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Vulnerability Details :

CVE-2026-44597

Summary
Assigner-mitre
Assigner Org ID-8254265b-2729-46b6-b9e3-3dfca2d5bfca
Published At-07 May, 2026 | 00:56
Updated At-07 May, 2026 | 13:12
Rejected At-
Credits

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.

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 | 00:56
Updated At:07 May, 2026 | 13:12
Rejected At:
▼CVE Numbering Authority (CNA)

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.

Affected Products
Vendor
torproject
Product
Tor
Default Status
unaffected
Versions
Affected
  • From 0 before 0.4.9.7 (custom)
Problem Types
TypeCWE IDDescription
CWECWE-684CWE-684 Incorrect Provision of Specified Functionality
Type: CWE
CWE ID: CWE-684
Description: CWE-684 Incorrect Provision of Specified Functionality
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/41254
N/A
https://gitlab.torproject.org/tpo/core/tor/-/commit/8f98054b1982d00a14639864d03e9afd90b87481
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/41254
Resource: N/A
Hyperlink: https://gitlab.torproject.org/tpo/core/tor/-/commit/8f98054b1982d00a14639864d03e9afd90b87481
Resource: N/A
▼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions
Configurations
Workarounds
Exploits
Credits
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:cve@mitre.org
Published At:07 May, 2026 | 01:16
Updated At:07 May, 2026 | 02:16

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.

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-684Secondarycve@mitre.org
CWE ID: CWE-684
Type: Secondary
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/8f98054b1982d00a14639864d03e9afd90b87481cve@mitre.org
N/A
https://gitlab.torproject.org/tpo/core/tor/-/work_items/41254cve@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/8f98054b1982d00a14639864d03e9afd90b87481
Source: cve@mitre.org
Resource: N/A
Hyperlink: https://gitlab.torproject.org/tpo/core/tor/-/work_items/41254
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

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5Records found
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EPSS-Not Assigned
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Updated-07 May, 2026 | 04:16
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KEV Added-Not Available
KEV Action Due Date-Not Available

Tor before 0.4.9.7 has a NULL pointer dereference when a CERT cell is received out of order, aka TROVE-2026-006.

Action-Not Available
Vendor-torproject
Product-Tor
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2026-44603
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 | 03:21
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 has an out-of-bounds read by one byte via a malformed BEGIN cell, aka TROVE-2026-007.

Action-Not Available
Vendor-torproject
Product-Tor
CWE ID-CWE-193
Off-by-one Error
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 | 12:46
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
CVE-2025-54568
Matching Score-4
Assigner-MITRE Corporation
ShareView Details
Matching Score-4
Assigner-MITRE Corporation
CVSS Score-3.7||LOW
EPSS-0.06% / 17.90%
||
7 Day CHG~0.00%
Published-25 Jul, 2025 | 00:00
Updated-25 Jul, 2025 | 15:29
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Akamai Rate Control alpha before 2025 allows attackers to send requests above the stipulated thresholds because the rate is measured separately for each edge node.

Action-Not Available
Vendor-Akamai
Product-Rate Control
CWE ID-CWE-684
Incorrect Provision of Specified Functionality
Details not found