CVE-2026-19411

Name	CVE-2026-19411
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.
Source	CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
shim (PTS)	bullseye	15.8-1~deb11u1	vulnerable
	bookworm	16.1-2~deb12u1	vulnerable
	trixie	16.1-2~deb13u1	vulnerable
	forky, sid	16.1-2	vulnerable

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
shim	source	(unstable)	(unfixed)	unimportant

https://bugzilla.redhat.com/show_bug.cgi?id=2513060
Considered a hardening change by upstream