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TI-2018-08732 Aliases CVE-2018-12183GHSA-9pwx-jwwh-vx6f

Out-of-bounds write in TianoCore Extensible Firmware Interface Development Kit

Priority LOW 31CWE-787Published · Updated

Key facts

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

Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.

Summary

Stack overflow in DxeCore for EDK II may allow an unauthenticated user to potentially enable escalation of privilege, information disclosure and/or denial of service via local access.

Why it matters now

EPSS 0.00502 43rd percentileScored 2026-11-07
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
TianoCoreExtensible Firmware Interface Development Kit (EDK II)N/A—No fix listedCNA
  • Extensible Firmware Interface Development Kit (EDK II) VendorTianoCore Affected N/A Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:tianocore:edk_ii:-:*:*:*:*:*:*:*not specified by NVDVulnerableTianoCore
  • cpe:2.3:a:tianocore:edk_ii:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·TianoCore

Remediation

No fixed version listed by the sources yet.

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Advisory ·

    Extensible Firmware Interface Development Kit (EDK II) — FEDORA-2019-d47a9d4b8b

    4 records Highest priority Priority LOW 4 LOW

    Other records, highest priority first

    • TI-2018-08728 Improper configuration in system firmware for EDK II may allow unauthenticated user to…Priority LOW 34
    • TI-2018-08731 Insufficient memory write check in SMM service for EDK II may allow an authenticated user…Priority LOW 30
    • TI-2019-00140 Out-of-bounds write in TianoCore Extensible Firmware Interface Development KitPriority LOW 25
    Show all 4 records → Advisory →

Vendor assessments

Red Hat

Red Hat rating: Moderate. Red Hat's page for this CVE →

Not affected: 3 products
  • Red Hat Enterprise Linux 7
  • Red Hat Enterprise Linux 8
  • Red Hat Virtualization 4

Timeline

  1. 2026-10-02 Threatist record created from CVE-2018-12183
  2. 2026-10-03 Alias added: GHSA-9pwx-jwwh-vx6f

References

Patch 1

Advisory 1

Other 1

  • TI-2019-00139 Buffer overflow in Extensible Firmware Interface Development Kit CVSS 3.1CRITICAL 9.8
  • TI-2018-08727 Memory corruption in TianoCore Extensible Firmware Interface Development Kit CVSS 3.0CRITICAL 9.1
  • TI-2018-08729 Out-of-bounds write in TianoCore Extensible Firmware Interface Development Kit CVSS 3.0HIGH 8.8
  • TI-2021-09442 BootPerformanceTable pointer is read from an NVRAM variable in PEI. CVSS 3.1HIGH 7.8
  • TI-2018-08728 Improper configuration in system firmware for EDK II may allow unauthenticated user to… CVSS 3.0HIGH 7.8
  • TI-2018-02649 Logic issue in variable service module for EDK II/UDK2018/UDK2017/UDK2015 may allow an… CVSS 3.0HIGH 7.8
See all 10 →

Sources

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