{"schema_version": "1.7.0", "id": "RLSA-2026:42668", "modified": "2026-07-22T12:07:42.102484Z", "published": "2026-07-22T12:03:41.844500Z", "upstream": ["CVE-2026-12912"], "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: Heap-based buffer overflow via crafted PixarLog-compressed TIFF image (CVE-2026-12912)\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:L/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": "0:4.4.0-18.el9_8.1"}], "database_specific": {"yum_repository": "AppStream"}}]}], "references": [{"type": "ADVISORY", "url": "https://errata.rockylinux.org/RLSA-2026:42668"}, {"type": "REPORT", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2492871"}], "credits": [{"name": "Rocky Enterprise Software Foundation"}, {"name": "Red Hat"}]}