What’s Vulnerable › Vulnerabilities

CVE-2018-17144

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 6.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2018-09-19 · updated 2026-06-17

Description

Bitcoin Core 0.14.x before 0.14.3, 0.15.x before 0.15.2, and 0.16.x before 0.16.3 and Bitcoin Knots 0.14.x through 0.16.x before 0.16.3 allow a remote denial of service (application crash) exploitable by miners via duplicate input. An attacker can make bitcoind or Bitcoin-Qt crash.

Affected products

• Bitcoin Core: from 0.14.0 before 0.14.3; from 0.15.0 before 0.15.2; from 0.16.0 before 0.16.3 — fixed in 0.14.3, 0.15.2, 0.16.3
• Bitcoinknots Bitcoin Knots: from 0.14.0 before 0.16.3 — fixed in 0.16.3

How to fix

Upgrade to a fixed version: Bitcoin Core 0.14.3, 0.15.2, 0.16.3; Bitcoinknots Bitcoin Knots 0.16.3. Check the vendor advisory for mitigations.

References

• https://bitcoincore.org/en/2018/09/18/release-0.16.3/
• https://en.bitcoin.it/wiki/Common_Vulnerabilities_and_Exposures#CVE-2018-17144
• https://github.com/JinBean/CVE-Extension
• https://github.com/bitcoin/bitcoin/blob/v0.16.3/doc/release-notes.md
• https://github.com/bitcoinknots/bitcoin/blob/v0.16.3.knots20180918/doc/release-notes.md
• https://bitcoincore.org/en/2018/09/18/release-0.16.3/
• https://en.bitcoin.it/wiki/Common_Vulnerabilities_and_Exposures#CVE-2018-17144
• https://github.com/JinBean/CVE-Extension
• https://github.com/bitcoin/bitcoin/blob/v0.16.3/doc/release-notes.md
• https://github.com/bitcoinknots/bitcoin/blob/v0.16.3.knots20180918/doc/release-notes.md

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