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Test your applicationsThere is no fixed version for Debian:11 lasso.
Note: Versions mentioned in the description apply only to the upstream lasso package and not the lasso package as distributed by Debian.
See How to fix? for Debian:11 relevant fixed versions and status.
A denial of service vulnerability exists in the g_assert_not_reached functionality of Entr'ouvert Lasso 2.5.1 and 2.8.2. A specially crafted SAML assertion response can lead to a denial of service. An attacker can send a malformed SAML response to trigger this vulnerability.