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.
Advisories

No advisories yet.

Fixes

Solution

No solution given by the vendor.


Workaround

The code could be modified to include NULL pointer checkers in the code. Before DevicePathToStr : "if (li == NULL || li->FilePath == NULL) return 0;" After DevicePathToStr : "if (bootpath == NULL) return 0;" At error: "if (bootpath != NULL)"

History

Tue, 11 Aug 2026 14:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Tue, 11 Aug 2026 00:15:00 +0000

Type Values Removed Values Added
References
Metrics threat_severity

None

threat_severity

Low


Mon, 10 Aug 2026 21:00:00 +0000

Type Values Removed Values Added
Description 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.
Title Shim/dp.c library: null-pointer dereference in is_removable_media_path() when devicepathtostr() returns null
First Time appeared Redhat
Redhat enterprise Linux
Weaknesses CWE-476
CPEs cpe:/o:redhat:enterprise_linux:7
cpe:/o:redhat:enterprise_linux:8
cpe:/o:redhat:enterprise_linux:9
Vendors & Products Redhat
Redhat enterprise Linux
References
Metrics cvssV3_1

{'score': 3.9, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:L/A:L'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: redhat

Published:

Updated: 2026-08-11T13:29:56.899Z

Reserved: 2026-08-10T09:33:00.303Z

Link: CVE-2026-19411

cve-icon Vulnrichment

Updated: 2026-08-11T13:29:53.815Z

cve-icon NVD

Status : Received

Published: 2026-08-10T21:17:23.060

Modified: 2026-08-11T14:17:13.153

Link: CVE-2026-19411

cve-icon Redhat

Severity : Low

Publid Date: 2026-08-10T09:00:00Z

Links: CVE-2026-19411 - Bugzilla

cve-icon OpenCVE Enrichment

Updated: 2026-08-11T14:21:38Z

Weaknesses