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TI-2020-11799 Aliases CVE-2020-15007GHSA-fqq3-4hx4-vff7

A buffer overflow in the M_LoadDefaults function in m_misc.c in id Tech 1 (aka Doom…

Priority MEDIUM 47CWE-120Published · 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
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-120 and the CVSS impact.

Summary

A buffer overflow in the M_LoadDefaults function in m_misc.c in id Tech 1 (aka Doom engine) allows arbitrary code execution via an unsafe usage of fscanf, because it does not limit the number of characters to be read in a format argument.

Why it matters now

EPSS 0.02491 84th 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
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:a:idsoftware:tech_1:-:*:*:*:*:*:*:*not specified by NVDVulnerableIdsoftware
cpe:2.3:a:doom_vanille_project:doom_vanille:*:*:*:*:*:*:*:*before 671VulnerableDoom Vanille Project
  • cpe:2.3:a:idsoftware:tech_1:-:*:*:*:*:*:*:* Versions not specified by NVD Vulnerable ·Idsoftware
  • cpe:2.3:a:doom_vanille_project:doom_vanille:*:*:*:*:*:*:*:* Versions before 671 Vulnerable ·Doom Vanille Project

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-15007
  2. 2026-10-03 Alias added: GHSA-fqq3-4hx4-vff7

References

Patch 1

Advisory 1

Sources

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