{
  "schema_version": "1.7.0",
  "id": "MGASA-2026-0262",
  "published": "2026-07-18T18:27:11Z",
  "modified": "2026-07-18T17:27:52Z",
  "summary": "Updated libidn packages fix security vulnerability",
  "details": "GNU libidn before 1.44 is prone to out-of-bounds reads of uninitialized\nmemory in the ToUnicode APIs because of mishandling in\nidna_to_unicode_internal. The affected code is not present in libidn2.\n(CVE-2026-57053)\n",
  "upstream": [
    "CVE-2026-57053"
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://advisories.mageia.org/MGASA-2026-0262.html"
    },
    {
      "type": "REPORT",
      "url": "https://bugs.mageia.org/show_bug.cgi?id=35726"
    },
    {
      "type": "WEB",
      "url": "http://www.slackware.com/security/viewer.php?l=slackware-security&y=2026&m=slackware-security.355846"
    },
    {
      "type": "WEB",
      "url": "https://lists.gnu.org/archive/html/help-libidn/2026-05/msg00000.html"
    },
    {
      "type": "WEB",
      "url": "https://lists.gnu.org/archive/html/help-libidn/2025-06/msg00000.html"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-8521-1"
    }
  ],
  "affected": [
    {
      "package": {
        "ecosystem": "Mageia:10",
        "name": "libidn",
        "purl": "pkg:rpm/mageia/libidn?arch=source&distro=mageia-10"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.43-2.1.mga10"
            }
          ]
        }
      ],
      "ecosystem_specific": {
        "section": "core"
      }
    },
    {
      "package": {
        "ecosystem": "Mageia:9",
        "name": "libidn",
        "purl": "pkg:rpm/mageia/libidn?arch=source&distro=mageia-9"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.41-2.1.mga9"
            }
          ]
        }
      ],
      "ecosystem_specific": {
        "section": "core"
      }
    }
  ],
  "credits": [
    {
      "name": "Mageia",
      "type": "COORDINATOR",
      "contact": [
        "https://wiki.mageia.org/en/Packages_Security_Team"
      ]
    }
  ]
}