CVE-2026-44603CRITICAL 9.1EPSS p25.9%

CVE-2026-44603CVE-2026-44603

Description

Tor before 0.4.9.7 has an out-of-bounds read by one byte via a malformed BEGIN cell, aka TROVE-2026-007.

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
EPSS0.34% probability of exploitation · percentile 25.9% · 2026-06-18T12:00:27Z
Published2026-05-07
Last modified2026-05-07

Underlying weaknesses· 1

CWE-193

References

  1. https://forum.torproject.org/c/news/tor-release-announcement/28
  2. https://gitlab.torproject.org/tpo/core/tor/-/commit/1703df3d439c83c2184e259fad1cfa19240f9c89
  3. https://gitlab.torproject.org/tpo/core/tor/-/work_items/41245
  4. https://www.openwall.com/lists/oss-security/2026/05/06/8

1

TypeTargetConfidenceTier
WeaknessOff-by-one Errorcwe-1930%live

Related by meaning· 6

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

CVE
CVE-2026-44597
CVE
CVE-2026-41604
CVE
CVE-2026-42507
CVE
CVE-2026-4750
CVE
CVE-2026-24832
CVE
CVE-2026-4450
Sourced from NVD + FIRST.org EPSS. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.