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...

PT-2026-52925

Name of the Vulnerable Software and Affected Versions Linux kernel affected versions not specified Description An issue exists in the idpf driver where a double free and use-after-free occur during auxiliary device error paths. When the auxiliary device add function fails within idpf plug vport a...

CVE-2026-5398

The implementation of TIOCNOTTY failed to clear a back-pointer from the structure representing the controlling terminal to the calling process' session. If the invoking process then exits, the terminal structure may end up containing a pointer to freed memory. A malicious process can abuse the...

EUVD-2026-24589

The implementation of TIOCNOTTY failed to clear a back-pointer from the structure representing the controlling terminal to the calling process' session. If the invoking process then exits, the terminal structure may end up containing a pointer to freed memory. A malicious process can abuse the...

FreeBSD : FreeBSD -- Kernel use-after-free bug in the TIOCNOTTY handler (971b5528-3def-11f1-bb07-bc241121aa0a)

The version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the 971b5528-3def-11f1-bb07-bc241121aa0a advisory. The implementation of TIOCNOTTY failed to clear a back-pointer from the structure representing the...

FreeBSD -- Kernel use-after-free bug in the TIOCNOTTY handler

Problem Description: The implementation of TIOCNOTTY failed to clear a back-pointer from the structure representing the controlling terminal to the calling process' session. If the invoking process then exits, the terminal structure may end up containing a pointer to freed memory. Impact: A...