Debian dla-4581 : libnghttp2-14 - security update

The remote Debian 11 host has packages installed that are affected by a vulnerability as referenced in the dla-4581 advisory. ------------------------------------------------------------------------- Debian LTS Advisory DLA-4581-1 [email protected] https://www.debian.org/lts/security/...

CLSA-2026-1777974095 nghttp2: Fix of CVE-2026-27135

CVE-2026-27135: fix missing iframe-state validations to avoid assertion failure...

DEBIAN-CVE-2022-31738

When exiting fullscreen mode, an iframe could have confused the browser about the current state of fullscreen, resulting in potential user confusion or spoofing attacks. This vulnerability affects Thunderbird 91.10, Firefox 101, and Firefox ESR 91.10...

Mozilla: Browser window spoof using fullscreen mode

A flaw was found in Mozilla. The Mozilla Foundation Security Advisory describes the issue of when exiting fullscreen mode, an iframe could have confused the browser about the current state of the fullscreen, resulting in potential user confusion or spoofing attacks...