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TI-2020-18691 Aliases CVE-2020-36443GHSA-gvcp-948f-8f2p

An issue was discovered in the libp2p-deflate crate before 0.27.1 for Rust.

Priority MEDIUM 45CWE-908Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub.

Summary

An issue was discovered in the libp2p-deflate crate before 0.27.1 for Rust. An uninitialized buffer is passed to AsyncRead::poll_read(), which is a user-provided trait function.

Why it matters now

EPSS 0.0123 69th percentileScored 2026-11-07
Fix Fixed libp2p-deflate (crates.io): 0.27.1

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
—libp2p-deflate (crates.io)before 0.27.10.27.1Patch availableGHSA-gvcp-948f-8f2p
  • — Vendor— Affected all versions Fixed in — No fix listed CNA
  • libp2p-deflate (crates.io) Vendor— Affected before 0.27.1 Fixed in 0.27.1 Patch available GHSA-gvcp-948f-8f2p

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:libp2p:libp2p-deflate:*:*:*:*:*:rust:*:*before 0.27.1Vulnerablelibp2p
  • cpe:2.3:a:libp2p:libp2p-deflate:*:*:*:*:*:rust:*:* Versions before 0.27.1 Vulnerable ·libp2p

Remediation

  • Fix · GHSA-gvcp-948f-8f2p libp2p-deflate (crates.io) Fixed in 0.27.1 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-36443
  2. 2026-10-03 Alias added: GHSA-gvcp-948f-8f2p

References

Sources