Cyber Posture

CVE-2026-44603

Low

Published: 07 May 2026

Published
07 May 2026
Modified
07 May 2026
KEV Added
Patch
CVSS Score 3.7 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L
EPSS Score 0.0006 17.9th percentile
Risk Priority 7 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2026-44603 is a low-severity Off-by-one Error (CWE-193) vulnerability in Torproject Tor. Its CVSS base score is 3.7 (Low).

Operationally, ranked at the 17.9th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.

Threat & Defense Details

MITRE ATT&CK Enterprise TechniquesAI

Insufficient information to map techniques.
Confidence: LOW · MITRE ATT&CK Enterprise v18.1

NVD 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.

Deeper analysisAI

Automated synthesis unavailable for this CVE.

Details

CWE(s)

Affected Products

torproject
tor
≤ 0.4.9.7

CVEs Like This One

CVE-2026-44601Same product: Torproject Tor
CVE-2026-44602Same product: Torproject Tor
CVE-2026-44599Same product: Torproject Tor
CVE-2026-44597Same product: Torproject Tor
CVE-2026-44600Same product: Torproject Tor
CVE-2024-57259Shared CWE-193
CVE-2026-28520Shared CWE-193
CVE-2026-33997Shared CWE-193
CVE-2026-22593Shared CWE-193
CVE-2024-57990Shared CWE-193

References