Description
bitcoind in Bitcoin Core through 0.21.0 can create a new file in an arbitrary directory (e.g., outside the ~/.bitcoin directory) via a dumpwallet RPC call. NOTE: this reportedly does not violate the security model of Bitcoin Core, but can violate the security model of a fork that has implemented dumpwallet restrictions
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SUSE Package Hub 15 SP3 | bitcoin | 0.21.2-bp153.2.3.1 | openSUSE-SU-2022:0072-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 16.0 | bitcoin | 27.1-bp160.2.1 | openSUSE-SU-2026:21149-1 |
| openSUSE Leap 15.3 | bitcoin | 0.21.2-bp153.2.3.1 | openSUSE-SU-2022:0072-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.18 | bitcoin | 0.21.1-r0 | — |
| Alpine v3.17 | bitcoin | 0.21.1-r0 | — |
| Alpine v3.16 | bitcoin | 0.21.1-r0 | — |
| Alpine v3.15 | bitcoin | 0.21.1-r0 | — |
| Alpine v3.14 | bitcoin | 0.21.1-r0 | — |
Advisories 2
- openSUSE-SU-2026:21149-1 Security update for bitcoin SUSE / openSUSE Security Updates · Jun 30, 2026
- openSUSE-SU-2022:0072-1 Security update for bitcoin SUSE / openSUSE Security Updates · Feb 4, 2026