{"id":"CVE-2025-4373","url":"https://www.cyber-defence.io/tools/cve/CVE-2025-4373","generatedAt":"2026-10-27T23:58:13.490Z","title":"A flaw was found in GLib, which is vulnerable to an integer overflow in the g_string_insert_unichar() function.","description":"A flaw was found in GLib, which is vulnerable to an integer overflow in the g_string_insert_unichar() function. When the position at which to insert the character is large, the position will overflow, leading to a buffer underwrite.","published":"2025-05-06T15:16:05.000Z","lastModified":"2026-09-21T18:17:06.000Z","status":"Deferred","sourceIdentifier":"secalert@redhat.com","cvss":{"version":"3.1","score":4.8,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L"},"cwe":["CWE-124"],"affected":[],"epss":{"score":0.00636,"percentile":0.50193,"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":"low","text":"Lower severity and a low EPSS score (0.64%). Track it; it rarely justifies an emergency change on its own."},"changes":[],"references":[{"url":"https://access.redhat.com/errata/RHSA-2025:10855","source":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2025:11140","source":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2025:11327","source":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2025:11373","source":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2025:11374","source":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2025:11662","source":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2025:12275","source":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2025:13335","source":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2025:14988","source":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2025:14989","source":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2025:14990","source":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2025:14991","source":"secalert@redhat.com"},{"url":"https://access.redhat.com/security/cve/CVE-2025-4373","source":"secalert@redhat.com"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2364265","source":"secalert@redhat.com"},{"url":"https://gitlab.gnome.org/GNOME/glib/-/issues/3677","source":"secalert@redhat.com"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-082556.html","source":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"},{"url":"https://cert-portal.siemens.com/productcert/html/ssa-089022.html","source":"0b142b55-0307-4c5a-b3c9-f314f3fb7c5e"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2025-4373","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."}