{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-19411", "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "state": "PUBLISHED", "assignerShortName": "redhat", "dateReserved": "2026-08-10T09:33:00.303Z", "datePublished": "2026-08-10T20:45:52.786Z", "dateUpdated": "2026-08-10T20:45:52.786Z"}, "containers": {"cna": {"title": "Shim/dp.c library: null-pointer dereference in is_removable_media_path() when devicepathtostr() returns null", "metrics": [{"other": {"content": {"value": "Low", "namespace": "https://access.redhat.com/security/updates/classification/"}, "type": "Red Hat severity rating"}}, {"cvssV3_1": {"attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "LOW", "baseScore": 3.9, "baseSeverity": "LOW", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "HIGH", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:L/A:L", "version": "3.1"}, "format": "CVSS"}], "descriptions": [{"lang": "en", "value": "A NULL pointer vulnerability has been found in the the shim application of dp.c library. A missing NULL pointer could allow attackers to perform a denial of service attack on a system that uses shim application for UEFI bootloader."}], "affected": [{"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 7", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "shim-signed", "defaultStatus": "unknown", "cpes": ["cpe:/o:redhat:enterprise_linux:7"]}, {"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 8", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "shim-unsigned-aarch64", "defaultStatus": "unknown", "cpes": ["cpe:/o:redhat:enterprise_linux:8"]}, {"vendor": "Red Hat", "product": "Red Hat Enterprise Linux 9", "collectionURL": "https://access.redhat.com/downloads/content/package-browser/", "packageName": "shim-unsigned-aarch64", "defaultStatus": "unknown", "cpes": ["cpe:/o:redhat:enterprise_linux:9"]}], "references": [{"url": "https://access.redhat.com/security/cve/CVE-2026-19411", "tags": ["vdb-entry", "x_refsource_REDHAT"]}, {"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2513060", "name": "RHBZ#2513060", "tags": ["issue-tracking", "x_refsource_REDHAT"]}], "datePublic": "2026-08-10T09:00:00.000Z", "problemTypes": [{"descriptions": [{"cweId": "CWE-476", "description": "NULL Pointer Dereference", "lang": "en", "type": "CWE"}]}], "x_redhatCweChain": "CWE-476: NULL Pointer Dereference", "workarounds": [{"lang": "en", "value": "The code could be modified to include NULL pointer checkers in the code. \nBefore DevicePathToStr : \"if (li == NULL || li->FilePath == NULL) return 0;\"\nAfter DevicePathToStr : \"if (bootpath == NULL) return 0;\"\nAt error: \"if (bootpath != NULL)\""}], "timeline": [{"lang": "en", "time": "2026-08-10T09:17:18.382Z", "value": "Reported to Red Hat."}, {"lang": "en", "time": "2026-08-10T09:00:00.000Z", "value": "Made public."}], "providerMetadata": {"orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat", "dateUpdated": "2026-08-10T20:45:52.786Z"}, "x_generator": {"engine": "cvelib 1.8.0"}}}}

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