firefox: thunderbird: Content-Disposition header ignored when a file is included in an embed or object tag

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: When a file download is specified via the Content-Disposition header, that directive would be ignored if the file was included via a or tag, potentially making a website vulnerab...

Important: Red Hat Security Advisory: firefox security update

An update for firefox is now available for Red Hat Enterprise Linux 9.4 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 for...

firefox: thunderbird: Content-Disposition header ignored when a file is included in an embed or object tag

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: When a file download is specified via the Content-Disposition header, that directive would be ignored if the file was included via a or tag, potentially making a website vulnerab...

firefox: thunderbird: Use-after-free in FontFaceSet

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: A use-after-free in FontFaceSet resulted in a potentially exploitable crash...

[slackware-security] mozilla-thunderbird

New mozilla-thunderbird packages are available for Slackware 15.0 and -current to fix security issues. Here are the details from the Slackware 15.0 ChangeLog: patches/packages/mozilla-thunderbird-140.0esr-i686-1slack15.0.txz: Upgraded. This update contains security fixes and improvements, and mov...

Important: thunderbird security update

Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: thunderbird: Unsolicited File Download, Disk Space Exhaustion, and Credential Leakage via mailbox:/// Links CVE-2025-5986 For more details about the security issues, including the impact, a CVSS score, acknowledgments,...

Important: thunderbird security update

Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: thunderbird: Unsolicited File Download, Disk Space Exhaustion, and Credential Leakage via mailbox:/// Links CVE-2025-5986 For more details about the security issues, including the impact, a CVSS score, acknowledgments,...

Mozilla Thunderbird < 128.12

The version of Thunderbird installed on the remote macOS or Mac OS X host is prior to 128.12. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2025-55 advisory. - The executable file warning did not warn users before opening files with the terminal extension. This b...

KLA85425 Multiple vulnerabilities in Mozilla Thunderbird

Multiple vulnerabilities were found in Mozilla Thunderbird. Malicious users can exploit these vulnerabilities to bypass security restrictions, execute arbitrary code, cause denial of service, perform cross-site scripting attack, spoof user interface. Below is a complete list of vulnerabilities: 1...

The vulnerability of the OrderedHashTable component in Mozilla Firefox browsers allows a hacker to execute arbitrary code.

The vulnerability of the OrderedHashTable component in Mozilla Firefox browsers is related to integer overflow. Exploiting this vulnerability could allow a remote attacker to execute arbitrary code...

ALSA-2025:10195 Important: thunderbird security update

Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: thunderbird: Unsolicited File Download, Disk Space Exhaustion, and Credential Leakage via mailbox:/// Links CVE-2025-5986 For more details about the security issues, including the impact, a CVSS score, acknowledgments,...

Mozilla Thunderbird < 140.0

The version of Thunderbird installed on the remote macOS or Mac OS X host is prior to 140.0. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2025-54 advisory. - Memory safety bugs present in Firefox 139 and Thunderbird 139. Some of these bugs showed evidence of...

ALSA-2025:10246 Important: thunderbird security update

Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: thunderbird: Unsolicited File Download, Disk Space Exhaustion, and Credential Leakage via mailbox:/// Links CVE-2025-5986 For more details about the security issues, including the impact, a CVSS score, acknowledgments,...

RHEL 8 : firefox (RHSA-2025:10186)

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2025:10186 advisory. Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fixes: firefox:...

RHEL 7 : firefox (RHSA-2025:10181)

The remote Redhat Enterprise Linux 7 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2025:10181 advisory. Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fixes: firefox:...

The vulnerability of the CanvasHandler component in the Mozilla Firefox browser allows a hacker to execute arbitrary code.

The vulnerability of the CanvasHandler component in the Mozilla Firefox browser is related to writing beyond the buffer limit. Exploiting this vulnerability could allow a remote attacker to execute arbitrary code...

Slackware Linux 15.0 / current mozilla-thunderbird Vulnerability (SSA:2025-182-01)

The version of mozilla-thunderbird installed on the remote host is prior to 140.0esr. It is, therefore, affected by a vulnerability as referenced in the SSA:2025-182-01 advisory. New mozilla-thunderbird packages are available for Slackware 15.0 and -current to fix security issues. Tenable has...

Slackware: Security Advisory (SSA:2025-182-01)

The remote host is missing an update for the 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-only ifdescription...

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 8.4 Advanced Mission Critical 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...