CVE-2026-4715

Uninitialized memory in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9...

CVE-2026-4715

Uninitialized memory in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9...

CVE-2026-4715

CVE-2026-4715 involves uninitialized memory in the Graphics: Canvas2D component. Affected products are Mozilla Firefox versions earlier than 149 and Firefox ESR earlier than 140.9. The connected records (NVD and CVE/CVE List entries) confirm the vulnerability and its scope but do not provide deta...

CVE-2026-4725 Sandbox escape due to use-after-free in the Graphics: Canvas2D component

Sandbox escape due to use-after-free in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 149 and Thunderbird 149...

CVE-2026-4725

Sandbox escape due to use-after-free in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 149 and Thunderbird 149...

CVE-2026-4725

Sandbox escape due to use-after-free in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 149 and Thunderbird 149...

CVE-2026-4725

Sandbox escape due to use-after-free in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 149 and Thunderbird 149...

CVE-2026-4725

CVE-2026-4725 describes a sandbox escape due to a use-after-free in the Graphics: Canvas2D component, affecting Firefox versions older than 149. The vulnerability impact is described in public CVE records; no exploitation details are provided in the connected documents. Affected software: Firefox...

CVE-2026-4706 Incorrect boundary conditions in the Graphics: Canvas2D component

Incorrect boundary conditions in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9...

CVE-2026-4707 Incorrect boundary conditions in the Graphics: Canvas2D component

Incorrect boundary conditions in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9...

CVE-2026-4707

Incorrect boundary conditions in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9...

CVE-2026-4707

CVE-2026-4707 is a vulnerability in the Graphics: Canvas2D component caused by incorrect boundary conditions. It affects Firefox (pre-149), Firefox ESR (pre-115.34 and pre-140.9) and is also listed similarly in related advisories. The issue is fixed in Firefox 149 and Firefox ESR 115.34/140.9. If...

CVE-2026-4706

CVE-2026-4706: In Graphics: Canvas2D, a boundary-condition issue could affect Firefox/Thunderbird before certain releases. Public advisories indicate fixes in Firefox 149, ESR 115.34 and ESR 140.9, and Thunderbird 149 and 140.9. Upgrading to these versions (or later) is the advised remediation pe...

CVE-2026-4686

Incorrect boundary conditions in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9...

CVE-2026-4686 Incorrect boundary conditions in the Graphics: Canvas2D component

Incorrect boundary conditions in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9...

PT-2026-27423

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 149 Thunderbird versions prior to 149 Description A security issue exists due to a use-after-free condition within the Graphics: Canvas2D component. This can lead to a sandbox escape. Recommendations Update Firefox to...

PT-2026-27413

Name of the Vulnerable Software and Affected Versions Firefox versions prior to 149 Firefox ESR versions prior to 140.9 Thunderbird versions prior to 149 Thunderbird versions prior to 140.9 Description An issue exists in the Graphics: Canvas2D component due to uninitialized memory. Recommendation...

Mozilla Firefox Security Bypass Vulnerability (CNVD-2025-26888)

Mozilla Firefox is an open source web browser from the Mozilla Foundation in the United States. Mozilla Firefox suffers from a security bypass vulnerability caused by an integer overflow in the Graphics:Canvas2D component. An attacker could exploit this vulnerability to cause a sandbox escape...

RLSA-2025:14416 Important: firefox security update

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fixes: firefox: thunderbird: Denial-of-service due to out-of-memory in the Graphics: WebRender component CVE-2025-9182 thunderbird: firefox: Sandbox escape due to invalid point...

thunderbird security update

An update is available for thunderbird. This update affects Rocky Linux 9. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list Mozilla Thunderbird is a standalone mail and newsgroup client. Security...