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© 2026 FAUCET Technologies LLC. All rights reserved.

CVE-2026-44601

28
FAUCET Score

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.

First published: May 7, 2026Last modified: May 7, 2026

Impacted Technologies

VendorProductVersion(s)CPE
>= 0, < 0.4.9.7CPE match
cpe:2.3:a:torproject:tor:*:*:*:*:*:*:*:*
< 0.4.9.7CPE matchmatch criteria
cpe:2.3:a:torproject:tor:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

3.7LOW

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

Attack Vector
NETWORK
Attack Complexity
HIGH
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
LOW
Exploitability Score
2.2
Impact Score
1.4
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.34%
Probability of exploitation in next 30 days
EPSS Percentile
26.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.0034 is in the 8th percentile among its peer group of 51,455 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Remediation records are not available for this CVE.

References

forum.torproject.org / c/news/tor-release-announcement/28
Release Notes
gitlab.torproject.org / tpo/core/tor/-/commit/d4e3f6a440b58c2be661decf20c09548704907dc
Patch
gitlab.torproject.org / tpo/core/tor/-/work_items/41237
Not Applicable
openwall.com / lists/oss-security/2026/05/06/8
Mailing ListRelease Notes