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CVE-2026-123096 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

CNA: [email protected]CVSS-B:6.5 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

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URL	Source(s)	Tag(s)
https://github.com/anacrolix/torrent	[email protected]
https://github.com/anacrolix/torrent/blob/v1.61.0/tracker/http/http.go#L114-L126	[email protected]
https://github.com/anacrolix/torrent/commit/92ad51490479bb8b94720f964b1c67e5a1d68faa	[email protected]
https://github.com/anacrolix/torrent/pull/1143	[email protected]
https://www.vulncheck.com/advisories/anacrolix-torrent-through-1.61.0-memory-exhaustion-via-unbounded-http-tracker-response	[email protected]

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-770	Allocation of Resources Without Limits or Throttling	[email protected]

Affected Products

No affected product data is available for this CVE.

Change History

1 change record found show changes