{"id":"ALSA-2026:55440","summary":"Moderate: glib2 security 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: buffer over-read in glib/gvariant-serialiser.c via gvs_tuple_is_normal() (CVE-2026-58010)\n  * glib: out-of-bounds read in glib/gdatetime.c:g_date_time_get_ymd via invalid GDateTime (CVE-2026-58011)\n  * glib: buffer over-read in g_regex_replace() via glib/gregex.c:string_append() and g_utf8_next_char() (CVE-2026-58012)\n  * glib: buffer over-read in glib/giochannel.c via \"g_io_channel_read_line_backend\" (CVE-2026-58013)\n  * glib: off-by-one error in glib/gkeyfile.c via \"g_key_file_get_locale_string_list\" (CVE-2026-58014)\n  * glib: path traversal in glib/gio/gdbusauthmechanismsha1.c via keyring_lookup_entry and mechanism_client_data_receive (CVE-2026-58015)\n  * GDBusServer: glib2: GDBusServer pre-authentication DoS via unbounded SASL line buffering (CVE-2026-15588)\n\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","modified":"2026-08-18T13:27:11.604379844Z","published":"2026-08-17T00:00:00Z","related":["CVE-2026-15588","CVE-2026-58010","CVE-2026-58011","CVE-2026-58012","CVE-2026-58013","CVE-2026-58014","CVE-2026-58015"],"references":[{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:55440"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-15588"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-58010"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-58011"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-58012"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-58013"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-58014"},{"type":"REPORT","url":"https://access.redhat.com/security/cve/CVE-2026-58015"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2492243"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2492245"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2492247"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2492248"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2492255"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2492256"},{"type":"REPORT","url":"https://bugzilla.redhat.com/2499675"},{"type":"ADVISORY","url":"https://errata.almalinux.org/9/ALSA-2026-55440.html"}],"affected":[{"package":{"name":"glib2","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/glib2"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.68.4-19.el9_8.9"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:55440.json"}},{"package":{"name":"glib2-devel","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/glib2-devel"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.68.4-19.el9_8.9"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:55440.json"}},{"package":{"name":"glib2-doc","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/glib2-doc"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.68.4-19.el9_8.9"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:55440.json"}},{"package":{"name":"glib2-static","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/glib2-static"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.68.4-19.el9_8.9"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:55440.json"}},{"package":{"name":"glib2-tests","ecosystem":"AlmaLinux:9","purl":"pkg:rpm/almalinux/glib2-tests"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.68.4-19.el9_8.9"}]}],"database_specific":{"source":"https://github.com/AlmaLinux/osv-database/blob/master/advisories/almalinux9/ALSA-2026:55440.json"}}],"schema_version":"1.9.0"}