This vulnerability was fixed in Firefox 135, Firefox ESR 128.7, Thunderbird 128.7, and Thunderbird 135...

CVE-2025-1012

A race during concurrent delazification could have led to a use-after-free. This vulnerability was fixed in Firefox 135, Firefox ESR 115.20, Firefox ESR 128.7, Thunderbird 128.7, and Thunderbird 135...

CVE-2025-1012 Use-after-free during concurrent delazification

A race during concurrent delazification could have led to a use-after-free. This vulnerability was fixed in Firefox 135, Firefox ESR 115.20, Firefox ESR 128.7, Thunderbird 128.7, and Thunderbird 135...

CVE-2025-1011

CVE-2025-1011 is a WebAssembly code-generation bug that could crash the affected Mozilla components and, per the connected advisories, may enable remote code execution. Public references indicate the vulnerability affects Firefox up to version 135 (and ESR 128.7) and Thunderbird up to 128.7 (and ...

CVE-2025-1012 Use-after-free during concurrent delazification

A race during concurrent delazification could have led to a use-after-free. This vulnerability was fixed in Firefox 135, Firefox ESR 115.20, Firefox ESR 128.7, Thunderbird 128.7, and Thunderbird 135...

CVE-2025-1010 Use-after-free in Custom Highlight

An attacker could have caused a use-after-free via the Custom Highlight API, 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-2025-1018

The fullscreen notification is prematurely hidden when fullscreen is re-requested quickly by the user. This could have been leveraged to perform a potential spoofing attack. This vulnerability was fixed in Firefox 135 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 was fixed in Firefox 135, Firefox ESR 115.20, Firefox ESR 128.7, Thunderbird 128.7, and Thunderbird 135...

CVE-2025-1018 Fullscreen notification is not displayed when fullscreen is re-requested

The fullscreen notification is prematurely hidden when fullscreen is re-requested quickly by the user. This could have been leveraged to perform a potential spoofing attack. This vulnerability was fixed in Firefox 135 and Thunderbird 135...

CVE-2025-1018 Fullscreen notification is not displayed when fullscreen is re-requested

The fullscreen notification is prematurely hidden when fullscreen is re-requested quickly by the user. This could have been leveraged to perform a potential spoofing attack. This vulnerability was fixed in Firefox 135 and Thunderbird 135...

CVE-2025-1009 Use-after-free in XSLT

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-2025-1009

CVE-2025-1009 is a use-after-free in XSLT processing that affects Firefox < 135, Firefox ESR < 115.20, Firefox ESR < 128.7, Thunderbird < 128.7, and Thunderbird

PT-2025-4128 · Mozilla +8 · Thunderbird +8

Name of the Vulnerable Software and Affected Versions: Thunderbird versions prior to 128.7 Description: The Thunderbird Address Book URI fields contained unsanitized links, which could be used by an attacker to create and export an address book containing a malicious payload in a field, such as t...

PT-2025-4122

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 135 Firefox ESR versions prior to 115.20 Firefox ESR versions prior to 128.7 Thunderbird versions prior to 128.7 Thunderbird versions prior to 135 Description An attacker could have caused a use-after-free via crafted...

Mozilla Thunderbird < 128.6

The version of Thunderbird installed on the remote Windows host is prior to 128.6. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2025-05 advisory. - Memory safety bugs present in Firefox 133, Thunderbird 133, Firefox ESR 115.18, Firefox ESR 128.5, Thunderbird...

USN-7193-1: Thunderbird vulnerability

Masato Kinugawa discovered that Thunderbird did not properly validate the CSP policy in the Web Compatibility extension. An attacker could potentially exploit this issue to perform a cross-site scripting attack...

Ubuntu 20.04 LTS / 22.04 LTS : Thunderbird vulnerability (USN-7193-1)

The remote Ubuntu 20.04 LTS / 22.04 LTS host has packages installed that are affected by a vulnerability as referenced in the USN-7193-1 advisory. Masato Kinugawa discovered that Thunderbird did not properly validate the CSP policy in the Web Compatibility extension. An attacker could potentially...

Slackware Linux 15.0 / current mozilla-thunderbird Vulnerability (SSA:2025-008-02)

The version of mozilla-thunderbird installed on the remote host is prior to 128.6.0esr. It is, therefore, affected by a vulnerability as referenced in the SSA:2025-008-02 advisory. New mozilla-thunderbird packages are available for Slackware 15.0 and -current to fix security issues. Tenable has...

SUSE CVE-2025-0238

Assuming a controlled failed memory allocation, an attacker could have caused a use-after-free, leading to a potentially exploitable crash. This vulnerability was fixed in Firefox 134, Firefox ESR 128.6, Firefox ESR 115.19, Thunderbird 134, and Thunderbird 128.6...