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: Uninitialized memory in the Graphics: Canvas2D component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Uninitialized memory in the Graphics: Canvas2D 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...

Important: Red Hat Security Advisory: thunderbird security update

An update for thunderbird is now available for Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions. 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...

firefox: thunderbird: Uninitialized memory in the Graphics: Canvas2D component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Uninitialized memory in the Graphics: Canvas2D 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: 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: Uninitialized memory in the Graphics: Canvas2D component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Uninitialized memory in the Graphics: Canvas2D component...

firefox: thunderbird: Uninitialized memory in the Graphics: Canvas2D component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Uninitialized memory in the Graphics: Canvas2D 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...

RHEL 8 : thunderbird (RHSA-2026:8288)

The remote Redhat Enterprise Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:8288 advisory. Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: firefox: thunderbird: Use-after-free in the JavaScript Engine...

RHEL 9 : thunderbird (RHSA-2026:8286)

The remote Redhat Enterprise Linux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:8286 advisory. Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: firefox: thunderbird: Use-after-free in the JavaScript Engine...

CVE-2026-34003

A flaw was found in the X.Org X server's XKB key types request validation. A local attacker could send a specially crafted request to the X server, leading to an out-of-bounds memory access vulnerability. This could result in the disclosure of sensitive information or cause the server to crash,...

CVE-2026-34002

A flaw was found in the X.Org X server. This vulnerability, an out-of-bounds read, affects the XKB X Keyboard Extension modifier map handling. An attacker with access to the X11 server can exploit this by sending a malformed request, which causes the server to read beyond its intended memory...

UBUNTU-CVE-2026-34000

A flaw was found in the X.Org X server. This out-of-bounds read vulnerability in the XKB geometry processing, specifically within the CheckSetGeom and XkbAddGeomKeyAlias functions, allows an attacker to read uninitialized or out-of-bounds memory. An attacker with a connection to the X11 server,...

UBUNTU-CVE-2026-34003

A flaw was found in the X.Org X server's XKB key types request validation. A local attacker could send a specially crafted request to the X server, leading to an out-of-bounds memory access vulnerability. This could result in the disclosure of sensitive information or cause the server to crash,...

UBUNTU-CVE-2026-34002

A flaw was found in the X.Org X server. This vulnerability, an out-of-bounds read, affects the XKB X Keyboard Extension modifier map handling. An attacker with access to the X11 server can exploit this by sending a malformed request, which causes the server to read beyond its intended memory...

firefox: thunderbird: Uninitialized memory in the Graphics: Canvas2D component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Uninitialized memory in the Graphics: Canvas2D 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: Uninitialized memory in the Graphics: Canvas2D component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Uninitialized memory in the Graphics: Canvas2D component...