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CVE-2025-47270— nimiq-network-libp2p Uncontrolled Resource Consumption vulnerability

Quick assessment

Affected
nimiq core-rs-albatross
Exploitation
Public or AI PoC available; prioritize validation
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

core-rs-albatross是Nimiq开源的一个Albatross协议的Rust实现。 core-rs-albatross v1.1.0之前版本存在资源管理错误漏洞，该漏洞源于未控制内存分配，可能导致拒绝服务攻击。

CVSS 7.5 · High EPSS 0.71% · P51
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I. Basic Information for CVE-2025-47270

Vulnerability Information
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Vulnerability Title
nimiq-network-libp2p Uncontrolled Resource Consumption vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
nimiq/core-rs-albatross is a Rust implementation of the Nimiq Proof-of-Stake protocol based on the Albatross consensus algorithm. The `nimiq-network-libp2p` subcrate of nimiq/core-rs-albatross is vulnerable to a Denial of Service (DoS) attack due to uncontrolled memory allocation. Specifically, the implementation of the `Discovery` network message handling allocates a buffer based on a length value provided by the peer, without enforcing an upper bound. Since this length is a `u32`, a peer can trigger allocations of up to 4 GB, potentially leading to memory exhaustion and node crashes. As Discovery messages are regularly exchanged for peer discovery, this vulnerability can be exploited repeatedly. The patch for this vulnerability is formally released as part of v1.1.0. The patch implements a limit to the discovery message size of 1 MB and also resizes the message buffer size incrementally as the data is read. No known workarounds are available.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
未加控制的资源消耗(资源穷尽)
Source: CVE Program / CVE List V5
Vulnerability Title
core-rs-albatross 资源管理错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
core-rs-albatross是Nimiq开源的一个Albatross协议的Rust实现。 core-rs-albatross v1.1.0之前版本存在资源管理错误漏洞，该漏洞源于未控制内存分配，可能导致拒绝服务攻击。
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

Vendor Product Affected Versions CPE Subscribe
nimiq core-rs-albatross < 1.1.0 -

II. Public POCs for CVE-2025-47270

# POC Description Source Link Shenlong Link
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Qwen3.6-35B-A3B · 9283 chars
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III. Intelligence Information for CVE-2025-47270

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IV. Related Vulnerabilities

Same product: core-rs-albatross
Same vendor: nimiq
Same weakness: CWE-400

V. Comments for CVE-2025-47270

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