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Vulnerability Details :

CVE-2026-44601

Summary
Assigner-mitre
Assigner Org ID-8254265b-2729-46b6-b9e3-3dfca2d5bfca
Published At-07 May, 2026 | 03:09
Updated At-07 May, 2026 | 03:25
Rejected At-
Credits

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.

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:mitre
Assigner Org ID:8254265b-2729-46b6-b9e3-3dfca2d5bfca
Published At:07 May, 2026 | 03:09
Updated At:07 May, 2026 | 03:25
Rejected At:
▼CVE Numbering Authority (CNA)

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.

Affected Products
Vendor
torproject
Product
Tor
Default Status
unaffected
Versions
Affected
  • From 0 before 0.4.9.7 (custom)
Problem Types
TypeCWE IDDescription
CWECWE-837CWE-837 Improper Enforcement of a Single, Unique Action
Type: CWE
CWE ID: CWE-837
Description: CWE-837 Improper Enforcement of a Single, Unique Action
Metrics
VersionBase scoreBase severityVector
3.13.7LOW
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
Version: 3.1
Base score: 3.7
Base severity: LOW
Vector:
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://forum.torproject.org/c/news/tor-release-announcement/28
N/A
https://www.openwall.com/lists/oss-security/2026/05/06/8
N/A
https://gitlab.torproject.org/tpo/core/tor/-/work_items/41237
N/A
https://gitlab.torproject.org/tpo/core/tor/-/commit/d4e3f6a440b58c2be661decf20c09548704907dc
N/A
Hyperlink: https://forum.torproject.org/c/news/tor-release-announcement/28
Resource: N/A
Hyperlink: https://www.openwall.com/lists/oss-security/2026/05/06/8
Resource: N/A
Hyperlink: https://gitlab.torproject.org/tpo/core/tor/-/work_items/41237
Resource: N/A
Hyperlink: https://gitlab.torproject.org/tpo/core/tor/-/commit/d4e3f6a440b58c2be661decf20c09548704907dc
Resource: N/A
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:cve@mitre.org
Published At:07 May, 2026 | 04:16
Updated At:07 May, 2026 | 04:16

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.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary3.13.7LOW
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
Type: Secondary
Version: 3.1
Base score: 3.7
Base severity: LOW
Vector:
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
CPE Matches
Weaknesses
CWE IDTypeSource
CWE-837Primarycve@mitre.org
CWE ID: CWE-837
Type: Primary
Source: cve@mitre.org
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://forum.torproject.org/c/news/tor-release-announcement/28cve@mitre.org
N/A
https://gitlab.torproject.org/tpo/core/tor/-/commit/d4e3f6a440b58c2be661decf20c09548704907dccve@mitre.org
N/A
https://gitlab.torproject.org/tpo/core/tor/-/work_items/41237cve@mitre.org
N/A
https://www.openwall.com/lists/oss-security/2026/05/06/8cve@mitre.org
N/A
Hyperlink: https://forum.torproject.org/c/news/tor-release-announcement/28
Source: cve@mitre.org
Resource: N/A
Hyperlink: https://gitlab.torproject.org/tpo/core/tor/-/commit/d4e3f6a440b58c2be661decf20c09548704907dc
Source: cve@mitre.org
Resource: N/A
Hyperlink: https://gitlab.torproject.org/tpo/core/tor/-/work_items/41237
Source: cve@mitre.org
Resource: N/A
Hyperlink: https://www.openwall.com/lists/oss-security/2026/05/06/8
Source: cve@mitre.org
Resource: N/A

Change History

0
Information is not available yet

Similar CVEs

4Records found
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Tor before 0.4.9.7 has an out-of-bounds read by one byte via a malformed BEGIN cell, aka TROVE-2026-007.

Action-Not Available
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CVSS Score-3.7||LOW
EPSS-Not Assigned
Published-07 May, 2026 | 00:56
Updated-07 May, 2026 | 03:24
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Tor before 0.4.9.7 has an out-of-bounds read when an END, a TRUNCATE, or a TRUNCATED cell lacks a reason in its payload, aka TROVE-2026-011.

Action-Not Available
Vendor-torproject
Product-Tor
CWE ID-CWE-684
Incorrect Provision of Specified Functionality
CVE-2026-44600
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-3.7||LOW
EPSS-Not Assigned
Published-07 May, 2026 | 02:20
Updated-07 May, 2026 | 04:16
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Tor before 0.4.9.7 mishandles accounting of the conflux out-of-order queue during the clearing of a queue, aka TROVE-2026-010.

Action-Not Available
Vendor-torproject
Product-Tor
CWE ID-CWE-696
Incorrect Behavior Order
Details not found