{"id":"RLSA-2026:55448","summary":"Important: libXfont2 security update","details":"X.Org X11 libXfont2 runtime library\n\nSecurity Fix(es):\n\n* libxfont2: Font Server Client encoding[] Out-Of-Bounds Read/Write (CVE-2026-59679)\n\n* libxfonts2: libXfont2: Privilege Escalation via Heap Buffer Overflow in Font Server Client (CVE-2026-44950)\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.","modified":"2026-08-17T18:30:03.408459317Z","published":"2026-08-17T18:06:54.076078Z","upstream":["CVE-2026-44950","CVE-2026-59679"],"database_specific":{"license":"CC-BY-4.0","license_url":"https://creativecommons.org/licenses/by/4.0/","source_advisory":"RHSA-2026:55448"},"references":[{"type":"ADVISORY","url":"https://errata.rockylinux.org/RLSA-2026:55448"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2509620"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2509622"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:55448"}],"affected":[{"package":{"name":"libXfont2","ecosystem":"Rocky Linux:10","purl":"pkg:rpm/rocky-linux/libXfont2?distro=rocky-linux-10&epoch=0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.0.6-5.el10_2.3"}],"database_specific":{"yum_repository":"AppStream"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2026:55448.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H"}],"credits":[{"name":"Rocky Enterprise Software Foundation"},{"name":"Red Hat"}]}