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TI-2020-18307 Aliases CVE-2020-35864GHSA-c9h5-hf8r-m97x

An issue was discovered in the flatbuffers crate through 2020-04-11 for Rust.

Priority LOW 34CWE-704Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-704 and the CVSS impact.

Summary

An issue was discovered in the flatbuffers crate through 2020-04-11 for Rust. read_scalar (and read_scalar_at) can transmute values without unsafe blocks.

Why it matters now

EPSS 0.00591 48th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed flatbuffers (crates.io): 2.0.0

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
—flatbuffers (crates.io)0.4.0 to before 2.0.02.0.0Patch availableGHSA-c9h5-hf8r-m97x
  • — Vendor— Affected all versions Fixed in — No fix listed CNA
  • flatbuffers (crates.io) Vendor— Affected 0.4.0 to before 2.0.0 Fixed in 2.0.0 Patch available GHSA-c9h5-hf8r-m97x

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:google:flatbuffers:*:*:*:*:*:rust:*:*0.4.0 – 1.12.0VulnerableGoogle
  • cpe:2.3:a:google:flatbuffers:*:*:*:*:*:rust:*:* Versions 0.4.0 – 1.12.0 Vulnerable ·Google

Remediation

  • Fix · GHSA-c9h5-hf8r-m97x flatbuffers (crates.io) Fixed in 2.0.0 Advisory →

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-35864
  2. 2026-10-03 Alias added: GHSA-c9h5-hf8r-m97x

References

  • TI-2019-15145 An issue was discovered in the flatbuffers crate before 0.6.1 for Rust. CVSS 3.1CRITICAL 9.8

Sources