CVE-2017-18350 — bitcoind and Bitcoin-Qt prior to 0.15.1 have a stack-based buffer overflow if an attacker-controlled SOCKS proxy server is used

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MEDIUM

bitcoind and Bitcoin-Qt prior to 0.15.1 have a stack-based buffer overflow if an attacker-controlled SOCKS proxy server is used

Published Mar 12, 2020

5.9

MEDIUM

CVSS 3.1

EPSS 1.32%

Description

bitcoind and Bitcoin-Qt prior to 0.15.1 have a stack-based buffer overflow if an attacker-controlled SOCKS proxy server is used. This results from an integer signedness error when the proxy server responds with an acknowledgement of an unexpected target domain name.

Affected products

Remediation

No remediation recorded yet.

Metrics

1.32% 0.01323

Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.

EPSS probability 0.01323

Score over time

2021–2026

EPSS v1
EPSS v5
EPSS v2
EPSS v3

Percentile over time

EPSS v1
EPSS v5
EPSS v2
EPSS v3

Table of values (9 key points)

Flat stretches are collapsed; showing up to 120 newest points.

Date	Score	Percentile	Model
Oct 1, 2026	1.32% (0.01323)	69.86th	v5 (v2026.06.15)
Sep 20, 2026	1.32% (0.01323)	69.64th	v5 (v2026.06.15)
Jul 20, 2024	0.12% (0.00117)	46.01th	v3 (v2023.03.01)
Jul 3, 2024	0.12% (0.00117)	45.87th	v3 (v2023.03.01)
Mar 7, 2023	0.12% (0.00117)	43.87th	v3 (v2023.03.01)
Mar 6, 2023	0.89% (0.00885)	27.89th	v2 (v2022.01.01)
Feb 4, 2022	0.89% (0.00885)	10.50th	v2 (v2022.01.01)
Feb 3, 2022	0.62% (0.00624)	17.80th	v5 (v2026.06.15)
Apr 14, 2021	0.62% (0.00624)	0.00th	v1

Weaknesses (1)

CWE-120

Classic Buffer Overflow

References (2)

https://en.bitcoin.it/wiki/Common_Vulnerabilities_and_Exposures
x_refsource_MISCVendor Advisory
https://medium.com/%40lukedashjr/cve-2017-18350-disclosure-fe6d695f45d5
x_refsource_MISC

Link	Providers	Tags
https://en.bitcoin.it/wiki/Common_Vulnerabilities_and_Exposures		x_refsource_MISCVendor Advisory
https://medium.com/%40lukedashjr/cve-2017-18350-disclosure-fe6d695f45d5		x_refsource_MISC