CVE-2026-42553

Cinny is a Matrix client. Prior to 4.10.3, A remote authenticated attacker who shares a room with a victim and has permissions to create room emotes for example in a DM can cause the victim's client to send their Matrix access token to an attacker-controlled server. This occurs when the victim...

Astra Linux – Vulnerability in Firefox and Thunderbird

Service Workers should not be able to infer information about opaque cross-origin responses; however, timing information for cross-origin media, combined with Range requests, might have allowed them to determine the presence or length of a media file. This vulnerability affects Firefox ESR 102.5,...