Astra Linux – Vulnerability in Firefox and Thunderbird

Excel .xll add-ins did not have a blocklist entry in Firefox’s executable blocklist, which allowed them to be downloaded without any warning of their potential harm. This vulnerability affects Firefox 117, Firefox ESR 102.15, Firefox ESR 115.2, Thunderbird 102.15, and Thunderbird 115.2...

Ukraine Warns of CABINETRAT Backdoor + XLL Add-ins Spread via Signal ZIPs

The Computer Emergency Response Team of Ukraine CERT-UA has warned of new targeted cyber attacks in the country using a backdoor called CABINETRAT. The activity, observed in September 2025, has been attributed to a threat cluster it tracks as UAC-0245. The agency said it spotted the attack...