EUVD-2026-28302
Improper Enforcement of a Single, Unique Action (CWE-837)
GHSA-fc55-xrcv-x657
3.7
CVSS 3.1
CVSS VectorNVD
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
None
Integrity
None
Availability
Low
Lifecycle Timeline
3
Patch available
May 07, 2026 - 06:16 EUVD
Analysis Generated
May 07, 2026 - 04:45 vuln.today
CVE Published
May 07, 2026 - 03:09 nvd
LOW 3.7
DescriptionNVD
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.
AnalysisAI
Tor before version 0.4.9.7 can crash due to a double-close vulnerability in circuit handling when memory pressure conditions exist on the circuit queue, resulting in denial of service to affected clients. The vulnerability requires specific network conditions (high circuit queue load) to trigger but affects all Tor clients running vulnerable versions. …
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