CVE-2026-44602

Name: CVE-2026-44602
Creator: NVD / NIST
Published: 2026-05-07T04:16:35.223+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 0.33%

Last modified Jun 17, 2026

CVE-2026-44602 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. Tor before 0.4.9.7 has a NULL pointer dereference when a CERT cell is received out of order, aka TROVE-2026-006.. EPSS estimates a 0.33% chance of exploitation in the next 30 days.

Description

Tor before 0.4.9.7 has a NULL pointer dereference when a CERT cell is received out of order, aka TROVE-2026-006.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

0.33%

24.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-476

Affected Software

Vendor	Product	Versions
Torproject	Tor	< 0.4.9.7

References

https://forum.torproject.org/c/news/tor-release-announcement/28Release Notes
https://gitlab.torproject.org/tpo/core/tor/-/commit/df7d5174ef41814d806c8ede776e230cd30ac12bPatch
https://gitlab.torproject.org/tpo/core/tor/-/work_items/41240Not Applicable
https://www.openwall.com/lists/oss-security/2026/05/06/8Mailing List, Release Notes

Timeline

Published: May 7, 2026
Last Modified: Jun 17, 2026
Status: Analyzed

Frequently Asked Questions

What is CVE-2026-44602?

Tor before 0.4.9.7 has a NULL pointer dereference when a CERT cell is received out of order, aka TROVE-2026-006.

How severe is CVE-2026-44602?

CVE-2026-44602 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.33% probability of exploitation in the next 30 days.

How do I fix CVE-2026-44602?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2026-44602?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST