CVE-2025-46784

Name	CVE-2025-46784
Description	A denial of service vulnerability exists in the lasso_node_init_from_message_with_format functionality of Entr'ouvert Lasso 2.5.1. A specially crafted SAML response can lead to a memory depletion, resulting in denial of service. An attacker can send a malformed SAML response to trigger this vulnerability.
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
lasso (PTS)	bullseye	2.6.1-3	vulnerable
	bookworm	2.8.1-1	fixed
	bookworm (security)	2.8.1-1+deb12u1	fixed
	trixie	2.8.2-9	fixed
	trixie (security)	2.8.2-9+deb13u1	fixed
	forky, sid	2.9.0-3	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
lasso	source	(unstable)	2.8.1-1

Notes

https://talosintelligence.com/vulnerability_reports/TALOS-2025-2195
https://git.entrouvert.org/lasso.git/commit/?id=8a588a8acb4a9cb7c7cb4dfd91a8278264a6d15a (v2.8.1)