CVE-2026-34062

MEDIUM EPSS 21.4%
Published Apr 22, 20262mo ago · Modified Jun 17, 20262w ago
5.3 CVSS 3.1
Medium
Find Similar
Published Apr 22, 2026 2mo ago
Last Modified Jun 17, 2026 2w ago

Description

nimiq-libp2p is a Nimiq network implementation based on libp2p. Prior to version 1.3.0, `MessageCodec::read_request` and `read_response` call `read_to_end()` on inbound substreams, so a remote peer can send only a partial frame and keep the substream open. because `Behaviour::new` also sets `with_max_concurrent_streams(1000)`, the node exposes a much larger stalled-slot budget than the library default. The patch for this vulnerability is formally released as part of v1.3.0. No known workarounds are available.

CVSS Details

Base Score
5.3
Exploitability
3.9
Impact
1.4
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality None
Integrity None
Availability Low

Threat Intelligence

EPSS Exploit Probability
21.4% percentile
Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-770

Affected Products 1

VendorProductVersionRange
nimiqnimiq_proof-of-stake* <1.3.0

References 3

  • github.com https://github.com/nimiq/core-rs-albatross/commit/c021a5337b808c73571b44999f9753051bac7508
    Patch
  • github.com https://github.com/nimiq/core-rs-albatross/releases/tag/v1.3.0
    Release Notes
  • github.com https://github.com/nimiq/core-rs-albatross/security/advisories/GHSA-gh7r-qh4p-q4fr
    PatchVendor Advisory

Remediation

  • github.com https://github.com/nimiq/core-rs-albatross/commit/c021a5337b808c73571b44999f9753051bac7508
    Patch
  • github.com https://github.com/nimiq/core-rs-albatross/security/advisories/GHSA-gh7r-qh4p-q4fr
    PatchVendor Advisory