CVE-2026-42199

Grid is a data structure grid for rust. From version 0.17.0 to before version 1.0.1, an integer overflow in Grid::expand_rows() 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 get_unchecked() with an invalid index, resulting in Undefined Behavior. This issue has been patched in version 1.0.1.

• CWE-190

• https://github.com/becheran/grid/commit/be213bd3528727148bef2d523c89e95d1fd9c072
• https://github.com/becheran/grid/releases/tag/v1.0.1
• https://github.com/becheran/grid/security/advisories/GHSA-38c5-483c-4qqp
• https://github.com/becheran/grid/security/advisories/GHSA-38c5-483c-4qqp

Published

May 8, 2026

Last Modified

Jun 17, 2026

Status

Deferred

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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