Vulnerability in Torproject Tor
CVE-2026-44600
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.7 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.005 (41.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 42nd percentile — 41.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.005 · change: +0.001
Affected products
- Torproject Tor — versions 0
Weakness classification (CWE)
References
- forum.torproject.org/c/news/tor-release-announcement/28 (Release Notes)
- www.openwall.com/lists/oss-security/2026/05/06/8 (Mailing List, Third Party Advisory)
- gitlab.torproject.org/tpo/core/tor/-/work_items/41251 (Broken Link)
- gitlab.torproject.org/tpo/core/tor/-/commit/a198185ed863677d60eec120126730628da… (Patch)
Frequently asked questions
- What is CVE-2026-44600?
- CVE-2026-44600 is a low-severity vulnerability in Torproject Tor, classified under CWE-696. CVSS score: 3.7/10. Published 2026-05-07.
- How severe is CVE-2026-44600?
- Low severity. CVSS v3 base score is 3.7 out of 10.