5.3

CVE-2026-44600: torproject tor Incorrect Behavior Order

CVSS: 5.3v3.1MediumAnalyzed
AliasesUBUNTU-CVE-2026-44600DEBIAN-CVE-2026-44600
Published 07-05-2026Last modified 07-05-2026
Open JSON

Vulnerability summary

CVE-2026-44600 is a medium (CVSS 5.3) Incorrect Behavior Order vulnerability in torproject tor. EPSS estimates a 0.51% chance of exploitation in the next 30 days, higher than 41.8% of scored vulnerabilities.

Overall risk
21/100
0100
Low · default modelHow is this calculated?
CVSS score
5.3/10
010
Medium · v3.1 (NVD)
EPSS score
0.51%
0%100%
Low · +0.13 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 2 · Related 1
MGASA-2026-0187OPENSUSE-SU-2026:10735-1

Timeline

  1. 07-05-2026
    PublishedVulnerability first disclosed.
  2. 07-05-2026
    Last modifiedVulnerability information updated.

Description

Tor before 0.4.9.7 mishandles accounting of the conflux out-of-order queue during the clearing of a queue, aka TROVE-2026-010.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.51%

Chance of exploitation in the next 30 days

Percentile

42%

Versus all other CVEs

30-day change

+0.13 pp

From 0.38% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.51%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Debian1 product
  • tor< 0.4.9.8-0+deb12u1 | < 0.4.9.8-0+deb13u1 | < 0.4.9.8-1
Torproject1 product
Ubuntu1 product
  • torAll versions (No fix recorded)

3 vendors · 3 products

References

7 links