CVE-2026-19411Low· 3.9▾ SunlitA 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.
▾ Sunlit zone — Low / medium · no exploitation signal
impact 21.5 · likelihood 0 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake. The CVSS score shown above comes from the assigning CNA record, not NVD.
Exploit-prediction probability, daily snapshots since Nov 6.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
Last analysed / modified upstream
0.1%
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.
shim-signed (all versions)shim-unsigned-aarch64 (all versions)shim-unsigned-aarch64 (all versions)Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
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)"
Connected by shared product, vendor, weakness, or advisory.
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