{"id":"RLSA-2021:2170","summary":"Important: glib2 security and bug fix update","details":"GLib provides the core application building blocks for libraries and applications written in C. It provides the core object system used in GNOME, the main loop implementation, and a large set of utility functions for strings and common data structures.\n\nSecurity Fix(es):\n\n* glib: integer overflow in g_bytes_new function on 64-bit platforms due to an implicit cast from 64 bits to 32 bits (CVE-2021-27219)\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\nBug Fix(es):\n\n* Refcounting issue causes crashes and slow workarounds (BZ#1953553)","modified":"2026-03-11T05:57:05.760915Z","published":"2021-06-01T09:04:25Z","upstream":["CVE-2021-27219"],"references":[{"type":"ADVISORY","url":"https://errata.rockylinux.org/RLSA-2021:2170"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1929858"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1953553"}],"affected":[{"package":{"name":"glib2","ecosystem":"Rocky Linux:8","purl":"pkg:rpm/rocky-linux/glib2?distro=rocky-linux-8-4-legacy&epoch=0"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"0:2.56.4-10.el8_4"}],"database_specific":{"yum_repository":"BaseOS"}}],"database_specific":{"source":"https://storage.googleapis.com/resf-osv-data/RLSA-2021:2170.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:H/I:H/A:H"}],"credits":[{"name":"Rocky Enterprise Software Foundation"},{"name":"Red Hat"}]}