PT-2026-38336 · Torproject · Tor

Published 2026-05-07 · Updated 2026-05-07 · CVE-2026-44601

NVD

CVSS v3.1

3.7

Low

Base vector

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

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.

Fix

Weakness Enumeration

CWE-837

Related Identifiers

CVE-2026-44601

Affected Products

Tor

References · 5

• https://nvd.nist.gov/vuln/detail/CVE-2026-44601 · Security Note
• https://forum.torproject.org/c/news/tor-release-announcement/28 · Note
• https://openwall.com/lists/oss-security/2026/05/06/8 · Note
• https://gitlab.torproject.org/tpo/core/tor/-/commit/d4e3f6a440b58c2be661decf20c09548704907dc · Note
• https://gitlab.torproject.org/tpo/core/tor/-/work_items/41237 · Note