CVE-2019-15947 json
In Bitcoin Core 0.18.0, bitcoin-qt stores wallet.dat data unencrypted in memory.
published 2019-09-05 7 y ago modified 2026-06-17 4 mo ago also EUVD-2019-6848
- cvss
- 7.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.6%
- EPSS 1.6% chance of exploitation in 30 days, percentile 75%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- bitcoin openSUSE Leap 16.0 27.1-bp160.2.1
- bitcoin openSUSE Tumbleweed 31.0-2.1
opensuse advisories openSUSE-SU-2026:21149-1openSUSE-SU-2026:11073-1
Exploit prediction
1.56% chance of exploitation in the next 30 days, higher than 75% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N |
Classification
- Weakness
-
- CWE-312 Cleartext Storage of Sensitive Information
References
-
security.gentoo.org
/glsa/202009-18
vendor-advisory, third-party-advisory
-
gist.github.com
/oxagast/50a121b2df32186e0c48411859d5861b
third-party-advisory
-
en.bitcoin.it
/wiki/Common_Vulnerabilities_and_Exposures#CVE-2019-15947
not-applicable
-
github.com
/bitcoin/bitcoin/issues/16824
issue-tracking, third-party-advisory
Sources
- CVE List CVE-2019-15947
- NVD CVE-2019-15947
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