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CVE-2026-58012 Glib: buffer over-read in g_regex_replace() via glib/gregex.c:string_append() and g_utf8_next_char()

🗓️ 30 Jun 2026 12:57:21Reported by redhatType 
cvelist
 cvelist
🔗 www.cve.org👁 4 Views

Glib g_regex_replace with G_REGEX_RAW causes a buffer over-read from case-change escapes, disclosing 1-5 bytes and denial of service.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB
CVE-2026-58012
30 Jun 202612:57
attackerkb
Circl
CVE-2026-58012
30 Jun 202614:21
circl
CVE
CVE-2026-58012
30 Jun 202612:57
cve
EUVD
EUVD-2026-40314
30 Jun 202612:57
euvd
NVD
CVE-2026-58012
30 Jun 202613:19
nvd
Positive Technologies
PT-2026-53871
30 Jun 202600:00
ptsecurity
Vulnrichment
CVE-2026-58012 Glib: buffer over-read in g_regex_replace() via glib/gregex.c:string_append() and g_utf8_next_char()
30 Jun 202612:57
vulnrichment
[
  {
    "vendor": "GNOME",
    "product": "GLib",
    "versions": [
      {
        "status": "affected",
        "version": "0",
        "lessThan": "2.86.5",
        "versionType": "semver"
      },
      {
        "status": "affected",
        "version": "0",
        "lessThan": "2.88.1",
        "versionType": "semver"
      }
    ],
    "packageName": "GLib",
    "collectionURL": "https://gitlab.gnome.org/GNOME/glib/",
    "defaultStatus": "unaffected"
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 10",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "glib2",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:10"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 10",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "mingw-glib2",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:10"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 6",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "glib2",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:6"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 7",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "glib2",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:7"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 8",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "glib2",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:8"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 8",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "mingw-glib2",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:8"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 9",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "glib2",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:9"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Enterprise Linux 9",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "mingw-glib2",
    "defaultStatus": "affected",
    "cpes": [
      "cpe:/o:redhat:enterprise_linux:9"
    ]
  },
  {
    "vendor": "Red Hat",
    "product": "Red Hat Hardened Images",
    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
    "packageName": "glib2",
    "defaultStatus": "unaffected",
    "cpes": [
      "cpe:/a:redhat:hummingbird:1"
    ]
  }
]

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