DevilutionX 1.4.0 through 1.5.5 contains a heap buffer overflow vulnerability in the bundled libmpq libmpq__archive_dup routine when opening crafted MPQ archives. Attackers can supply an MPQ archive whose block table count exceeds its hash table count, causing memcpy to overflow the heap during startup and crash the game.

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Fixes

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History

Sat, 31 Oct 2026 03:30:00 +0000

Type Values Removed Values Added
References
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 28 Oct 2026 22:45:00 +0000

Type Values Removed Values Added
First Time appeared Diasurgical
Diasurgical devilutionx
Vendors & Products Diasurgical
Diasurgical devilutionx

Tue, 27 Oct 2026 04:30:00 +0000

Type Values Removed Values Added
Description DevilutionX 1.4.0 through 1.5.5 contains a heap buffer overflow vulnerability in the bundled libmpq libmpq__archive_dup routine when opening crafted MPQ archives. Attackers can supply an MPQ archive whose block table count exceeds its hash table count, causing memcpy to overflow the heap during startup and crash the game.
Title DevilutionX 1.4.0 through 1.5.5 Heap Buffer Overflow via libmpq__archive_dup
Weaknesses CWE-787
References
Metrics cvssV3_1

{'score': 6.1, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:H'}

cvssV4_0

{'score': 6.9, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:H/SC:N/SI:N/SA:N'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-10-31T02:27:46.916Z

Reserved: 2026-10-27T00:10:22.758Z

Link: CVE-2026-116842

cve-icon Vulnrichment

Updated: 2026-10-31T02:27:41.005Z

cve-icon NVD

Status : Deferred

Published: 2026-10-27T01:19:07.573

Modified: 2026-10-31T03:17:22.510

Link: CVE-2026-116842

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-10-28T22:18:39Z

Weaknesses