{"id":"CVE-2026-58016","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-58016","generatedAt":"2026-10-28T02:12:15.914Z","title":"This issue can cause an unsigned integer overflow and lead to an out-of-bounds read, resulting in a denial of service.","description":"A flaw was found in GLib. A state confusion issue exists in g_dbus_node_info_new_for_xml() in the gio/gdbusintrospection.c file when processing malformed D-Bus introspection XML, specifically with a `node` element nested within other elements like `method`, `signal`, `property` or `arg`. This issue can cause an unsigned integer overflow and lead to an out-of-bounds read, resulting in a denial of service.","published":"2026-06-30T13:19:18.000Z","lastModified":"2026-10-14T20:17:56.000Z","status":"Modified","sourceIdentifier":"secalert@redhat.com","cvss":{"version":"3.1","score":9.1,"severity":"CRITICAL","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H"},"cwe":["CWE-191"],"affected":["gnome/glib","redhat/enterprise linux"],"epss":{"score":0.00545,"percentile":0.4548,"date":"2026-10-26","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (0.55%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"https://access.redhat.com/errata/RHSA-2026:42063","source":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:42089","source":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:42090","source":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:44481","source":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:46836","source":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:49512","source":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:51175","source":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:51176","source":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:51177","source":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:51181","source":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:51182","source":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:51183","source":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:51184","source":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:51185","source":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:53371","source":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:58981","source":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:72394","source":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:72395","source":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:72399","source":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:72470","source":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:72475","source":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:72476","source":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:72502","source":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:73909","source":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:73959","source":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:73960","source":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:73961","source":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:73962","source":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:74458","source":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:74459","source":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:74460","source":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:74461","source":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:74462","source":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:74463","source":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:74674","source":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:82304","source":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:82322","source":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:82336","source":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:82347","source":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:82354","source":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:82372","source":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:82857","source":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:82888","source":"secalert@redhat.com"},{"url":"https://access.redhat.com/security/cve/CVE-2026-58016","tags":["Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2492257","tags":["Issue Tracking","Third Party Advisory"],"source":"secalert@redhat.com"},{"url":"https://gitlab.gnome.org/GNOME/glib/-/issues/3932","tags":["Exploit","Issue Tracking","Third Party Advisory"],"source":"secalert@redhat.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-58016","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}