{"id":"UBUNTU-CVE-2021-29421","details":"models/metadata.py in the pikepdf package 1.3.0 through 2.9.2 for Python allows XXE when parsing XMP metadata entries.","modified":"2026-05-20T16:04:54.973148951Z","published":"2021-04-01T20:15:00Z","upstream":["CVE-2021-29421"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2021-29421"},{"type":"REPORT","url":"https://github.com/pikepdf/pikepdf/commit/3f38f73218e5e782fe411ccbb3b44a793c0b343a"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2021-29421"}],"affected":[{"package":{"name":"pikepdf","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/pikepdf?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.6.4+dfsg-1","1.6.4+dfsg-1build1","1.6.5+dfsg-1","1.7.0+dfsg-1","1.8.1+dfsg-1","1.10.0+dfsg-1build1","1.10.3+dfsg-1"],"ecosystem_specific":{"binaries":[{"binary_version":"1.10.3+dfsg-1","binary_name":"python3-pikepdf"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-29421.json"}},{"package":{"name":"pikepdf","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/pikepdf?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["1.17.3+dfsg-5ubuntu1","3.2.0+dfsg-2","4.2.0+dfsg-1","5.0.1+dfsg-1"],"ecosystem_specific":{"binaries":[{"binary_name":"python3-pikepdf","binary_version":"5.0.1+dfsg-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-29421.json"}},{"package":{"name":"pikepdf","ecosystem":"Ubuntu:24.04:LTS","purl":"pkg:deb/ubuntu/pikepdf?arch=source&distro=noble"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["8.3.2+dfsg-1","8.5.1+dfsg-1","8.5.1+dfsg-1build1","8.7.1+dfsg-2","8.7.1+dfsg-2build1","8.7.1+dfsg-2build2"],"ecosystem_specific":{"binaries":[{"binary_name":"python3-pikepdf","binary_version":"8.7.1+dfsg-2build2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-29421.json"}},{"package":{"name":"pikepdf","ecosystem":"Ubuntu:25.10","purl":"pkg:deb/ubuntu/pikepdf?arch=source&distro=questing"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["9.5.2+dfsg-1build2"],"ecosystem_specific":{"binaries":[{"binary_name":"python3-pikepdf","binary_version":"9.5.2+dfsg-1build2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-29421.json"}},{"package":{"name":"pikepdf","ecosystem":"Ubuntu:26.04:LTS","purl":"pkg:deb/ubuntu/pikepdf?arch=source&distro=resolute"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["9.5.2+dfsg-1build2","9.5.2+dfsg-1build3","10.2.0+dfsg-1","10.3.0+dfsg-1","10.3.0+dfsg-1build1"],"ecosystem_specific":{"binaries":[{"binary_version":"10.3.0+dfsg-1build1","binary_name":"python3-pikepdf"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2021/UBUNTU-CVE-2021-29421.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N"},{"type":"Ubuntu","score":"medium"}]}