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glib2: Fix of 5 CVEs

Type: advisorySources: OSV

- CVE-2026-1489: fix integer overflow in Unicode case conversion functions - CVE-2026-1484: fix integer overflow in GLib Base64 encoding - CVE-2026-1485: fix buffer underflow in content type treemagic parsing - CVE-2026-0988: fix integer overflow in g_buffered_input_stream_peek() - CVE-2025-7039: fix integer overflow in temporary file creation

Products
glib2, glib2-devel, glib2-doc, glib2-static, glib2-tests
Affected versions
Not specified
Fixed versions
2.68.4-16.el9_6.3.tuxcare.els3
CVEs
CVE-2025-7039, CVE-2026-0988, CVE-2026-1484, CVE-2026-1485, CVE-2026-1489
Confirmed fixed CVEs
Not specified
Updated in this feed
31 Oct 2026, 13:53 UTC · Revision 1

Source evidence

glib2: Fix of 5 CVEs

core-osv · Original source

Published 15 Apr 2026, 23:18 UTC

- CVE-2026-1489: fix integer overflow in Unicode case conversion functions - CVE-2026-1484: fix integer overflow in GLib Base64 encoding - CVE-2026-1485: fix buffer underflow in content type treemagic parsing - CVE-2026-0988: fix integer overflow in g_buffered_input_stream_peek() - CVE-2025-7039: fix integer overflow in temporary file creation

osv:CLSA-2026-1776246056

glib2

Fixed versions: 2.68.4-16.el9_6.3.tuxcare.els3

glib2-devel

Fixed versions: 2.68.4-16.el9_6.3.tuxcare.els3

glib2-doc

Fixed versions: 2.68.4-16.el9_6.3.tuxcare.els3

glib2-static

Fixed versions: 2.68.4-16.el9_6.3.tuxcare.els3

glib2-tests

Fixed versions: 2.68.4-16.el9_6.3.tuxcare.els3

Complete source record
{
  "id": "1b21f8a433466bb0cece6aacb82ad70a159506494eddf707f9e3838712e8abad",
  "url": "https://osv.dev/vulnerability/CLSA-2026-1776246056",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "glib2: Fix of 5 CVEs",
    "summary": "- CVE-2026-1489: fix integer overflow in Unicode case conversion functions - CVE-2026-1484: fix integer overflow in GLib Base64 encoding - CVE-2026-1485: fix buffer underflow in content type treemagic parsing - CVE-2026-0988: fix integer overflow in g_buffered_input_stream_peek() - CVE-2025-7039: fix integer overflow in temporary file creation",
    "evidence": "osv:CLSA-2026-1776246056",
    "products": [
      {
        "name": {
          "value": "glib2",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2.68.4-16.el9_6.3.tuxcare.els3",
            "evidence": "/affected/0/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "glib2-devel",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2.68.4-16.el9_6.3.tuxcare.els3",
            "evidence": "/affected/1/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "glib2-doc",
          "evidence": "/affected/2/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2.68.4-16.el9_6.3.tuxcare.els3",
            "evidence": "/affected/2/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "glib2-static",
          "evidence": "/affected/3/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2.68.4-16.el9_6.3.tuxcare.els3",
            "evidence": "/affected/3/ranges"
          }
        ],
        "affected_versions": []
      },
      {
        "name": {
          "value": "glib2-tests",
          "evidence": "/affected/4/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [
          {
            "value": "2.68.4-16.el9_6.3.tuxcare.els3",
            "evidence": "/affected/4/ranges"
          }
        ],
        "affected_versions": []
      }
    ],
    "severity": "unknown",
    "structured": {
      "id": "CLSA-2026-1776246056",
      "aliases": [
        "CLSA-2026-1776246056"
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2.68.4-16.el9_6.3.tuxcare.els3"
                }
              ]
            }
          ],
          "package": {
            "name": "glib2",
            "purl": "pkg:rpm/tuxcare/glib2?distro=almalinux-9.6",
            "ecosystem": "TuxCare:AlmaLinux:9.6"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1776246056.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2.68.4-16.el9_6.3.tuxcare.els3"
                }
              ]
            }
          ],
          "package": {
            "name": "glib2-devel",
            "purl": "pkg:rpm/tuxcare/glib2-devel?distro=almalinux-9.6",
            "ecosystem": "TuxCare:AlmaLinux:9.6"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1776246056.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2.68.4-16.el9_6.3.tuxcare.els3"
                }
              ]
            }
          ],
          "package": {
            "name": "glib2-doc",
            "purl": "pkg:rpm/tuxcare/glib2-doc?distro=almalinux-9.6",
            "ecosystem": "TuxCare:AlmaLinux:9.6"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1776246056.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2.68.4-16.el9_6.3.tuxcare.els3"
                }
              ]
            }
          ],
          "package": {
            "name": "glib2-static",
            "purl": "pkg:rpm/tuxcare/glib2-static?distro=almalinux-9.6",
            "ecosystem": "TuxCare:AlmaLinux:9.6"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1776246056.json"
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "2.68.4-16.el9_6.3.tuxcare.els3"
                }
              ]
            }
          ],
          "package": {
            "name": "glib2-tests",
            "purl": "pkg:rpm/tuxcare/glib2-tests?distro=almalinux-9.6",
            "ecosystem": "TuxCare:AlmaLinux:9.6"
          },
          "database_specific": {
            "source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/almalinux9.6esu/CLSA-2026-1776246056.json"
          }
        }
      ],
      "modified": "2026-10-21T10:47:29.046209061Z",
      "provider": "osv",
      "upstream": [
        "CVE-2025-7039",
        "CVE-2026-0988",
        "CVE-2026-1484",
        "CVE-2026-1485",
        "CVE-2026-1489"
      ],
      "references": [
        "https://errata.tuxcare.com/els_os/tuxcare9.6esu/CLSA-2026-1776246056.html"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2025-7039",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-0988",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-1484",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-1485",
        "evidence": "/upstream"
      },
      {
        "value": "CVE-2026-1489",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": null
  },
  "source_id": "core-osv",
  "document_id": 392350,
  "published_at": "2026-04-15T23:18:17+00:00"
}