CVE-2026-44597: CWE-684 Incorrect Provision of Specified Functionality in torproject Tor
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.
AI Analysis
Technical Summary
Tor before version 0.4.9.7 contains a vulnerability where an out-of-bounds read occurs if an END, TRUNCATE, or TRUNCATED cell is received without a reason specified in its payload. This flaw relates to improper handling of protocol cells, potentially leading to memory access errors. The vulnerability is identified as CWE-684, which involves incorrect provision of specified functionality. No CVSS score or detailed impact metrics are provided, and no official patch or remediation guidance is currently documented.
Potential Impact
The vulnerability could cause out-of-bounds memory reads when processing certain Tor protocol cells lacking expected payload reasons. This may lead to application instability or crashes. There is no information on exploitation in the wild or further impact such as code execution or data disclosure.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should monitor torproject advisories for updates. No specific mitigations are documented at this time.
CVE-2026-44597: CWE-684 Incorrect Provision of Specified Functionality in torproject Tor
Description
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.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
Tor before version 0.4.9.7 contains a vulnerability where an out-of-bounds read occurs if an END, TRUNCATE, or TRUNCATED cell is received without a reason specified in its payload. This flaw relates to improper handling of protocol cells, potentially leading to memory access errors. The vulnerability is identified as CWE-684, which involves incorrect provision of specified functionality. No CVSS score or detailed impact metrics are provided, and no official patch or remediation guidance is currently documented.
Potential Impact
The vulnerability could cause out-of-bounds memory reads when processing certain Tor protocol cells lacking expected payload reasons. This may lead to application instability or crashes. There is no information on exploitation in the wild or further impact such as code execution or data disclosure.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should monitor torproject advisories for updates. No specific mitigations are documented at this time.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mitre
- Date Reserved
- 2026-05-07T00:56:46.891Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 69fbe963cbff5d8610e6c11c
Added to database: 5/7/2026, 1:22:43 AM
Last enriched: 5/7/2026, 1:36:20 AM
Last updated: 5/7/2026, 2:37:49 AM
Views: 4
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.