NULL pointer dereference in Torproject Tor

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.

EPSS: 0.001 (17.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 3.7 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-44602?
CVE-2026-44602 is a low-severity vulnerability in Torproject Tor, classified under NULL Pointer Dereference. CVSS score: 3.7/10. Published 2026-05-07.
How severe is CVE-2026-44602?
Low severity. CVSS v3 base score is 3.7 out of 10.