No VulnCrest analysis published for this CVE yet. Below is the original CNA/NVD description, unmodified.
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.
Exploits & detection
No public PoC or detection template found yet.
Timeline
- Published: 05 Nov 2026
- Last modified upstream: 09 Nov 2026
Sources & licenses
- CVE / CVSS / CWE
- NVD record ↗ (unmodified). This product uses the NVD API but is not endorsed or certified by the NVD. CVE® © The MITRE Corporation.
- Exploitation
- CISA KEV (CC0) · EPSS by FIRST.org
- References used for the analysis
- https://github.com/anacrolix/torrent
- https://github.com/anacrolix/torrent/blob/v1.61.0/tracker/http/http.go#L114-L126
- https://github.com/anacrolix/torrent/commit/92ad51490479bb8b94720f964b1c67e5a1d68faa
- https://github.com/anacrolix/torrent/pull/1143
- https://www.vulncheck.com/advisories/anacrolix-torrent-through-1.61.0-memory-exhaustion-via-unbounded-http-tracker-response
- Analysis, summary and remediation
- © VulnCrest