CVE-2026-44602
BaseFortify
Publication date: 2026-05-07
Last updated on: 2026-05-07
Assigner: MITRE
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| tor_project | tor | to 0.4.9.7 (exc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-476 | The product dereferences a pointer that it expects to be valid but is NULL. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
CVE-2026-44602 is a vulnerability in Tor versions before 0.4.9.7 where a NULL pointer dereference occurs when a CERT cell is received out of order. This means that the software attempts to access a memory location that is not properly initialized, which can cause the program to crash.
How can this vulnerability impact me? :
This vulnerability can lead to application crashes due to the NULL pointer dereference when processing CERT cells out of order. Such crashes may cause denial of service by interrupting the normal operation of the Tor client or relay.
What immediate steps should I take to mitigate this vulnerability?
The Tor Project strongly recommends upgrading to Tor version 0.4.9.7 immediately to fix this vulnerability.