{"id":"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.","aliases":["GHSA-ccgm-3xw4-h5p8","PYSEC-2021-34"],"modified":"2026-04-16T04:30:47.247079669Z","published":"2021-04-01T20:15:12.453Z","related":["openSUSE-SU-2024:11250-1","openSUSE-SU-2024:13864-1"],"references":[{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/36P4HTLBJPO524WMQWW57N3QRF4RFSJG/"},{"type":"WEB","url":"https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3QFLBBYGEDNXJ7FS6PIWTVI4T4BUPGEQ/"},{"type":"ADVISORY","url":"https://github.com/pikepdf/pikepdf/blob/v2.10.0/docs/release_notes.rst#v2100"},{"type":"FIX","url":"https://github.com/pikepdf/pikepdf/commit/3f38f73218e5e782fe411ccbb3b44a793c0b343a"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/pikepdf/pikepdf","events":[{"introduced":"bee05ea954c25b487e9b0465f440baadca8dae4c"},{"last_affected":"a4980714a5e055d479a23cc90cdc8cce40a13237"},{"fixed":"3f38f73218e5e782fe411ccbb3b44a793c0b343a"}],"database_specific":{"versions":[{"introduced":"1.3.0"},{"last_affected":"2.9.2"}]}}],"versions":["v1.10.0","v1.10.1","v1.10.2","v1.10.3","v1.10.4","v1.11.0","v1.11.1","v1.11.2","v1.12.0","v1.13.0","v1.14.0","v1.15.0","v1.15.1","v1.16.0","v1.16.1","v1.17.0","v1.17.1","v1.17.2","v1.17.3","v1.18.0","v1.19.0","v1.19.1","v1.19.2","v1.19.3","v1.3.0","v1.3.1","v1.4.0","v1.5.0","v1.5.0.post0","v1.6.0","v1.6.1","v1.6.2","v1.6.3","v1.6.4","v1.6.5","v1.7.0","v1.7.0rc1","v1.7.0rc2","v1.7.1","v1.8.0","v1.8.1","v1.8.2","v1.8.3","v1.9.0","v2.0.0","v2.0.0b1","v2.0.0b2","v2.1.0","v2.1.1","v2.1.2","v2.2.0","v2.2.1","v2.2.2","v2.2.3","v2.2.4","v2.2.5","v2.3.0","v2.4.0","v2.5.0","v2.5.1","v2.5.2","v2.6.0","v2.7.0","v2.8.0","v2.8.0.post1","v2.9.0","v2.9.1","v2.9.2"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-29421.json","unresolved_ranges":[{"events":[{"introduced":"0"},{"last_affected":"32"}]},{"events":[{"introduced":"0"},{"last_affected":"33"}]}]}}],"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"}]}