{"id":"CVE-2026-123096","published":"2026-11-05T16:17:46.760","lastModified":"2026-11-05T16:17:46.760","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.","cvssScore":6.5,"cvssSeverity":"MEDIUM","cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","cwes":["CWE-770"],"vendors":[],"products":[],"references":[{"url":"https://github.com/anacrolix/torrent","tags":[]},{"url":"https://github.com/anacrolix/torrent/blob/v1.61.0/tracker/http/http.go#L114-L126","tags":[]},{"url":"https://github.com/anacrolix/torrent/commit/92ad51490479bb8b94720f964b1c67e5a1d68faa","tags":[]},{"url":"https://github.com/anacrolix/torrent/pull/1143","tags":[]},{"url":"https://www.vulncheck.com/advisories/anacrolix-torrent-through-1.61.0-memory-exhaustion-via-unbounded-http-tracker-response","tags":[]}],"exploitRefs":[{"url":"https://github.com/anacrolix/torrent","tags":[]},{"url":"https://github.com/anacrolix/torrent/blob/v1.61.0/tracker/http/http.go#L114-L126","tags":[]},{"url":"https://github.com/anacrolix/torrent/commit/92ad51490479bb8b94720f964b1c67e5a1d68faa","tags":[]},{"url":"https://github.com/anacrolix/torrent/pull/1143","tags":[]}],"hasPoc":true,"ai":null}