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Bitcoin Core

bitcoin_core

Vendor: Bitcoin • 54 CVEs

CVEs (54)

CVE
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CVSS
1Bitcoin
1Bitcoin Core
Apr 2, 2026
Mar 20, 2026
N/A· v4
7.5 HIGH· v3
N/A· v2
Bitcoin Core 0.13.0 through 29.x has an integer overflow.
1Bitcoin
1Bitcoin Core
Apr 2, 2026
Mar 20, 2026
N/A· v4
5.3 MEDIUM· v3
N/A· v2
Bitcoin Core through 29.0 allows a denial of service via a crafted transaction.
1Bitcoin
1Bitcoin Core
Nov 7, 2025
Oct 28, 2025
N/A· v4
7.5 HIGH· v3
N/A· v2
Bitcoin Core through 29.0 allows Uncontrolled Resource Consumption (issue 2 of 2).
1Bitcoin
1Bitcoin Core
Nov 7, 2025
Oct 28, 2025
N/A· v4
7.5 HIGH· v3
N/A· v2
Bitcoin Core through 29.0 allows Uncontrolled Resource Consumption (issue 1 of 2).
1Bitcoin
1Bitcoin Core
May 22, 2025
Dec 9, 2024
N/A· v4
5.3 MEDIUM· v3
N/A· v2
Bitcoin Core through 27.2 allows transaction-relay jamming via an off-chain protocol attack, a related issue to CVE-2024-52913. For example, the outcome of an HTLC (Hashed Timelock Contract) can be changed because a floo...Show more
Bitcoin Core through 27.2 allows transaction-relay jamming via an off-chain protocol attack, a related issue to CVE-2024-52913. For example, the outcome of an HTLC (Hashed Timelock Contract) can be changed because a flood of transaction traffic prevents propagation of certain Lightning channel transactions.Show less
1Bitcoin
1Bitcoin Core
Apr 30, 2025
Nov 18, 2024
N/A· v4
6.5 MEDIUM· v3
N/A· v2
In Bitcoin Core before 25.1, an attacker can cause a node to not download the latest block, because there can be minutes of delay when an announcing peer stalls instead of complying with the peer-to-peer protocol specifi...Show more
In Bitcoin Core before 25.1, an attacker can cause a node to not download the latest block, because there can be minutes of delay when an announcing peer stalls instead of complying with the peer-to-peer protocol specification.Show less
1Bitcoin
1Bitcoin Core
Apr 30, 2025
Nov 18, 2024
N/A· v4
5.3 MEDIUM· v3
N/A· v2
In Bitcoin Core before 25.0, a peer can affect the download state of other peers by sending a mutated block.
1Bitcoin
1Bitcoin Core
Apr 30, 2025
Nov 18, 2024
N/A· v4
7.5 HIGH· v3
N/A· v2
Bitcoin Core before 0.20.0 allows remote attackers to cause a denial of service (infinite loop) via a malformed GETDATA message.
1Bitcoin
1Bitcoin Core
Apr 30, 2025
Nov 18, 2024
N/A· v4
6.5 MEDIUM· v3
N/A· v2
Bitcoin Core before 22.0 has a CAddrMan nIdCount integer overflow and resultant assertion failure (and daemon exit) via a flood of addr messages.
1Bitcoin
1Bitcoin Core
Apr 30, 2025
Nov 18, 2024
N/A· v4
6.5 MEDIUM· v3
N/A· v2
Bitcoin Core before 22.0 has a miniupnp infinite loop in which it allocates memory on the basis of random data received over the network, e.g., large M-SEARCH replies from a fake UPnP device.
1Bitcoin
1Bitcoin Core
Apr 30, 2025
Nov 18, 2024
N/A· v4
7.5 HIGH· v3
N/A· v2
Bitcoin Core before 0.15.0 allows a denial of service (OOM kill of a daemon process) via a flood of minimum difficulty headers.
1Bitcoin
1Bitcoin Core
Apr 30, 2025
Nov 18, 2024
N/A· v4
7.5 HIGH· v3
N/A· v2
Bitcoin Core before 0.20.0 allows remote attackers to cause a denial of service (memory consumption) via a crafted INV message.
1Bitcoin
1Bitcoin Core
Apr 30, 2025
Nov 18, 2024
N/A· v4
7.5 HIGH· v3
N/A· v2
In Bitcoin Core before 0.18.0, a node could be stalled for hours when processing the orphans of a crafted unconfirmed transaction.
1Bitcoin
