{"id":"RHSA-2025:21506","summary":"Red Hat Security Advisory: libtiff security update","modified":"2026-03-18T11:39:16.283464Z","published":"2025-11-18T10:11:14Z","upstream":["CVE-2025-9900"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2025:21506"},{"type":"ARTICLE","url":"https://access.redhat.com/security/updates/classification/#important"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2392784"},{"type":"ADVISORY","url":"https://security.access.redhat.com/data/csaf/v2/advisories/2025/rhsa-2025_21506.json"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2025-9900"},{"type":"ADVISORY","url":"https://www.cve.org/CVERecord?id=CVE-2025-9900"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2025-9900"},{"type":"ARTICLE","url":"https://github.com/SexyShoelessGodofWar/LibTiff-4.7.0-Write-What-Where?tab=readme-ov-file"},{"type":"ARTICLE","url":"https://gitlab.com/libtiff/libtiff/-/issues/704"},{"type":"ARTICLE","url":"https://gitlab.com/libtiff/libtiff/-/merge_requests/732"},{"type":"ARTICLE","url":"https://libtiff.gitlab.io/libtiff/releases/v4.7.1.html"}],"affected":[{"package":{"name":"libtiff","ecosystem":"Red Hat:rhel_e4s:9.0::appstream","purl":"pkg:rpm/redhat/libtiff"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.2.0-3.el9_0.2"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2025:21506.json"}},{"package":{"name":"libtiff-debuginfo","ecosystem":"Red Hat:rhel_e4s:9.0::appstream","purl":"pkg:rpm/redhat/libtiff-debuginfo"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.2.0-3.el9_0.2"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2025:21506.json"}},{"package":{"name":"libtiff-debugsource","ecosystem":"Red Hat:rhel_e4s:9.0::appstream","purl":"pkg:rpm/redhat/libtiff-debugsource"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.2.0-3.el9_0.2"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2025:21506.json"}},{"package":{"name":"libtiff-devel","ecosystem":"Red Hat:rhel_e4s:9.0::appstream","purl":"pkg:rpm/redhat/libtiff-devel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.2.0-3.el9_0.2"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2025:21506.json"}},{"package":{"name":"libtiff-tools-debuginfo","ecosystem":"Red Hat:rhel_e4s:9.0::appstream","purl":"pkg:rpm/redhat/libtiff-tools-debuginfo"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:4.2.0-3.el9_0.2"}]}],"database_specific":{"source":"https://security.access.redhat.com/data/osv/RHSA-2025:21506.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"}]}