{"id":"RLSA-2023:2898","summary":"Moderate: libtar security update","details":"The libtar packages contain a C library for manipulating tar archives. The library supports both the strict POSIX tar format and many of the commonly used GNU extensions.\n\nSecurity Fix(es):\n\n* libtar: out-of-bounds read in gnu_longlink (CVE-2021-33643)\n\n* libtar: out-of-bounds read in gnu_longname (CVE-2021-33644)\n\n* libtar: memory leak found in th_read() function (CVE-2021-33645)\n\n* libtar: memory leak found in th_read() function (CVE-2021-33646)\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.\n\nAdditional Changes:\n\nFor detailed information on changes in this release, see the Rocky Linux 8.8 Release Notes linked from the References section.","modified":"2025-12-27T09:29:56.479725Z","published":"2025-12-27T09:04:03.511459Z","upstream":["CVE-2021-33643","CVE-2021-33644","CVE-2021-33645","CVE-2021-33646"],"references":[{"type":"ADVISORY","url":"https://errata.rockylinux.org/RLSA-2023:2898"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2121289"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2121292"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2121295"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2121297"}],"affected":[{"package":{"name":"libtar","ecosystem":"Rocky Linux:8","purl":"pkg:rpm/rocky-linux/libtar?distro=rocky-linux-8&epoch=0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:1.2.20-17.el8"}],"database_specific":{"yum_repository":"AppStream"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2023:2898.json"}}],"schema_version":"1.7.3","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"}]}