{"id":"RLSA-2026:5080","summary":"Important: libarchive security update","details":"The libarchive programming library can create and read several different streaming archive formats, including GNU tar, cpio, and ISO 9660 CD-ROM images. Libarchive is used notably in the bsdtar utility, scripting language bindings such as python-libarchive, and several popular desktop file managers.\n\nSecurity Fix(es):\n\n* libarchive: Infinite Loop Denial of Service in RAR5 Decompression via archive_read_data() in libarchive (CVE-2026-4111)\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":"2026-03-26T18:30:15.413171Z","published":"2026-03-26T18:03:52.468416Z","upstream":["CVE-2026-4111"],"references":[{"type":"ADVISORY","url":"https://errata.rockylinux.org/RLSA-2026:5080"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2446453"}],"affected":[{"package":{"name":"libarchive","ecosystem":"Rocky Linux:9","purl":"pkg:rpm/rocky-linux/libarchive?distro=rocky-linux-9&epoch=0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:3.5.3-7.el9_7"}],"database_specific":{"yum_repository":"BaseOS"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2026:5080.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}],"credits":[{"name":"Rocky Enterprise Software Foundation"},{"name":"Red Hat"}]}