TI-2019-11991 Aliases CVE-2019-15947 GHSA-g4g7-v7q6-4xw8

In Bitcoin Core 0.18.0, bitcoin-qt stores wallet.dat data unencrypted in memory.

LOW 36CWE-312Published 2019-09-05 · Updated 2024-08-05

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Information disclosure
Confidentiality · integrity · availability: High · None · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-312.

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.

Why it matters now

EPSS 0.01562 75th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:bitcoin:bitcoin_core:0.18.0:::::::*	0.18.0	Vulnerable	Bitcoin

cpe:2.3:a:bitcoin:bitcoin_core:0.18.0:*:*:*:*:*:*:* Versions 0.18.0 Vulnerable ·Bitcoin

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2019-15947
2026-10-03 Alias added: GHSA-g4g7-v7q6-4xw8

References

Advisory 3

Other 1

https://en.bitcoin.it/wiki/Common_Vulnerabilities_and_Exposures#CVE-2019-15947

TI-2023-18826 Memory management and protection issues in Bitcoin Core v22 allows attackers to modify… CVSS 3.1HIGH 7.5
TI-2018-12251 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… CVSS 3.1HIGH 7.5
TI-2024-23274 Bitcoin Core before 25.0 allows remote attackers to cause a denial of service (blocktxn… CVSS 3.1HIGH 7.5
TI-2024-35417 Bitcoin Core before 0.20.0 allows remote attackers to cause a denial of service (infinite… CVSS 3.1HIGH 7.5
TI-2024-35412 Bitcoin Core before 0.20.0 allows remote attackers to cause a denial of service (memory… CVSS 3.1HIGH 7.5
TI-2019-15274 Bitcoin Core before 24.0.1 allows remote attackers to cause a denial of service (daemon… CVSS 3.1HIGH 7.5

See all 53 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences