CVE-2026-44597

CRITICAL
INFO Priority: 0.04 BB Relevance: 78/100
Published: 2026-05-07 Modified: 2026-10-26 First seen: 2026-10-29 Status: active

Attack Surface

Network Low Complexity No Auth No Interaction Conf. Impact

CVSS Vector Breakdown

AV: Network
AC: Low
PR: None
UI: None
S: Unchanged
C: High
I: None
A: High

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.

Weakness Classification (1)

Affected Software (1)

VendorProductVersion
torproject tor < 0.4.9.7

Bug Bounty Relevance

78 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity
✓ No user interaction

CVSS Score

9.1 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

EPSS — Exploitation Probability

0.45%
Raw Score 0.004500
Percentile 39.1%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00450
2026-10-28
0.00450

Intelligence Sources

nvd ref →