🛡️ CVE-2026-44602 — tor

🟢 CVSS 3.7 — Low ✅ No Known Exploit CWE-476 NVD
3.7
CVSS Score
0 Low4 Medium7 High9 Critical10

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.

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is high, an attacker needs no privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity none, availability low.

Weakness class

CVE-2026-44602 is classified as CWE-476: NULL Pointer Dereference. A pointer that can be null is used without a check, crashing the process.

Affected software

CVE-2026-44602 is recorded against 2 packages.

  • tor (fixed in 0.4.9.7)
  • unknown

Timeline and source

Published on 7 May 2026 and last revised on 17 June 2026. No public exploit is currently recorded for this entry. A vendor advisory or fix has been published. Record sourced from NVD.

References

forum.torproject.org
gitlab.torproject.org
gitlab.torproject.org
www.openwall.com

CVE-2026-44602 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

Details

Severity LOW
CVSS Score 3.7
CVSS Vector CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
CWE CWE-476
Public Exploit ✅ No
Source NVD
Published 2026-05-07
Updated 2026-08-11
Modified 2026-06-17

Affected Packages

Software From version Fixed in
tor — 0.4.9.7
unknown — —

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