Description
anacrolix/torrent through 1.61.0 contains a memory exhaustion vulnerability in the tracker/http package that allows malicious trackers to crash clients by returning unbounded responses. Attackers controlling an HTTP tracker in a torrent file or magnet link can return huge or gzip-compressed announce or scrape responses that Client.Announce and Client.Scrape buffer without limits, exhausting process memory.
Published: 2026-11-05
Score: 7.1 High
EPSS: n/a
KEV: No
AI Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Remediation

No solution or workaround provided in the CVE record.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

Sign in to view the affected projects.

Advisories

No advisories yet.

History

Thu, 05 Nov 2026 15:30:00 +0000

Type Values Removed Values Added
Description anacrolix/torrent through 1.61.0 contains a memory exhaustion vulnerability in the tracker/http package that allows malicious trackers to crash clients by returning unbounded responses. Attackers controlling an HTTP tracker in a torrent file or magnet link can return huge or gzip-compressed announce or scrape responses that Client.Announce and Client.Scrape buffer without limits, exhausting process memory.
Title anacrolix/torrent through 1.61.0 Memory Exhaustion via Unbounded HTTP Tracker Response
First Time appeared Torrentflux Project
Torrentflux Project torrentflux
Weaknesses CWE-770
CPEs cpe:2.3:a:torrentflux_project:torrentflux:*:*:*:*:*:*:*:*
Vendors & Products Torrentflux Project
Torrentflux Project torrentflux
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H'}

cvssV4_0

{'score': 7.1, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N'}


Subscriptions

Torrentflux Project Torrentflux
cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-11-05T15:11:50.578Z

Reserved: 2026-11-05T12:22:13.477Z

Link: CVE-2026-123096

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-11-05T16:17:46.760

Modified: 2026-11-05T16:17:46.760

Link: CVE-2026-123096

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-11-05T16:45:06Z

Weaknesses