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CVE-2022-41912: Merge pull request from GHSA-j2jp-wvqg-wc2g · crewjam/saml@aee3fb1

The crewjam/saml go library prior to version 0.4.9 is vulnerable to an authentication bypass when processing SAML responses containing multiple Assertion elements. This issue has been corrected in version 0.4.9. There are no workarounds other than upgrading to a fixed version.

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GHSA-j2jp-wvqg-wc2g: crewjam/saml vulnerable to signature bypass via multiple Assertion elements due to improper authentication

### Impact The crewjam/saml go library is vulnerable to an authentication bypass when processing SAML responses containing multiple Assertion elements. ### Patches This issue has been corrected in version 0.4.9 ### Credit This issue was reported by Felix Wilhelm from Google Project Zero.

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