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TI-2021-15867 Aliases CVE-2021-38190GHSA-3w8g-xr3f-2mp8

An issue was discovered in the nalgebra crate before 0.27.1 for Rust.

Priority MEDIUM 45CWE-119Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-119 and the CVSS impact.

Summary

An issue was discovered in the nalgebra crate before 0.27.1 for Rust. It allows out-of-bounds memory access because it does not ensure that the number of elements is equal to the product of the row count and column count.

Why it matters now

EPSS 0.01411 72nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed nalgebra (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
—nalgebra (crates.io)0.11.0 to before 0.27.10.27.1Patch availableGHSA-3w8g-xr3f-2mp8
  • — Vendor— Affected all versions Fixed in — No fix listed CNA
  • nalgebra (crates.io) Vendor— Affected 0.11.0 to before 0.27.1 Fixed in 0.27.1 Patch available GHSA-3w8g-xr3f-2mp8

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:dimforge:nalgebra:*:*:*:*:*:rust:*:*before 0.27.1VulnerableDimforge
  • cpe:2.3:a:dimforge:nalgebra:*:*:*:*:*:rust:*:* Versions before 0.27.1 Vulnerable ·Dimforge

Remediation

  • Fix · GHSA-3w8g-xr3f-2mp8 nalgebra (crates.io) Fixed in 0.27.1 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-38190
  2. 2026-10-03 Alias added: GHSA-3w8g-xr3f-2mp8

References

Sources