1Bitcoin Core
Apr 30, 2025
Nov 18, 2024
N/A· v4
5.3 MEDIUM· v3
N/A· v2
In Bitcoin Core before 0.21.0, an attacker could prevent a node from seeing a specific unconfirmed transaction, because transaction re-requests are mishandled.
1Bitcoin
1Bitcoin Core
Apr 30, 2025
Nov 18, 2024
N/A· v4
7.5 HIGH· v3
N/A· v2
Bitcoin Core before 0.21.0 allows a network split that is resultant from an integer overflow (calculating the time offset for newly connecting peers) and an abs64 logic bug.
1Bitcoin
1Bitcoin Core
May 22, 2025
Nov 18, 2024
N/A· v4
7.5 HIGH· v3
N/A· v2
Bitcoin Core before 24.0.1 allows remote attackers to cause a denial of service (daemon crash) via a flood of low-difficulty header chains (aka a "Chain Width Expansion" attack) because a node does not first verify that...Show more
Bitcoin Core before 24.0.1 allows remote attackers to cause a denial of service (daemon crash) via a flood of low-difficulty header chains (aka a "Chain Width Expansion" attack) because a node does not first verify that a presented chain has enough work before committing to store it.Show less
1Bitcoin
1Bitcoin Core
May 22, 2025
Oct 10, 2024
N/A· v4
7.5 HIGH· v3
N/A· v2
Bitcoin Core before 25.0 allows remote attackers to cause a denial of service (blocktxn message-handling assertion and node exit) by including transactions in a blocktxn message that are not committed to in a block's mer...Show more
Bitcoin Core before 25.0 allows remote attackers to cause a denial of service (blocktxn message-handling assertion and node exit) by including transactions in a blocktxn message that are not committed to in a block's merkle root. FillBlock can be called twice for one PartiallyDownloadedBlock instance.Show less
2Bitcoin
Bitcoinknots
2Bitcoin Core
Bitcoin Knots
Nov 21, 2024
Dec 9, 2023
N/A· v4
5.3 MEDIUM· v3
N/A· v2
In Bitcoin Core through 26.0 and Bitcoin Knots before 25.1.knots20231115, datacarrier size limits can be bypassed by obfuscating data as code (e.g., with OP_FALSE OP_IF), as exploited in the wild by Inscriptions in 2022...Show more
In Bitcoin Core through 26.0 and Bitcoin Knots before 25.1.knots20231115, datacarrier size limits can be bypassed by obfuscating data as code (e.g., with OP_FALSE OP_IF), as exploited in the wild by Inscriptions in 2022 and 2023. NOTE: although this is a vulnerability from the perspective of the Bitcoin Knots project, some others consider it "not a bug."Show less
1Bitcoin
1Bitcoin Core
Nov 21, 2024
Jul 7, 2023
N/A· v4
7.5 HIGH· v3
N/A· v2
Memory management and protection issues in Bitcoin Core v22 allows attackers to modify the stored sending address within the app's memory, potentially allowing them to redirect Bitcoin transactions to wallets of their ow...Show more
Memory management and protection issues in Bitcoin Core v22 allows attackers to modify the stored sending address within the app's memory, potentially allowing them to redirect Bitcoin transactions to wallets of their own choosing.Show less
1Bitcoin
1Bitcoin Core
Jan 28, 2025
May 22, 2023
N/A· v4
7.5 HIGH· v3
N/A· v2
Bitcoin Core before 24.1, when debug mode is not used, allows attackers to cause a denial of service (e.g., CPU consumption) because draining the inventory-to-send queue is inefficient, as exploited in the wild in May 20...Show more
Bitcoin Core before 24.1, when debug mode is not used, allows attackers to cause a denial of service (e.g., CPU consumption) because draining the inventory-to-send queue is inefficient, as exploited in the wild in May 2023.Show less