CVE-2026-44597 Details
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.
A vulnerability in Tor versions prior to 0.4.9.7 allows for an out-of-bounds read in the cell handling process. This issue occurs when END, TRUNCATE, or TRUNCATED cells are received without a reason in their payload. The vulnerability has been identified and documented as TROVE-2026-011.
Users are advised to upgrade to Tor version 0.4.9.7, which addresses this vulnerability. Instructions for downloading the latest version can be found on the Tor Project's official website.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed May 7, 2026References to Advisories, Solutions, and Tools
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Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-684 | Incorrect Provision of Specified Functionality | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| torproject tor | < 0.4.9.7 |
CPE
Remediation
| |
Change History
5 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| May 7, 2026 | Initial Analysis | [email protected] |
| May 7, 2026 | CVE Modified | [email protected] |
| May 7, 2026 | New CVE Received | [email protected] |