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BIP-143 in the Bitcoin protocol specification mishandles the signing of a Segwit transaction, which allows attackers to trick a user into making two signatures in certain cases, potentially leading to a huge transaction fee. NOTE: this affects all hardware wallets. It was fixed in 1.9.1 for the...

6.5CVSS6.9AI score0.00236EPSS

Exploits0

RedhatCVE•added 2025/05/22 12:14 p.m.•8 views

CVE-2012-1909

The Bitcoin protocol, as used in bitcoind before 0.4.4, wxBitcoin, Bitcoin-Qt, and other programs, does not properly handle multiple transactions with the same identifier, which allows remote attackers to cause a denial of service unspendable transaction by leveraging the ability to create a...

5CVSS6.9AI score0.01382EPSS

Exploits1References1

Prion•added 2020/06/16 6:15 p.m.•11 views

Design/Logic Flaw

4.3CVSS6.4AI score0.00236EPSS

Exploits0References1Affected Software2

Tenable Nessus•added 2013/12/06 12:0 a.m.•10 views

Bitcoin Client Detection (Bitcoin Protocol)

Binary data 8065.prm...

7.3AI score

Exploits0References1

UbuntuCve•added 2012/08/06 4:55 p.m.•24 views

CVE-2012-1909

5CVSS5.9AI score0.01382EPSS

Exploits1References6

Prion•added 2012/08/06 4:55 p.m.•11 views

Information disclosure

5CVSS7.2AI score0.01382EPSS

Exploits1References7Affected Software1

CVE•added 2012/08/06 4:0 p.m.•34 views

CVE-2012-1909

CVE-2012-1909 affects the Bitcoin protocol implementations (e.g., bitcoind before 0.4.4, wxBitcoin, Bitcoin-Qt). The vulnerability arises from improper handling of multiple transactions sharing the same identifier, enabling remote attackers to trigger a denial of service by creating a duplicate c...

5CVSS6.8AI score0.01382EPSS

Exploits1References7Affected Software2