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CVE-2021-31876

EPSS 0.49% · P66
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I. Basic Information for CVE-2021-31876

Vulnerability Information
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Vulnerability Title
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Description
Bitcoin Core 0.12.0 through 0.21.1 does not properly implement the replacement policy specified in BIP125, which makes it easier for attackers to trigger a loss of funds, or a denial of service attack against downstream projects such as Lightning network nodes. An unconfirmed child transaction with nSequence = 0xff_ff_ff_ff, spending an unconfirmed parent with nSequence <= 0xff_ff_ff_fd, should be replaceable because there is inherited signaling by the child transaction. However, the actual PreChecks implementation does not enforce this. Instead, mempool rejects the replacement attempt of the unconfirmed child transaction.
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Bitcoin Core 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Bitcoin Core是一款用于验证区块链交易有效性的开源客户端。 Bitcoin Core 存在安全漏洞，该漏洞允许远程攻击者可利用该漏洞绕过某些安全限制。以下产品和版本的影响:Bitcoin Core: 0.12.0, 0.12.1, 0.13.0, 0.13.1, 0.13.2, 0.14.0, 0.14.1, 0.14.2, 0.14.3, 0.15.0, 0.15.0.1, 0.15.1, 0.15.2, 0.16.0, 0.16.1, 0.16.2, 0.16.3, 0.17.0, 0.17
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

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II. Public POCs for CVE-2021-31876

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III. Intelligence Information for CVE-2021-31876

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Mailing List Discussions for CVE-2021-31876 (1)

Other References for CVE-2021-31876 (4)

Same Patch Batch · n/a · 2021-05-13 · 36 CVEs total

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CVE-2021-20250Red Hat JBoss EJB Client 信息泄露漏洞
CVE-2021-25693Teradici PCoIP Graphics Agent 代码问题漏洞
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CVE-2021-22154Blackberry BlackBerry UEM 信息泄露漏洞
CVE-2021-22153Blackberry BlackBerry UEM 安全漏洞
CVE-2021-22152Blackberry BlackBerry UEM 输入验证错误漏洞
CVE-2021-31215Schedmd SchedMD Slurm 安全漏洞

Showing top 20 of 36 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

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Same vendor: n/a

V. Comments for CVE-2021-31876

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