Vulnerability Description
DevilutionX 1.4.0 through 1.5.5 contains an out-of-bounds read vulnerability in the bundled libmpq libmpq__file_number_from_hash function that allows attackers to read heap memory via unchecked block_table_index values. Attackers can place a crafted .mpq archive in the game's data path, such as a mod, to trigger reads past mpq_map and crash the game.
CVSS Score
MEDIUM
Related Weaknesses (CWE)
References
- https://github.com/diasurgical/DevilutionX/blob/7223eeac9e8274fbf665b4de86fda26d
- https://github.com/diasurgical/DevilutionX/issues/8758
- https://github.com/diasurgical/DevilutionX/pull/8482
- https://github.com/diasurgical/libmpq/blob/b78d66c6fee6a501cc9b95d8556a129c68841
- https://hackmd.io/@haindpwn/devilutionx-libmpq-hash-block-table-oob
- https://www.vulncheck.com/advisories/devilutionx-1.4.0-through-1.5.5-out-of-boun
FAQ
What is CVE-2026-116841?
CVE-2026-116841 is a vulnerability with a CVSS score of 5.5 (MEDIUM). DevilutionX 1.4.0 through 1.5.5 contains an out-of-bounds read vulnerability in the bundled libmpq libmpq__file_number_from_hash function that allows attackers to read heap memory via unchecked block_...
How severe is CVE-2026-116841?
CVE-2026-116841 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2026-116841?
Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.