In Bitcoin Core 0.18.0, bitcoin-qt stores wallet.dat data unencrypted in memory
Published Sep 5, 2019
7.5
HIGHCVSS 3.1
EPSS 1.40%
Description
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.
Affected products
No data.
- 0.18.0
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:P/I:N/A:N
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 2, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
- EPSS v4
Table of values (14 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 2, 2026 | 1.40% (0.01402) | 71.58th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.39% (0.01390) | 68.67th | v5 (v2026.06.15) |
| Mar 30, 2025 | 0.41% (0.00406) | 58.14th | v4 (v2025.03.14) |
| Mar 29, 2025 | 4.50% (0.04500) | 81.50th | v4 (v2025.03.14) |
| Jul 20, 2024 | 0.24% (0.00236) | 62.12th | v3 (v2023.03.01) |
| Sep 3, 2023 | 0.24% (0.00236) | 61.02th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.20% (0.00203) | 56.51th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.02% (0.01018) | 40.69th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.02% (0.01018) | 36.86th | v2 (v2022.01.01) |
| Feb 4, 2022 | 15.35% (0.15351) | 91.59th | v2 (v2022.01.01) |
| Feb 3, 2022 | 4.50% (0.04504) | 76.47th | v1 |
| Jan 6, 2022 | 4.50% (0.04504) | 76.26th | v1 |
| Jan 5, 2022 | 1.04% (0.01040) | 65.70th | v5 (v2026.06.15) |
| Apr 14, 2021 | 1.04% (0.01040) | 0.00th | v1 |
References (4)
- https://en.bitcoin.it/wiki/Common_Vulnerabilities_and_Exposures#CVE-2019-15947 x_refsource_MISCNot Applicable
- https://gist.github.com/oxagast/50a121b2df32186e0c48411859d5861b x_refsource_MISCThird Party Advisory
- https://github.com/bitcoin/bitcoin/issues/16824 x_refsource_MISCIssue TrackingThird Party Advisory
- https://security.gentoo.org/glsa/202009-18 vendor-advisoryx_refsource_GENTOOThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| https://en.bitcoin.it/wiki/Common_Vulnerabilities_and_Exposures#CVE-2019-15947 | x_refsource_MISCNot Applicable | |
| https://gist.github.com/oxagast/50a121b2df32186e0c48411859d5861b | x_refsource_MISCThird Party Advisory | |
| https://github.com/bitcoin/bitcoin/issues/16824 | x_refsource_MISCIssue TrackingThird Party Advisory | |
| https://security.gentoo.org/glsa/202009-18 | vendor-advisoryx_refsource_GENTOOThird Party Advisory |
Change history (0)
No recorded changes yet.