firefox: thunderbird: Use-after-free in the DOM: Networking component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Use-after-free in the DOM: Networking component...

Important: Red Hat Security Advisory: firefox security update

An update for firefox is now available for Red Hat Enterprise Linux 10.0 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 fo...

firefox: thunderbird: Use-after-free in the DOM: Networking component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Use-after-free in the DOM: Networking component...

firefox: thunderbird: webrtc: Sandbox escape due to incorrect boundary conditions in the WebRTC: Networking component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Sandbox escape due to incorrect boundary conditions in the WebRTC: Networking component...

Important: firefox

Issue Overview: Three inter-frame chunk discard paths in the push-mode APNG parser clear the chunk-header flag without consuming the chunk body and CRC, allowing attacker-controlled bytes inside an ignored ancillary chunk to be reinterpreted as a fresh chunk header on the next call to...

RHEL 8 : firefox (RHSA-2026:24516)

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:24516 advisory. Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fixes: firefox:...

RHEL 9 : firefox (RHSA-2026:24509)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:24509 advisory. Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fixes: firefox:...

Amazon Linux 2023 : bpftool6.12, kernel6.12, kernel6.12-devel (ALAS2023-2026-1816)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1816 advisory. In the Linux kernel, the following vulnerability has been resolved: bonding: fix use-after-free due to enslave fail after slave array update CVE-2026-23171 In the Linux kernel, the following...

Amazon Linux 2 : firefox, --advisory ALAS2FIREFOX-2026-061 (ALASFIREFOX-2026-061)

The version of firefox installed on the remote host is prior to 140.11.0-1. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2FIREFOX-2026-061 advisory. Three inter-frame chunk discard paths in the push-mode APNG parser clear the chunk-header flag without consuming...

Important: firefox

Issue Overview: Three inter-frame chunk discard paths in the push-mode APNG parser clear the chunk-header flag without consuming the chunk body and CRC, allowing attacker-controlled bytes inside an ignored ancillary chunk to be reinterpreted as a fresh chunk header on the next call to...

Amazon Linux 2023 : firefox (ALAS2023-2026-1793)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2026-1793 advisory. Three inter-frame chunk discard paths in the push-mode APNG parser clear the chunk-header flag without consuming the chunk body and CRC, allowing attacker-controlled bytes inside an ignored...

RHEL 10 : firefox (RHSA-2026:24511)

The remote Redhat Enterprise Linux 10 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:24511 advisory. Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fixes: firefox:...

RHEL 9 : firefox (RHSA-2026:24508)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:24508 advisory. Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fixes: firefox:...

TencentOS Server 4: firefox (TSSA-2026:0323)

The version of Tencent Linux installed on the remote TencentOS Server 4 host is prior to tested version. It is, therefore, affected by multiple vulnerabilities as referenced in the TSSA-2026:0323 advisory. Package updates are available for TencentOS Server 4 that fix the following vulnerabilities...

RockyLinux 8 : thunderbird (RLSA-2026:22643)

The remote RockyLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:22643 advisory. firefox: Incorrect boundary conditions in the JavaScript Engine: JIT component CVE-2026-8388 firefox: Other issue in the JavaScript Engine component...

RHEL 9 : kernel (RHSA-2026:23237)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:23237 advisory. The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fixes: kernel: net: use dstdevrcu in...

EulerOS Virtualization 2.12.1 : kernel (EulerOS-SA-2026-2077)

According to the versions of the kernel packages installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : netfilter: ctnetlink: remove refcounting in expectation dumpersCVE-2025-39764 nvme: nvme-fc: Ensure -ioerrwork is cancelled in...

CVE-2026-8948

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Same-origin policy bypass in the DOM: Networking component...

CVE-2026-8971

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Same-origin policy bypass in the Networking: JAR component...

RLSA-2026:22325 Important: thunderbird security update

Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: firefox: Incorrect boundary conditions in the JavaScript Engine: JIT component CVE-2026-8388 firefox: Other issue in the JavaScript Engine component CVE-2026-8391 firefox: Sandbox escape in the Profile Backup component...