PT-2026-49665

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 152 Firefox ESR versions prior to 140.12 Thunderbird versions prior to 152 Thunderbird versions prior to 140.12 Description A sandbox escape exists within the Security: Process Sandboxing component. A sandbox is a...

Mozilla Firefox < 152.0

The version of Firefox installed on the remote macOS or Mac OS X host is prior to 152.0. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-57 advisory. - Use-after-free in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 152 and Thunderbir...

Mozilla Firefox < 152.0

The version of Firefox installed on the remote Windows host is prior to 152.0. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-57 advisory. - Use-after-free in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 152 and Thunderbird 152...

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...

MiracleLinux 8 : firefox-140.11.0-1.el8_10.ML.1 (AXSA:2026-764:13)

The remote MiracleLinux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the AXSA:2026-764:13 advisory. firefox: Incorrect boundary conditions in the JavaScript Engine: JIT component CVE-2026-8388 firefox: Other issue in the JavaScript Engine 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...

Important: thunderbird

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...

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...

Security update for MozillaThunderbird

This update for MozillaThunderbird fixes the following issues Updated to Mozilla Thunderbird 140.11 bsc1265212 MFSA 2026-44: CVE-2026-8090: Use-after-free in the DOM: Networking component. CVE-2026-8092: Memory safety bugs fixed in Thunderbird ESR 140.10.2 and Thunderbird 150.0.2. CVE-2026-8094:...

firefox: Information disclosure, sandbox escape in the Security: Process Sandboxing component

A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue: Information disclosure, sandbox escape in the Security: Process Sandboxing component...

firefox: Information disclosure, sandbox escape in the Security: Process Sandboxing component

A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue: Information disclosure, sandbox escape in the Security: Process Sandboxing component...

MGASA-2026-0165 Updated nspr, nss and firefox(-l10n) packages fix security issues

The updated packages fix security vulnerabilities: Incorrect boundary conditions in the Audio/Video: Web Codecs component. CVE-2026-8946 Incorrect boundary conditions in the JavaScript Engine: JIT component. CVE-2026-8388 Use-after-free in the DOM: Bindings WebIDL component. CVE-2026-8947 Other...

MGASA-2026-0164 Updated thunderbird(-l10n) packages fix security vulnerabilities

The updated packages fix security vulnerabilities: Incorrect boundary conditions in the Audio/Video: Web Codecs component. CVE-2026-8946 Incorrect boundary conditions in the JavaScript Engine: JIT component. CVE-2026-8388 Use-after-free in the DOM: Bindings WebIDL component. CVE-2026-8947 Other...

Updated thunderbird(-l10n) packages fix security vulnerabilities

The updated packages fix security vulnerabilities: Incorrect boundary conditions in the Audio/Video: Web Codecs component. CVE-2026-8946 Incorrect boundary conditions in the JavaScript Engine: JIT component. CVE-2026-8388 Use-after-free in the DOM: Bindings WebIDL component. CVE-2026-8947 Other...

AlmaLinux 8 : firefox (ALSA-2026:21382)

The remote AlmaLinux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the ALSA-2026:21382 advisory. firefox: Incorrect boundary conditions in the JavaScript Engine: JIT component CVE-2026-8388 firefox: Other issue in the JavaScript Engine component...

RHEL 10 : firefox (RHSA-2026:21380)

The remote Redhat Enterprise Linux 10 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:21380 advisory. Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fixes: firefox:...

firefox: Information disclosure, sandbox escape in the Security: Process Sandboxing component

A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue: Information disclosure, sandbox escape in the Security: Process Sandboxing component...

firefox: Information disclosure, sandbox escape in the Security: Process Sandboxing component

A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue: Information disclosure, sandbox escape in the Security: Process Sandboxing component...

firefox: Information disclosure, sandbox escape in the Security: Process Sandboxing component

A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue: Information disclosure, sandbox escape in the Security: Process Sandboxing component...

firefox: Information disclosure, sandbox escape in the Security: Process Sandboxing component

A flaw was found in Firefox. The Mozilla Foundation's Security Advisory describes the following issue: Information disclosure, sandbox escape in the Security: Process Sandboxing component...