CVE-2026-77584

A flaw was found in Tor where a malicious client could trigger a use-after-free UAF vulnerability. This occurs when the software fails to properly manage memory after a circuit is freed, specifically due to the improper handling of CONFLUXLINK cells on circuits with attached streams. By sending a...

PT-2026-79132

Tor before 0.4.9.10 did not reject a CONFLUX LINK cell that arrives on a circuit which already has attached streams. A malicious client could send a RELAY COMMAND BEGIN before the CONFLUX LINK on the same circuit, attaching an exit stream that would later end up orphan leaving a dangling circuit...