{"id":"CVE-2026-58012","aliases":[],"url":"https://o3.security/vulnerability/CVE-2026-58012","summary":"Glib: buffer over-read in g_regex_replace() via glib/gregex.c:string_append() and g_utf8_next_char()","details":"A flaw was found in GLib. A buffer over-read can occur in the g_regex_replace function when used with the `G_REGEX_RAW` compile flag and case-change replacement escapes because the string_append function processes matched substrings using UTF-8 functions that assume valid UTF-8 input, even when the string is treated as raw bytes. This vulnerability can cause a minor information disclosure of 1-5 bytes and a denial of service when the buffer over-read crosses a page boundary.","published":"2026-06-30T12:57:21.859Z","modified":"2026-11-12T02:30:44.316871319Z","cvss":{"score":6.5,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[],"fix":null,"references":[{"type":"WEB","url":"https://access.redhat.com/downloads/content/package-browser/"},{"type":"WEB","url":"https://catalog.redhat.com/software/containers/"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:49512"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:55440"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:57015"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:58981"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:61766"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:61783"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:63135"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:63138"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:63140"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:65762"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:65763"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:65767"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:65768"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:65769"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:65770"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:65771"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:65773"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:66018"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:72394"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:72395"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:72399"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:72470"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:72475"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:72476"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:72502"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:73859"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:73909"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:73929"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:73930"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:73959"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:73960"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:73961"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:73962"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:74458"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:74459"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:74460"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:74461"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:74462"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:74463"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:74674"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:74677"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:74678"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:74679"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:74681"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:74683"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:74685"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:74687"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:74688"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:74771"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:75652"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:75654"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:75655"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:75657"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:75658"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:75659"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:75660"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:76042"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:80769"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2026:80771"},{"type":"ADVISORY",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