CVE-2026-44602: CWE-476 NULL Pointer Dereference in torproject Tor
A NULL pointer dereference vulnerability exists in Tor versions before 0. 4. 9. 7 when a CERT cell is received out of order. This issue, tracked as CVE-2026-44602 and also known as TROVE-2026-006, can cause a denial of service by crashing the affected Tor process. The vulnerability has a low severity rating with a CVSS score of 3. 7 and does not impact confidentiality or integrity. No known exploits are reported in the wild, and no official patch or remediation guidance is currently available.
AI Analysis
Technical Summary
CVE-2026-44602 is a NULL pointer dereference vulnerability in the Tor software prior to version 0.4.9.7. It occurs when a CERT cell is received out of order, leading to a potential denial of service due to application crash. The vulnerability is categorized under CWE-476. The CVSS v3.1 base score is 3.7 (low), reflecting network attack vector, high attack complexity, no privileges required, no user interaction, and impact limited to availability. There is no vendor advisory or patch information provided at this time.
Potential Impact
The vulnerability can cause the Tor process to crash, resulting in a denial of service condition. There is no impact on confidentiality or integrity. No known exploits have been reported in the wild, indicating limited current threat activity.
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 for updates from the Tor Project. No specific workaround or temporary fix is documented.
CVE-2026-44602: CWE-476 NULL Pointer Dereference in torproject Tor
Description
A NULL pointer dereference vulnerability exists in Tor versions before 0. 4. 9. 7 when a CERT cell is received out of order. This issue, tracked as CVE-2026-44602 and also known as TROVE-2026-006, can cause a denial of service by crashing the affected Tor process. The vulnerability has a low severity rating with a CVSS score of 3. 7 and does not impact confidentiality or integrity. No known exploits are reported in the wild, and no official patch or remediation guidance is currently available.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-44602 is a NULL pointer dereference vulnerability in the Tor software prior to version 0.4.9.7. It occurs when a CERT cell is received out of order, leading to a potential denial of service due to application crash. The vulnerability is categorized under CWE-476. The CVSS v3.1 base score is 3.7 (low), reflecting network attack vector, high attack complexity, no privileges required, no user interaction, and impact limited to availability. There is no vendor advisory or patch information provided at this time.
Potential Impact
The vulnerability can cause the Tor process to crash, resulting in a denial of service condition. There is no impact on confidentiality or integrity. No known exploits have been reported in the wild, indicating limited current threat activity.
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 for updates from the Tor Project. No specific workaround or temporary fix is documented.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mitre
- Date Reserved
- 2026-05-07T03:17:32.092Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 69fc1394cbff5d861073276b
Added to database: 5/7/2026, 4:22:44 AM
Last enriched: 5/7/2026, 4:37:31 AM
Last updated: 5/7/2026, 7:04:14 AM
Views: 4
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