{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-42199","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","state":"PUBLISHED","assignerShortName":"GitHub_M","dateReserved":"2026-04-25T05:04:37.027Z","datePublished":"2026-05-08T21:15:16.561Z","dateUpdated":"2026-05-11T16:00:21.239Z"},"containers":{"cna":{"title":"Grid: Integer Overflow in Grid::expand_rows Leads to Safe-API Undefined Behavior","problemTypes":[{"descriptions":[{"cweId":"CWE-190","lang":"en","description":"CWE-190: Integer Overflow or Wraparound","type":"CWE"}]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":6.2,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"NONE","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","version":"3.1"}}],"references":[{"name":"https://github.com/becheran/grid/security/advisories/GHSA-38c5-483c-4qqp","tags":["x_refsource_CONFIRM"],"url":"https://github.com/becheran/grid/security/advisories/GHSA-38c5-483c-4qqp"},{"name":"https://github.com/becheran/grid/commit/be213bd3528727148bef2d523c89e95d1fd9c072","tags":["x_refsource_MISC"],"url":"https://github.com/becheran/grid/commit/be213bd3528727148bef2d523c89e95d1fd9c072"},{"name":"https://github.com/becheran/grid/releases/tag/v1.0.1","tags":["x_refsource_MISC"],"url":"https://github.com/becheran/grid/releases/tag/v1.0.1"}],"affected":[{"vendor":"becheran","product":"grid","versions":[{"version":">= 0.17.0, < 1.0.1","status":"affected"}]}],"providerMetadata":{"orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M","dateUpdated":"2026-05-08T21:15:16.561Z"},"descriptions":[{"lang":"en","value":"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."}],"source":{"advisory":"GHSA-38c5-483c-4qqp","discovery":"UNKNOWN"}},"adp":[{"references":[{"url":"https://github.com/becheran/grid/security/advisories/GHSA-38c5-483c-4qqp","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-05-11T16:00:17.428184Z","id":"CVE-2026-42199","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-05-11T16:00:21.239Z"}}]}}