Improper Input Validation in the hyperlink interpretation in Savoir-faire Linux's Jami (version 20222284) on Windows. This allows an attacker to send a custom HTML anchor tag to pass a string value to the Windows QRC Handler through the Jami messenger.
https://review.jami.net/c/jami-client-qt/+/23569
https://git.jami.net/savoirfairelinux/jami-client-qt/-/wikis/Changelog#nightly-january-10
https://blog.blacklanternsecurity.com/p/Jami-Local-Denial-Of-Service-and-QRC-Handler-Vulnerabilities