CVE-2026-44601

low

Description

Tor before 0.4.9.7, when circuit queue memory pressure exists, can experience a client crash because of a double close of a circuit, aka TROVE-2026-009.

References

https://www.openwall.com/lists/oss-security/2026/05/06/8

https://gitlab.torproject.org/tpo/core/tor/-/work_items/41237

https://gitlab.torproject.org/tpo/core/tor/-/commit/d4e3f6a440b58c2be661decf20c09548704907dc

https://forum.torproject.org/c/news/tor-release-announcement/28

Details

Source: Mitre, NVD

Published: 2026-05-07

Updated: 2026-05-07

Risk Information

CVSS v2

Base Score: 2.6

Vector: CVSS2#AV:N/AC:H/Au:N/C:N/I:N/A:P

Severity: Low

CVSS v3

Base Score: 3.7

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