CVE-2026-42199 Grid: Integer Overflow in Grid::expand_rows Leads to Safe-API Undefined Behavior

Grid is a data structure grid for rust. From version 0.17.0 to before version 1.0.1, an integer overflow in Grid::expandrows can corrupt the relationship between the grid’s logical dimensions and its backing storage. After the internal invariant is broken, the safe API get may invoke getunchecked...

GHSA-38C5-483C-4QQP Grid: Integer Overflow in Grid::expand_rows Leads to Safe-API Undefined Behavior

Summary An integer overflow in Grid::expandrows can corrupt the relationship between the grid’s logical dimensions and its backing storage. After the internal invariant is broken, the safe API get may invoke getunchecked with an invalid index, resulting in Undefined Behavior. Details Tested...

PT-2026-37174

Name of the Vulnerable Software and Affected Versions Grid versions 0.17.0 through 1.0.0 Description An integer overflow in the expand rows function can corrupt the relationship between the grid's logical dimensions and its backing storage. This occurs because the function computes the new backin...