PT-2026-33965

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 150 Thunderbird versions prior to 150 Description An issue exists in the JavaScript Engine component. Recommendations Update Firefox to version 150. Update Thunderbird to version 150...

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 and Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On. Red Hat Product Security has rated this update as having a security impact of Important. A Common...

firefox: thunderbird: JIT miscompilation in the JavaScript Engine component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: JIT miscompilation in the JavaScript Engine component...

firefox: thunderbird: Incorrect boundary conditions, uninitialized memory in the JavaScript Engine component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Incorrect boundary conditions, uninitialized memory in the JavaScript Engine component...

firefox: thunderbird: JIT miscompilation in the JavaScript Engine: JIT component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: JIT miscompilation in the JavaScript Engine: JIT component...

firefox: thunderbird: Use-after-free in the JavaScript Engine component

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

Chromium: CVE-2026-6363 Type Confusion in V8

This CVE was assigned by Chrome. Microsoft Edge Chromium-based ingests Chromium, which addresses this vulnerability. Please see Google Chrome Releases for more information...

MiracleLinux 8 : thunderbird-140.9.0-1.el8_10.ML.1 (AXSA:2026-444:07)

The remote MiracleLinux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the AXSA:2026-444:07 advisory. firefox: thunderbird: Use-after-free in the JavaScript Engine component CVE-2026-4701 firefox: thunderbird: Memory safety bugs fixed in Firefox ESR...

PT-2026-46520

Name of the Vulnerable Software and Affected Versions Google Chrome versions prior to 149.0.7827.53 Description A use after free issue in V8 allows a remote attacker to execute arbitrary code inside a sandbox. This is achieved by convincing a user to perform specific UI gestures while interacting...

firefox: thunderbird: Incorrect boundary conditions, uninitialized memory in the JavaScript Engine component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Incorrect boundary conditions, uninitialized memory in the JavaScript Engine component...

firefox: thunderbird: JIT miscompilation in the JavaScript Engine: JIT component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: JIT miscompilation in the JavaScript Engine: JIT component...

firefox: thunderbird: JIT miscompilation in the JavaScript Engine component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: JIT miscompilation in the JavaScript Engine component...

firefox: thunderbird: Use-after-free in the JavaScript Engine component

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

RHEL 7 : firefox (RHSA-2026:8427)

The remote Redhat Enterprise Linux 7 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:8427 advisory. Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fixes: firefox:...

AlmaLinux 8 : thunderbird (ALSA-2026:6917)

The remote AlmaLinux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the ALSA-2026:6917 advisory. firefox: thunderbird: Use-after-free in the JavaScript Engine component CVE-2026-4701 firefox: thunderbird: Memory safety bugs fixed in Firefox ESR 115.34...

RHEL 9 : thunderbird (RHSA-2026:8287)

The remote Redhat Enterprise Linux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:8287 advisory. Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: firefox: thunderbird: Use-after-free in the JavaScript Engine...

RHEL 10 : thunderbird (RHSA-2026:8315)

The remote Redhat Enterprise Linux 10 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:8315 advisory. Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: firefox: thunderbird: Use-after-free in the JavaScript Engin...

EUVD-2026-23092

Type Confusion in V8 in Google Chrome prior to 147.0.7727.101 allowed a remote attacker to potentially perform out of bounds memory access via a crafted HTML page. Chromium security severity: Medium...

CVE-2026-6363

Type Confusion in V8 in Google Chrome prior to 147.0.7727.101 allowed a remote attacker to potentially perform out of bounds memory access via a crafted HTML page. Chromium security severity: Medium...

CVE-2026-6363

Type Confusion in V8 in Google Chrome prior to 147.0.7727.101 allowed a remote attacker to potentially perform out of bounds memory access via a crafted HTML page. Chromium security severity: Medium...