LINK A problem that has existed since 2014 has been found. Time to look if your distro (most likely it is) is affected.
LINK “This vulnerability potentially allowed actors with access to a well-formed SAML response for an organization–typically authenticated users, but potentially compromised endpoints or malicious proxies–to modify their identity and impersonate another user within the same organization,” Akamai explained.
LINK A new vulnerability can expose data in memory. Time to look at updating the kernel.
LINK These vulnerabilities are 15 years old so unless you patched in the last few days already they are still there.