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TI-2020-18656 Aliases CVE-2020-36405GHSA-8qf3-hc2j-g9wq

Keystone Engine 0.9.2 has a use-after-free in llvm_ks::X86Operand::getToken.

Priority LOW 36CWE-416Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-416 and the CVSS impact.

Summary

Keystone Engine 0.9.2 has a use-after-free in llvm_ks::X86Operand::getToken.

Why it matters now

EPSS 0.01101 65th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

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
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:keystone-engine:keystone_engine:0.9.2:*:*:*:*:*:*:*0.9.2VulnerableKeystone-engine
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*not specified by NVDRunning onLinux
  • cpe:2.3:a:keystone-engine:keystone_engine:0.9.2:*:*:*:*:*:*:* Versions 0.9.2 Vulnerable ·Keystone-engine
  • cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* Versions not specified by NVD Running on ·Linux

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-36405
  2. 2026-10-03 Alias added: GHSA-8qf3-hc2j-g9wq

References

Sources