Read the docs
TI-2020-18304 Aliases CVE-2020-35861GHSA-vqx7-pw4r-29rr

An issue was discovered in the bumpalo crate before 3.2.1 for Rust.

Priority LOW 36CWE-125Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-125 and the CVSS impact.

Summary

An issue was discovered in the bumpalo crate before 3.2.1 for Rust. The realloc feature allows the reading of unknown memory. Attackers can potentially read cryptographic keys.

Why it matters now

EPSS 0.01509 74th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed bumpalo (crates.io): 3.2.1

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
—bumpalo (crates.io)3.0.0 to before 3.2.13.2.1Patch availableGHSA-vqx7-pw4r-29rr
  • — Vendor— Affected all versions Fixed in — No fix listed CNA
  • bumpalo (crates.io) Vendor— Affected 3.0.0 to before 3.2.1 Fixed in 3.2.1 Patch available GHSA-vqx7-pw4r-29rr

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:bumpalo_project:bumpalo:*:*:*:*:*:rust:*:*3.0.0 to before 3.2.1VulnerableBumpalo Project
  • cpe:2.3:a:bumpalo_project:bumpalo:*:*:*:*:*:rust:*:* Versions 3.0.0 to before 3.2.1 Vulnerable ·Bumpalo Project

Remediation

  • Fix · GHSA-vqx7-pw4r-29rr bumpalo (crates.io) Fixed in 3.2.1 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-35861
  2. 2026-10-03 Alias added: GHSA-vqx7-pw4r-29rr

References

Exploit 1

Advisory 1

Other 2

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences