CVE-2026-4646

Mattermost versions 11.6.x = 11.6.0, 11.5.x = 11.5.3, 11.4.x = 11.4.4, 10.11.x = 10.11.14 fail to validate user-supplied input in API request handlers which allows an authenticated attacker to crash the plugin process via a crafted HTTP request to the PR details endpoint.. Mattermost Advisory ID:...

PT-2026-42748

Mattermost versions 11.6.x = 11.6.0, 11.5.x = 11.5.3, 11.4.x = 11.4.4, 10.11.x = 10.11.14 fail to validate user-supplied input in API request handlers which allows an authenticated attacker to crash the plugin process via a crafted HTTP request to the PR details endpoint.. Mattermost Advisory ID:...

thunderbird: firefox: Sandbox escape due to invalid pointer in the Audio/Video: GMP component

A flaw was found in Thunderbird and Firefox. The Mozilla Foundation's Security Advisory describes the following issue: An attacker is able to perform memory corruption in the GMP process which process encrypted media. This process is also heavily sandboxed, but represents slightly different...

CVE-2016-1706

The PPAPI implementation in Google Chrome before 52.0.2743.82 does not validate the origin of IPC messages to the plugin broker process that should have come from the browser process, which allows remote attackers to bypass a sandbox protection mechanism via an unexpected message type, related to...