CVE-2025-3035

By first using the AI chatbot in one tab and later activating it in another tab, the document title of the previous tab would leak into the chat prompt. This vulnerability affects Firefox 137...

CVE-2025-3029

A crafted URL containing specific Unicode characters could have hidden the true origin of the page, resulting in a potential spoofing attack. This vulnerability affects Firefox 137, Firefox ESR 128.9, Thunderbird 137, and Thunderbird 128.9...

CVE-2025-3032

Leaking of file descriptors from the fork server to web content processes could allow for privilege escalation attacks. This vulnerability affects Firefox 137 and Thunderbird 137...

firefox: AudioIPC StreamData could trigger a use-after-free in the Browser process

A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue: On Windows, a compromised content process could use bad StreamData sent over AudioIPC to trigger a use-after-free in the Browser process. This could have led to a sandbox escape...

firefox: Clickjacking the registerProtocolHandler info-bar Reporter

A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue: A web page could trick a user into setting that site as the default handler for a custom URL protocol...

SUSE CVE-2025-1943

Memory safety bugs present in Firefox 135 and Thunderbird 135. 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 136 and Thunderbird 136...

SUSE CVE-2025-1930

On Windows, a compromised content process could use bad StreamData sent over AudioIPC to trigger a use-after-free in the Browser process. This could have led to a sandbox escape. This vulnerability was fixed in Firefox 136, Firefox ESR 115.21, Firefox ESR 128.8, Thunderbird 136, and Thunderbird...

SUSE CVE-2025-1935

A web page could trick a user into setting that site as the default handler for a custom URL protocol. This vulnerability was fixed in Firefox 136, Firefox ESR 128.8, Thunderbird 136, and Thunderbird 128.8...

UBUNTU-CVE-2025-1941

Under certain circumstances, a user opt-in setting that Focus should require authentication before use could have been be bypassed distinct from CVE-2025-0245. This vulnerability affects Firefox 136...

UBUNTU-CVE-2025-1930

On Windows, a compromised content process could use bad StreamData sent over AudioIPC to trigger a use-after-free in the Browser process. This could have led to a sandbox escape. This vulnerability was fixed in Firefox 136, Firefox ESR 115.21, Firefox ESR 128.8, Thunderbird 136, and Thunderbird...

OESA-2025-1108 firefox security update

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance and portability. Security Fixes: Memory safety bugs present in Firefox 134, Thunderbird 134, Firefox ESR 115.19, Firefox ESR 128.6, Thunderbird 115.19, and Thunderbird 128.6. Some of these bugs showed...

Astra Linux – Vulnerability in Firefox

A null pointer dereference may have occurred inadvertently in pk12util, specifically in the SECASN1DecodeItemUtil function, when handling malformed or improperly formatted input files. This vulnerability affects Firefox 133 and Thunderbird 133...

firefox: thunderbird: Potential opening of private browsing tabs in normal browsing windows

A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue: 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...

SUSE CVE-2025-1013

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-2025-1012

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

SUSE CVE-2025-0247

Memory safety bugs present in Firefox 133 and Thunderbird 133. 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 134 and Thunderbird 134...

CVE-2025-0246

When using an invalid protocol scheme, an attacker could spoof the address bar. Note: This issue only affected Android operating systems. Other operating systems are unaffected. Note: This issue is a different issue from CVE-2025-0244. This vulnerability affects Firefox 134...

CVE-2025-0245

Under certain circumstances, a user opt-in setting that Focus should require authentication before use could have been be bypassed. This vulnerability affects Firefox 134...

CVE-2025-0245

Under certain circumstances, a user opt-in setting that Focus should require authentication before use could have been be bypassed. This vulnerability affects Firefox 134...

DEBIAN-CVE-2025-0237

The WebChannel API, which is used to transport various information across processes, did not check the sending principal but rather accepted the principal being sent. This could have led to privilege escalation attacks. This vulnerability was fixed in Firefox 134, Firefox ESR 128.6, Thunderbird...