{"id":"CVE-2026-42199","state":"PUBLISHED","title":"Grid: Integer Overflow in Grid::expand_rows Leads to Safe-API Undefined Behavior","description":"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.","publishedAt":"2026-05-08T21:15:16.561Z","updatedAt":"2026-05-11T16:00:21.239Z","severity":{"score":6.2,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","source":"GitHub_M"},"assigner":"GitHub_M","products":["becheran grid"],"affected":[{"vendor":"becheran","product":"grid","versions":[{"version":">= 0.17.0, < 1.0.1","status":"affected"}]}],"references":["https://github.com/becheran/grid/security/advisories/GHSA-38c5-483c-4qqp","https://github.com/becheran/grid/commit/be213bd3528727148bef2d523c89e95d1fd9c072","https://github.com/becheran/grid/releases/tag/v1.0.1"],"weaknesses":["CWE-190"],"ingestedAt":"2026-10-29T20:11:57.932Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/42xxx/CVE-2026-42199.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-42199","state":"PUBLISHED","datePublished":"2026-05-08T21:15:16.561Z","dateUpdated":"2026-05-11T16:00:21.239Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2026-04-25T05:04:37.027Z"},"containers":{"cna":{"title":"Grid: Integer Overflow in Grid::expand_rows Leads to Safe-API Undefined Behavior","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."}],"affected":[{"vendor":"becheran","product":"grid","versions":[{"version":">= 0.17.0, < 1.0.1","status":"affected"}]}],"references":[{"url":"https://github.com/becheran/grid/security/advisories/GHSA-38c5-483c-4qqp","name":"https://github.com/becheran/grid/security/advisories/GHSA-38c5-483c-4qqp","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/becheran/grid/commit/be213bd3528727148bef2d523c89e95d1fd9c072","name":"https://github.com/becheran/grid/commit/be213bd3528727148bef2d523c89e95d1fd9c072","tags":["x_refsource_MISC"]},{"url":"https://github.com/becheran/grid/releases/tag/v1.0.1","name":"https://github.com/becheran/grid/releases/tag/v1.0.1","tags":["x_refsource_MISC"]}],"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"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-190","lang":"en","description":"CWE-190: Integer Overflow or Wraparound","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateUpdated":"2026-05-08T21:15:16.561Z"},"source":{"advisory":"GHSA-38c5-483c-4qqp","discovery":"UNKNOWN"}},"adp":[{"title":"CISA ADP Vulnrichment","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"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-05-11T16:00:21.239Z"}}]}}}