PT-2026-38336 · Tor · Tor

Brian Carpenter + 1 · Published 2026-05-07 · Updated 2026-05-08 · CVE-2026-44601

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Tor versions prior to 0.4.9.7

Description A client crash can occur when circuit queue memory pressure exists due to a double close of a circuit.

Recommendations Update to version 0.4.9.7 or later.

Fix

Weakness Enumeration

CWE-837

Related Identifiers

CVE-2026-44601

OPENSUSE-SU-2026:10735-1

Affected Products

Tor

References · 21

• https://security-tracker.debian.org/tracker/CVE-2026-44601 · Vendor Advisory
• https://ubuntu.com/security/CVE-2026-44601 · Vendor Advisory
• https://gitlab.torproject.org/tpo/core/tor/-/commit/d4e3f6a440b58c2be661decf20c09548704907dc · Patch
• https://cve.org/CVERecord?id=CVE-2026-44601 · Security Note
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-44601 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-44601 · Security Note
• https://osv.dev/vulnerability/openSUSE-SU-2026:10735-1 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2026-44601 · Vendor Advisory
• https://gitlab.torproject.org/tpo/core/tor/-/work_items/41237 · Note
• https://openwall.com/lists/oss-security/2026/05/06/8 · Note
• https://twitter.com/CVEarity/status/2052628740027683317 · Twitter Post
• https://forum.torproject.org/c/news/tor-release-announcement/28 · Note
• https://suse.com/security/cve/CVE-2026-44603 · Note
• https://suse.com/security/cve/CVE-2026-44599 · Note
• https://twitter.com/CVEnew/status/2052400839718023283 · Twitter Post