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CVSS: 4.3EPSS: 0%CPEs: 1EXPL: 0

Samourai Wallet Stonewallx2 0.99.98e allows a denial of service via a P2P coinjoin. The attacker and victim must follow each other's paynym. Then, the victim must try to collaborate with the attacker for a Stonewallx2 transaction. Next, the attacker broadcasts a tx, spending the inputs used in Stonewallx2 before the victim can broadcast the collaborative transaction. The attacker does not signal opt in RBF, and uses the lowest fee rate. • https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2022-July/020737.html https://lists.linuxfoundation.org/pipermail/bitcoin-dev/2022-June/020595.html • CWE-400: Uncontrolled Resource Consumption •