Mozilla Firefox Security Advisory (MFSA2025-12) - Linux

The remote host is missing an update for Mozilla Firefox, announced via the advisory MFSA2025-12. SPDX-FileCopyrightText: 2025 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-on...

Mozilla: Mozilla VPN Clients: RCE via file write and path traversal

The report describes a path traversal vulnerability in the Mozilla VPN client software that allowed for remote code execution. The vulnerability was found in the "livereload" command of the client's inspector feature, which could be accessed when the client was in developer mode with "Use Staging...

Nearly a Year Later, Mozilla is Still Promoting OneRep

In mid-March 2024, KrebsOnSecurity revealed that the founder of the personal data removal service Onerep also founded dozens of people-search companies. Shortly after that investigation was published, Mozilla said it would stop bundling Onerep with the Firefox browser and wind down its partnershi...

Important: Red Hat Security Advisory: thunderbird security update

An update for thunderbird is now available for Red Hat Enterprise Linux 8.2 Advanced Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available...

firefox: thunderbird: Use-after-free in XSLT

A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue: An attacker could have caused a use-after-free via crafted XSLT data, leading to a potentially exploitable crash...

Important: Red Hat Security Advisory: thunderbird security update

An update for thunderbird is now available for Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions, and Red Hat Enterprise Linux 8.6 Telecommunications Update Service. Red Hat Product Security has rated this update ...

Important: Red Hat Security Advisory: thunderbird security update

An update for thunderbird is now available for Red Hat Enterprise Linux 8.8 Extended Update Support. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available...

firefox: thunderbird: Use-after-free during concurrent delazification

A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue: A race during concurrent delazification could have led to a use-after-free...

Important: Red Hat Security Advisory: thunderbird security update

An update for thunderbird is now available for Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions, and Red Hat Enterprise Linux 8.4 Telecommunications Update Service. Red Hat Product Security has rated this update ...

ROS-20250212-05

Vulnerability in Mozilla Firefox, Mozilla Firefox ESR, Mozilla Thunderbird email client is related to incorrect limitation of operations within the memory buffer. with incorrect limitation of operations within the memory buffer. Exploitation of the vulnerability could allow an attacker acting...

RHEL 8 : thunderbird (RHSA-2025:1340)

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2025:1340 advisory. Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: firefox: thunderbird: Memory safety bugs fixed in Firefox 135...

SUSE SLED15: MozillaThunderbird / MozillaThunderbird-translations-common / etc (SUSE-SU-2025:0405-1)

The remote SUSE Linux SLED15 / SLEDSAP15 / SLES15 / SLESSAP15 / openSUSE 15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2025:0405-1 advisory. Update to Mozilla Thunderbird 128.7 MFSA 2025-10, bsc1236539. Security fixes: - CVE-2025-1009:...

SUSE SLES12: MozillaFirefox / MozillaFirefox-devel / etc (SUSE-SU-2025:0391-1)

The remote SUSE Linux SLES12 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2025:0391-1 advisory. MFSA 2025-09 CVE-2025-1009 bmo1936613 Use-after-free in XSLT CVE-2025-1010 bmo1936982 Use-after-free in Custom Highlight CVE-2025-1011 bmo19364...

Important: Red Hat Security Advisory: thunderbird security update

An update for thunderbird is now available for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability fr...

firefox: thunderbird: Use-after-free in Custom Highlight

A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue: An attacker could have caused a use-after-free via the Custom Highlight API, leading to a potentially exploitable crash...

Astra Linux – Vulnerability in Firefox, Thunderbird

The application failed to account for exceptions thrown by the loadManifestFromFile method during add-on signature verification. This flaw, triggered by an invalid or unsupported extension manifest, could have caused runtime errors that disrupted the signature validation process. As a result, the...

Astra Linux – Vulnerability in Firefox, Thunderbird

A “paste” button on a clipboard could be present across tabs, allowing for a spoofing attack. This vulnerability affects Firefox 132, Firefox ESR 128.4, Thunderbird 128.4, and Thunderbird 132...

Astra Linux – Vulnerability in Firefox, Thunderbird

A permission leak could have occurred from a trusted site to an untrusted site through embed or object elements. This vulnerability affects Firefox 132, Firefox ESR 128.4, Firefox ESR 115.17, Thunderbird 128.4, and Thunderbird 132...

Important: thunderbird security update

Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: firefox: thunderbird: Memory safety bugs fixed in Firefox 135, Thunderbird 135, Firefox ESR 128.7, and Thunderbird 128.7 CVE-2025-1017 firefox: thunderbird: Use-after-free in Custom Highlight CVE-2025-1010 firefox:...

Important: firefox security update

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fixes: firefox: thunderbird: Memory safety bugs fixed in Firefox 135, Thunderbird 135, Firefox ESR 128.7, and Thunderbird 128.7 CVE-2025-1017 firefox: thunderbird: Use-after-fr...