CVE-2026-44601

HIGH
MEDIUM Priority: 0.03 BB Relevance: 75/100
Published: 2026-05-07 Modified: 2026-10-26 First seen: 2026-10-29 Status: active

Attack Surface

Network Low Complexity No Auth No Interaction

CVSS Vector Breakdown

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

Description

Tor before 0.4.9.7, when circuit queue memory pressure exists, can experience a client crash because of a double close of a circuit, aka TROVE-2026-009.

Weakness Classification (1)

Affected Software (1)

VendorProductVersion
torproject tor < 0.4.9.7

Bug Bounty Relevance

75 / 100
✓ Network accessible
✓ No authentication
✓ Low complexity
✓ No user interaction

CVSS Score

7.5 / 10.0 v3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS — Exploitation Probability

0.34%
Raw Score 0.003370
Percentile 27.0%
Date 2026-10-29

EPSS Trend

2026-10-29
0.00337
2026-10-28
0.00337

Intelligence Sources

nvd ref →