CVE-2026-19411 json
Shim/dp.c library: null-pointer dereference in is_removable_media_path() when devicepathtostr() returns null
published 2026-08-10 2 mo ago modified 2026-11-06 2 d ago also EUVD-2026-55827
- cvss
- 3.9
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.1%
- EPSS 0.1% chance of exploitation in 30 days, percentile 2%
- public exploits
- 0
- none known
Summary
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.
Vendor advisories
What the vendors themselves say about their products: affected, fixed or not affected, and what to do.
red hat product security vex CVE-2026-19411 updated cvss 3.9
shim/dp.c library: NULL-pointer dereference in is_removable_media_path() when DevicePathToStr() returns NULL
-
Red Hat Enterprise Linux 7 shim, mokutil, shim-x64, shim-ia32, shim-signed Red Hat Enterprise Linux 8 shim-unsigned-aarch64 Red Hat Enterprise Linux 9 shim-unsigned-aarch64affected: workaround, no fix available “Fix deferred”
Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 2 mo ago
Exploit prediction
0.13% chance of exploitation in the next 30 days, higher than 2% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 3.9 | CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:N/I:L/A:L |
Affected products
- Red Hat Red Hat Enterprise Linux 7
- Red Hat Red Hat Enterprise Linux 8
- Red Hat Red Hat Enterprise Linux 9
Classification
- Weakness
-
- CWE-476 NULL Pointer Dereference
References
-
access.redhat.com
/security/cve/CVE-2026-19411
vdb-entry
-
bugzilla.redhat.com
/show_bug.cgi?id=2513060
issue-tracking
Sources
- CVE List CVE-2026-19411
- NVD CVE-2026-19411
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.