{"dataType": "CVE_RECORD", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2026-38638", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "dateUpdated": "2026-08-28T15:07:17.275Z", "dateReserved": "2026-04-06T00:00:00.000Z", "datePublished": "2026-08-28T00:00:00.000Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2026-08-28T15:07:17.275Z"}, "descriptions": [{"lang": "en", "value": "An issue in the with_argv function (/unistd/mod.rs) of relibc commit 61f42d allows attackers to cause a Denial of Service (DoS) via a crafted input."}], "affected": [{"vendor": "n/a", "product": "n/a", "versions": [{"version": "n/a", "status": "affected"}]}], "references": [{"url": "https://gitlab.redox-os.org/redox-os/relibc/-/issues/261"}, {"url": "https://gitlab.redox-os.org/redox-os/relibc/-/merge_requests/989"}, {"url": "https://github.com/Marsman1996/pocs/tree/master/redox/CVE-2026-38638"}], "problemTypes": [{"descriptions": [{"type": "text", "lang": "en", "description": "n/a"}]}]}}, "dataVersion": "5.2"}

{}

{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "[email protected]"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An issue in the with_argv function (/unistd/mod.rs) of relibc commit 61f42d allows attackers to cause a Denial of Service (DoS) via a crafted input."}], "id": "CVE-2026-38638", "lastModified": "2026-08-28T16:17:47.063", "metrics": {}, "published": "2026-08-28T16:17:47.063", "references": [{"source": "[email protected]", "url": "https://github.com/Marsman1996/pocs/tree/master/redox/CVE-2026-38638"}, {"source": "[email protected]", "url": "https://gitlab.redox-os.org/redox-os/relibc/-/issues/261"}, {"source": "[email protected]", "url": "https://gitlab.redox-os.org/redox-os/relibc/-/merge_requests/989"}], "sourceIdentifier": "[email protected]", "vulnStatus": "Received"}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "generic", "value": "61f42d"}}], "enrichment": {"confidence": 80.0, "confidence_source": "inferred", "scores": [{"score": 80.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "n/a", "source": "cna", "vendor": "n/a"}, "product": "relibc", "vendor": "redox-os"}], "created": "2026-08-28T17:15:03.969615+00:00", "title": "Denial of Service via Crafted Input in relibc's with_argv Function", "updated": "2026-08-28T17:45:04.123170+00:00", "vendors": ["redox-os", "redox-os$PRODUCT$relibc"], "weaknesses": ["CWE-20"]}