{"id":"DEBIAN-CVE-2026-4360","details":"In the Tarfile.extract() function, the filter parameter is not passed properly when extracting hardlinks. An affected system that extracts content from untrusted tar files could end up writing files with an unexpected uid/gid despite the user passing filter='data' to the extract() function.","modified":"2026-09-26T10:00:07.907277694Z","published":"2026-06-30T15:16:57.193Z","upstream":["CVE-2026-4360"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2026-4360"}],"affected":[{"package":{"name":"pypy3","ecosystem":"Debian:13","purl":"pkg:deb/debian/pypy3?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["7.3.19+dfsg-2","7.3.20+dfsg-1","7.3.20+dfsg-2","7.3.20+dfsg-3","7.3.20+dfsg-4","7.3.21+dfsg-1","7.3.21+dfsg-2","7.3.21+dfsg-3","7.3.21+dfsg-4","7.3.22+dfsg-1","7.3.23+dfsg-1","7.3.23+dfsg-2","8.0.0+dfsg-1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2026-4360.json"}},{"package":{"name":"pypy3","ecosystem":"Debian:14","purl":"pkg:deb/debian/pypy3?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"8.0.0+dfsg-1"}]}],"versions":["7.3.19+dfsg-2","7.3.20+dfsg-1","7.3.20+dfsg-2","7.3.20+dfsg-3","7.3.20+dfsg-4","7.3.21+dfsg-1","7.3.21+dfsg-2","7.3.21+dfsg-3","7.3.21+dfsg-4","7.3.22+dfsg-1","7.3.23+dfsg-1","7.3.23+dfsg-2"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2026-4360.json"}},{"package":{"name":"python3.13","ecosystem":"Debian:13","purl":"pkg:deb/debian/python3.13?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.13.5-2+deb13u5"}]}],"versions":["3.13.5-2","3.13.5-2+deb13u1","3.13.5-2+deb13u2","3.13.5-2+deb13u3","3.13.5-2+deb13u4"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2026-4360.json"}},{"package":{"name":"python3.13","ecosystem":"Debian:14","purl":"pkg:deb/debian/python3.13?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.13.15-1"}]}],"versions":["3.13.11-1","3.13.12-1","3.13.14-1","3.13.5-2","3.13.6-1","3.13.7-1","3.13.8-1","3.13.9-1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2026-4360.json"}},{"package":{"name":"python3.14","ecosystem":"Debian:14","purl":"pkg:deb/debian/python3.14?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"3.14.7-1"}]}],"versions":["3.14.0-1","3.14.0-2","3.14.0-3","3.14.0-4","3.14.0-5","3.14.0~a7-1","3.14.0~b1-1","3.14.0~b2-1","3.14.0~b3-1","3.14.0~b4-1","3.14.0~rc1-1","3.14.0~rc2-1","3.14.0~rc3-1","3.14.2-1","3.14.3-1","3.14.3-2","3.14.3-3","3.14.3-4","3.14.3-5","3.14.4-1","3.14.4-2","3.14.5-1","3.14.5~rc1-1","3.14.6-1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2026-4360.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:L/A:N"}]}