CVE-2026-44597CRITICAL 9.1EPSS p35.7%

CVE-2026-44597CVE-2026-44597

Description

Tor before 0.4.9.7 has an out-of-bounds read when an END, a TRUNCATE, or a TRUNCATED cell lacks a reason in its payload, aka TROVE-2026-011.

Scoring

CVSS 3.19.1 (CRITICAL)
VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
EPSS0.45% probability of exploitation · percentile 35.7% · 2026-06-19T12:03:05Z
Published2026-05-07
Last modified2026-05-07

Underlying weaknesses· 1

CWE-684

References

  1. https://forum.torproject.org/c/news/tor-release-announcement/28
  2. https://gitlab.torproject.org/tpo/core/tor/-/commit/8f98054b1982d00a14639864d03e9afd90b87481
  3. https://gitlab.torproject.org/tpo/core/tor/-/work_items/41254
  4. https://www.openwall.com/lists/oss-security/2026/05/06/8

1

TypeTargetConfidenceTier
WeaknessIncorrect Provision of Specified Functionalitycwe-6840%live

Related by meaning· 6

Nearest entities by semantic similarity across the cs-graph corpus.

CVE
CVE-2026-44603
CVE
CVE-2026-41604
CVE
CVE-2026-42507
CVE
CVE-2026-5402
CVE
Treck TCP/IP stack Out-of-Bounds Read Vulnerability
CVE
CVE-2026-43190
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.