EUVD-2026-78643

AVideo through 29.0 contains a blind server-side request forgery vulnerability in the getHeaderContentTypeFromURL function that issues getheaders calls guarded only by format validation. Authenticated users with canUpload permission can store attacker-chosen URLs as video links, triggering...

Mozilla: Internal network hosts could have been probed by a malicious webpage

Using techniques that built on the slipstream research, a malicious webpage could have scanned both an internal network's hosts as well as services running on the user's local machine utilizing WebRTC connections. This vulnerability affects Firefox ESR 78.9, Firefox 87, and Thunderbird 78.9...