{"id":"DEBIAN-CVE-2020-29509","details":"The encoding/xml package in Go (all versions) does not correctly preserve the semantics of attribute namespace prefixes during tokenization round-trips, which allows an attacker to craft inputs that behave in conflicting ways during different stages of processing in affected downstream applications.","modified":"2026-08-20T11:02:49.828769109Z","published":"2020-12-14T20:15:13.060Z","upstream":["CVE-2020-29509"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2020-29509"}],"affected":[{"package":{"name":"golang-1.15","ecosystem":"Debian:11","purl":"pkg:deb/debian/golang-1.15?arch=source&distro=bullseye"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.15.15-1","1.15.15-1~deb11u1","1.15.15-1~deb11u2","1.15.15-1~deb11u3","1.15.15-1~deb11u4","1.15.15-2","1.15.15-3","1.15.15-4","1.15.15-5","1.15.9-6"],"ecosystem_specific":{"urgency":"unimportant"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2020-29509.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L"}]}