CVE-2019-15947
mediumpriority · track · 31OT risk · elevatedEPSS 0.015 · 74 %ileEUUSEPSS · scored 2026-10-28
In Bitcoin Core 0.18.0, bitcoin-qt stores wallet.dat data unencrypted in memory. Upon a crash, it may dump a core file. If a user were to mishandle a core file, an attacker can reconstruct the user's wallet.dat file, including their private keys, via a grep "6231 0500" command.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 5–7.5
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (2)
Products and version ranges known to be affected.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (14)
External citations — patches, advisories, analysis.
- https://en.bitcoin.it/wiki/Common_Vulnerabilities_and_Exposures#CVE-2019-15947cnnvd
- https://gist.github.com/oxagast/50a121b2df32186e0c48411859d5861bcnnvd
- https://github.com/bitcoin/bitcoin/issues/16824cnnvd
- https://nvd.nist.gov/vuln/detail/CVE-2019-15947cnnvd
- https://packetstormsecurity.com/files/159400/Gentoo-Linux-Security-Advisory-202009-18.htmlcnnvd
- https://security.gentoo.org/glsa/202009-18cnnvd
- https://en.bitcoin.it/wiki/Common_Vulnerabilities_and_Exposures#CVE-2019-15947enisa_euvd
- https://gist.github.com/oxagast/50a121b2df32186e0c48411859d5861benisa_euvd
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