{"id":"DEBIAN-CVE-2025-68480","details":"Marshmallow is a lightweight library for converting complex objects to and from simple Python datatypes. In versions from 3.0.0rc1 to before 3.26.2 and from 4.0.0 to before 4.1.2, Schema.load(data, many=True) is vulnerable to denial of service attacks. A moderately sized request can consume a disproportionate amount of CPU time. This issue has been patched in version 3.26.2 and 4.1.2.","modified":"2026-09-01T16:06:21.956235990Z","published":"2025-12-22T22:16:09.457Z","upstream":["CVE-2025-68480"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2025-68480"}],"affected":[{"package":{"name":"python-marshmallow","ecosystem":"Debian:12","purl":"pkg:deb/debian/python-marshmallow?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["3.18.0-1","3.20.1-1","3.20.1-1.1","3.26.1-0.1","3.26.1-0.2","3.26.1-0.3","3.26.1-0.4","3.26.2-0.1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2025-68480.json"}},{"package":{"name":"python-marshmallow","ecosystem":"Debian:13","purl":"pkg:deb/debian/python-marshmallow?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.26.2-0+deb13u1"}]}],"versions":["3.26.1-0.2","3.26.1-0.3","3.26.1-0.4"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2025-68480.json"}},{"package":{"name":"python-marshmallow","ecosystem":"Debian:14","purl":"pkg:deb/debian/python-marshmallow?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.26.2-0.1"}]}],"versions":["3.26.1-0.2","3.26.1-0.3","3.26.1-0.4"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2025-68480.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L"}]}