[SECURITY] [DLA 4727-1] thunderbird security update

------------------------------------------------------------------------- Debian LTS Advisory DLA-4727-1 [email protected] https://www.debian.org/lts/security/ Emilio Pozuelo Monfort August 10, 2026 https://wiki.debian.org/LTS -...

OESA-2026-3195 thunderbird security update

Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fixes: The code to parse MIME headers for display when forwarding a message if the setting to view all headers was enabled had an off-by-one error, allowing a single byte to be read from the memory after the buffer for the...

CVE-2026-16349 vulnerabilities

Vulnerabilities for packages: firefox, firefox-esr...

Linux Distros Unpatched Vulnerability : CVE-2026-16349

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Same-origin policy bypass in the DOM: Navigation component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153...

CVE-2026-16349

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Same-origin policy bypass in the DOM: Navigation component...

CVE-2026-16349

Same-origin policy bypass in the DOM: Navigation component. This vulnerability was fixed in Firefox 153, Firefox ESR 115.38, Firefox ESR 140.13, Thunderbird 153, and Thunderbird 140.13...

Mozilla Firefox ESR < 115.38

The version of Firefox ESR installed on the remote macOS or Mac OS X host is prior to 115.38. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2026-69 advisory. - We are aware that exploit code for this is public however we are not aware of any attacks in the wild...