CVE-2026-41434

Name	CVE-2026-41434
Description	OP-TEE is a Trusted Execution Environment (TEE) designed as companion to a non-secure Linux kernel running on Arm; Cortex-A cores using the TrustZone technology. Starting in version 3.10.0 and prior to version 4.11.0, an unbounded recursion can crash the PKCS#11 TA. Version 4.11.0 contains a patch. No known workarounds are available.
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)
Debian Bugs	1141642

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
optee-os (PTS)	trixie	4.5.0-2	vulnerable
	forky, sid	4.10.0-2	vulnerable

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
optee-os	source	(unstable)	(unfixed)			1141642

[trixie] - optee-os <no-dsa> (Minor issue)
https://github.com/OP-TEE/optee_os/security/advisories/GHSA-wh38-23ff-grff