{"id":"UBUNTU-CVE-2023-28119","details":"The crewjam/saml go library contains a partial implementation of the SAML standard in golang. Prior to version 0.4.13, the package's use of `flate.NewReader` does not limit the size of the input. The user can pass more than 1 MB of data in the HTTP request to the processing functions, which will be decompressed server-side using the Deflate algorithm. Therefore, after repeating the same request multiple times, it is possible to achieve a reliable crash since the operating system kills the process. This issue is patched in version 0.4.13.","modified":"2025-09-08T16:56:11Z","published":"2023-03-22T20:15:00Z","upstream":["CVE-2023-28119"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-28119"},{"type":"REPORT","url":"https://github.com/crewjam/saml/commit/8e9236867d176ad6338c870a84e2039aef8a5021"},{"type":"REPORT","url":"https://github.com/crewjam/saml/security/advisories/GHSA-5mqj-xc49-246p"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2023-28119"}],"affected":[{"package":{"name":"golang-github-crewjam-saml","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/golang-github-crewjam-saml@0.4.6-2?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.4.5+git20201228.07f15a6-2","0.4.6-1","0.4.6-2"],"ecosystem_specific":{"binaries":[{"binary_name":"golang-github-crewjam-saml-dev","binary_version":"0.4.6-2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-28119.json"}},{"package":{"name":"golang-github-crewjam-saml","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/golang-github-crewjam-saml@0.4.12-2?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["0.4.12-2"],"ecosystem_specific":{"binaries":[{"binary_name":"golang-github-crewjam-saml-dev","binary_version":"0.4.12-2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-28119.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}