CVE-2014-8509
CVE-2014-8509 is a high-severity vulnerability in Bittorrent Bootstrap-dht with a CVSS 2.0 base score of 7.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.
Key facts
- Severity: High (CVSS 2.0 base score 7.5)
- EPSS exploit prediction: 5% (91st percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-119
- Affected product: Bittorrent Bootstrap-dht
- Published:
- Last modified:
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."
Frequently asked questions
- What is CVE-2014-8509?
- 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."
- How severe is CVE-2014-8509?
- CVE-2014-8509 has a CVSS 2.0 base score of 7.5, rated high severity.
- Is CVE-2014-8509 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2014-8509?
- CVE-2014-8509 affects Bittorrent Bootstrap-dht. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2014-8509?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
- When was CVE-2014-8509 published?
- CVE-2014-8509 was published on 2014-10-31 and last updated on 2026-06-17.
References
- http://www.securityfocus.com/bid/70812
- http://www.zerodayinitiative.com/advisories/ZDI-14-370/
- https://github.com/bittorrent/bootstrap-dht/commit/bbc0b7191e3f48461ca6e5b1b34bdf4b3f1e79a9
Affected products (1)
- cpe:2.3:a:bittorrent:bootstrap-dht:-:*:*:*:*:*:*:*
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