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Vulnerability record · CVE-2015-5685 · published 13 August 2015

CVE-2015-5685: Bittorrent bootstrap-dht improper input validation vulnerability

Bittorrent · Bootstrap Dht

The lazy_bdecode function in BitTorrent DHT bootstrap server (bootstrap-dht ) allows remote attackers to execute arbitrary code via a crafted packet, related to "improper indexing."

7.5 CVSS 2.0 High EPSS 5.5% · top 7.5% CWE-20 · Improper input validation
7.5CVSS 2.0 base score
5.5%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References
17 Jun 2026Last modified by NVD

Description

The lazy_bdecode function in BitTorrent DHT bootstrap server (bootstrap-dht ) allows remote attackers to execute arbitrary code via a crafted packet, related to "improper indexing."

AV:N/AC:L/Au:N/C:P/I:P/A:P

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.zerodayinitiative.com/advisories/ZDI-15-366/
http://www.zerodayinitiative.com/advisories/ZDI-15-367/
https://github.com/bittorrent/bootstrap-dht/commit/e809ea80e3527e32c40756eddd8b2ae44bc3af1a
http://www.zerodayinitiative.com/advisories/ZDI-15-366/
http://www.zerodayinitiative.com/advisories/ZDI-15-367/
https://github.com/bittorrent/bootstrap-dht/commit/e809ea80e3527e32c40756eddd8b2ae44bc3af1a

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2015-5685), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.