CVE-2026-12294

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Sandbox escape in the DOM: Workers component...

CVE-2026-12294

creationtimestamp| type| source ---|---|--- 2026-06-17 20:00:00+00:00| seen| https://www.hkcert.org/security-bulletin/mozilla-products-multiple-vulnerabilities20260618...

Linux Distros Unpatched Vulnerability : CVE-2026-12294

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Sandbox escape in the DOM: Workers component. This vulnerability was fixed in Firefox 152, Firefox ESR 140.12, Firefox ESR 115.37, Thunderbird 152, and...

CVE-2026-12294

CVE-2026-12294 concerns a Sandbox escape in the DOM: Workers component found in Mozilla products. The vulnerability affects Firefox (including Firefox 152 and ESR branches 140.12 and 115.37) and Thunderbird (152 and 140.12). The underlying issue is a sandbox escape in the Workers component, with ...

Mozilla Thunderbird < 140.12

The version of Thunderbird installed on the remote Windows host is prior to 140.12. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-61 advisory. - Privilege escalation in the Graphics: WebRender component. This vulnerability was fixed in Firefox 152, Firefox E...

Mozilla Firefox ESR < 115.37

The version of Firefox ESR installed on the remote Windows host is prior to 115.37. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-59 advisory. - Memory safety bugs present in Firefox ESR 115.36, Firefox ESR 140.11, Thunderbird ESR 140.11, Firefox 151 and...