{"schema_version": "1.7.0", "id": "RLSA-2026:12271", "modified": "2026-05-01T12:08:55.818515Z", "published": "2026-05-01T12:03:36.366083Z", "upstream": ["CVE-2026-4775"], "summary": "Important: libtiff security update", "details": "The libtiff packages contain a library of functions for manipulating Tagged Image File Format (TIFF) files.\n\nSecurity Fix(es):\n\n* libtiff: libtiff: Arbitrary code execution or denial of service via signed integer overflow in TIFF file processing (CVE-2026-4775)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.", "severity": [{"type": "CVSS_V3", "score": "CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H"}], "affected": [{"package": {"ecosystem": "Rocky Linux:9", "name": "libtiff", "purl": "pkg:rpm/rocky-linux/libtiff?distro=rocky-linux-9&epoch=0"}, "ranges": [{"type": "ECOSYSTEM", "events": [{"introduced": "0"}, {"fixed": "0:4.4.0-15.el9_7.3"}], "database_specific": {"yum_repository": "AppStream"}}]}], "references": [{"type": "ADVISORY", "url": "https://errata.rockylinux.org/RLSA-2026:12271"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2450768"}], "credits": [{"name": "Rocky Enterprise Software Foundation"}, {"name": "Red Hat"}]}