Medium severity5.5NVD Advisory· Published Oct 27, 2026
CVE-2026-116841
CVE-2026-116841
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.
Affected products
1- Range: 1.4.0 - 1.5.5
Patches
Vulnerability mechanics
References
6- github.com/diasurgical/DevilutionX/blob/7223eeac9e8274fbf665b4de86fda26d3b22c52f/3rdParty/libmpq/CMakeLists.txtnvd
- github.com/diasurgical/DevilutionX/issues/8758nvd
- github.com/diasurgical/DevilutionX/pull/8482nvd
- github.com/diasurgical/libmpq/blob/b78d66c6fee6a501cc9b95d8556a129c68841b05/libmpq/mpq.cnvd
- hackmd.io/@haindpwn/devilutionx-libmpq-hash-block-table-oobnvd
- www.vulncheck.com/advisories/devilutionx-1.4.0-through-1.5.5-out-of-bounds-read-via-libmpq-hash-table-lookupnvd
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