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Vulnerability record · CVE-2014-8509 · published 31 October 2014

CVE-2014-8509: Bittorrent bootstrap-dht memory buffer overflow vulnerability

Bittorrent · Bootstrap Dht

The lazy_bdecode function in BitTorrent bootstrap-dht (aka Bootstrap) allows remote attackers to execute arbitrary code via a crafted packet, which triggers an out-of-bounds read, related to "Improper Indexing."

7.5 CVSS 2.0 High EPSS 5.1% · top 7.9% CWE-119 · Memory buffer overflow
7.5CVSS 2.0 base score
5.1%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References, 2 tagged exploit
17 Jun 2026Last modified by NVD

Description

The lazy_bdecode function in BitTorrent bootstrap-dht (aka Bootstrap) allows remote attackers to execute arbitrary code via a crafted packet, which triggers an out-of-bounds read, 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.securityfocus.com/bid/70812
http://www.zerodayinitiative.com/advisories/ZDI-14-370/
https://github.com/bittorrent/bootstrap-dht/commit/bbc0b7191e3f48461ca6e5b1b34bdf4b3f1e79a9 Exploit
http://www.securityfocus.com/bid/70812
http://www.zerodayinitiative.com/advisories/ZDI-14-370/
https://github.com/bittorrent/bootstrap-dht/commit/bbc0b7191e3f48461ca6e5b1b34bdf4b3f1e79a9 Exploit

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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-2014-8509), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.