CVE-2026-77587

Published: Aug 20, 2026Modified: Sep 3, 2026

5.9

Vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H

Exploitability: 2.2 / Impact: 3.6

Source: MITRE (Secondary)

Description

Tor before 0.4.9.11 is prone to a use-after-free (and potential double free) of a conflux object when a recovery leg revives a conflux set whose last linked leg has already been closed. A malicious exit node could use this to crash a client. This is TROVE-2026-026.

Related CWEs

CWE-911

Improper Update of Reference Count

The product uses a reference count to manage a resource, but it does not update or incorrectly updates the reference count.

References (1)

https://gitlab.torproject.org/tpo/core/tor/-/raw/tor-0.4.9.11/ChangeLog

Source: cve@mitre.org

Timeline

No history available yet.