CVE-2026-87724

Published: Sep 9, 2026Modified: Sep 9, 2026Deferred

6.5

Vector

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

Exploitability: 2.2 / Impact: 4.2

Source: MITRE (Secondary)

Description

Tor before 0.4.9.12 interprets the CC_RESPONSE extension even when CC_REQUEST was not sent, which allows remote attackers to cause a denial of service (crash) because of corrupted congestion-control state. This is TROVE-2026-032.

Related CWEs

CWE-669

Incorrect Resource Transfer Between Spheres

The product does not properly transfer a resource/behavior to another sphere, or improperly imports a resource/behavior from another sphere, in a manner that provides unintended control over that resource.

References (2)

https://gitlab.com/torproject/tor/-/commit/10d4b8ffefa7c00aab2b631ed7e7f15e42cd012d

Source: cve@mitre.org

https://gitlab.torproject.org/tpo/core/tor/-/raw/tor-0.4.9.12/ChangeLog

Source: cve@mitre.org

Timeline

No history available yet.