{
  "cveId": "CVE-2026-57053",
  "url": "https://patchblox.com/security/cve/CVE-2026-57053",
  "summary": "CVE-2026-57053 is fixed in 15 products on 1 platform, first by idn 1.43-2ubuntu0.26.04.1, released June 23, 2026. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "libidn: GNU libidn before 1.44 is prone to out-of-bounds reads of\u00A0uninitialized memory in the ToUnicode APIs because of misha...",
  "description": "GNU libidn before 1.44 is prone to out-of-bounds reads of\u00A0uninitialized memory in the ToUnicode APIs because of mishandling in\u00A0idna_to_unicode_internal. The affected code is not present in libidn2.",
  "published": "2026-06-23T11:18:00Z",
  "severity": "low",
  "cvss": 2.5,
  "cvssVector": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:N",
  "epss": 0.00139,
  "epssPercentile": 0.03306,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "idn",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "1.38-4ubuntu1.1",
      "fix": "idn 1.38-4ubuntu1.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-idn-1.38-4ubuntu1.1",
      "released": "2026-07-10T15:54:23Z"
    },
    {
      "platform": "linux",
      "product": "idn",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "1.42-1ubuntu0.1",
      "fix": "idn 1.42-1ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-idn-1.42-1ubuntu0.1",
      "released": "2026-07-10T15:54:26Z"
    },
    {
      "platform": "linux",
      "product": "idn",
      "release": "Ubuntu 26.04.1 LTS (resolute)",
      "fixedVersion": "1.43-2ubuntu0.26.04.1",
      "fix": "idn 1.43-2ubuntu0.26.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-idn-1.43-2ubuntu0.26.04.1",
      "released": "2026-06-23T11:18:00Z"
    },
    {
      "platform": "linux",
      "product": "libidn",
      "release": "Debian 14",
      "fixedVersion": "1.44-1",
      "fix": "DEBIAN-CVE-2026-57053",
      "url": "https://patchblox.com/security/fix/linux/debian-cve-2026-57053",
      "released": "2026-06-24T14:07:24Z"
    },
    {
      "platform": "linux",
      "product": "libidn",
      "release": "Fedora 43",
      "fixedVersion": "1.44-1.fc43",
      "fix": "FEDORA-2026-ACF66846EE",
      "url": "https://patchblox.com/security/fix/linux/fedora-2026-acf66846ee",
      "released": "2026-08-03T09:34:15Z"
    },
    {
      "platform": "linux",
      "product": "libidn",
      "release": "opensuse-leap 16.0",
      "fixedVersion": "1.43-160000.3.1",
      "fix": "OPENSUSE-SU-2026:21758-1",
      "url": "https://patchblox.com/security/fix/linux/opensuse-su-2026-21758-1",
      "released": "2026-09-04T07:32:32Z"
    },
    {
      "platform": "linux",
      "product": "libidn",
      "release": "sles 15.7",
      "fixedVersion": "1.34-150000.3.5.1",
      "fix": "SUSE-SU-2026:4000-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-4000-1",
      "released": "2026-09-07T07:25:01Z"
    },
    {
      "platform": "linux",
      "product": "libidn",
      "release": "sles 16.0",
      "fixedVersion": "1.43-160000.3.1",
      "fix": "SUSE-SU-2026:23621-1",
      "url": "https://patchblox.com/security/fix/linux/suse-su-2026-23621-1",
      "released": "2026-09-04T07:29:51Z"
    },
    {
      "platform": "linux",
      "product": "libidn-debuginfo",
      "release": "Fedora 43",
      "fixedVersion": "1.44-1.fc43",
      "fix": "FEDORA-2026-ACF66846EE",
      "url": "https://patchblox.com/security/fix/linux/fedora-2026-acf66846ee",
      "released": "2026-08-03T09:34:15Z"
    },
    {
      "platform": "linux",
      "product": "libidn-debugsource",
      "release": "Fedora 43",
      "fixedVersion": "1.44-1.fc43",
      "fix": "FEDORA-2026-ACF66846EE",
      "url": "https://patchblox.com/security/fix/linux/fedora-2026-acf66846ee",
      "released": "2026-08-03T09:34:15Z"
    },
    {
      "platform": "linux",
      "product": "libidn-devel",
      "release": "Fedora 43",
      "fixedVersion": "1.44-1.fc43",
      "fix": "FEDORA-2026-ACF66846EE",
      "url": "https://patchblox.com/security/fix/linux/fedora-2026-acf66846ee",
      "released": "2026-08-03T09:34:15Z"
    },
    {
      "platform": "linux",
      "product": "libidn-java",
      "release": "Fedora 43",
      "fixedVersion": "1.44-1.fc43",
      "fix": "FEDORA-2026-ACF66846EE",
      "url": "https://patchblox.com/security/fix/linux/fedora-2026-acf66846ee",
      "released": "2026-08-03T09:34:15Z"
    },
    {
      "platform": "linux",
      "product": "libidn-javadoc",
      "release": "Fedora 43",
      "fixedVersion": "1.44-1.fc43",
      "fix": "FEDORA-2026-ACF66846EE",
      "url": "https://patchblox.com/security/fix/linux/fedora-2026-acf66846ee",
      "released": "2026-08-03T09:34:15Z"
    },
    {
      "platform": "linux",
      "product": "libidn12",
      "release": "Ubuntu 22.04.1 LTS (jammy)",
      "fixedVersion": "1.38-4ubuntu1.1",
      "fix": "libidn12 1.38-4ubuntu1.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-jammy-libidn12-1.38-4ubuntu1.1",
      "released": "2026-07-10T15:54:23Z"
    },
    {
      "platform": "linux",
      "product": "libidn12",
      "release": "Ubuntu 24.04.5 LTS (noble)",
      "fixedVersion": "1.42-1ubuntu0.1",
      "fix": "libidn12 1.42-1ubuntu0.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-noble-libidn12-1.42-1ubuntu0.1",
      "released": "2026-07-10T15:54:26Z"
    },
    {
      "platform": "linux",
      "product": "libidn12",
      "release": "Ubuntu 26.04.1 LTS (resolute)",
      "fixedVersion": "1.43-2ubuntu0.26.04.1",
      "fix": "libidn12 1.43-2ubuntu0.26.04.1",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-resolute-libidn12-1.43-2ubuntu0.26.04.1",
      "released": "2026-06-23T11:18:00Z"
    },
    {
      "platform": "linux",
      "product": "mingw-libidn",
      "release": "Fedora 43",
      "fixedVersion": "1.44-1.fc43",
      "fix": "FEDORA-2026-7DDAFB24A3",
      "url": "https://patchblox.com/security/fix/linux/fedora-2026-7ddafb24a3",
      "released": "2026-08-02T10:26:53Z"
    },
    {
      "platform": "linux",
      "product": "mingw32-libidn",
      "release": "Fedora 43",
      "fixedVersion": "1.44-1.fc43",
      "fix": "FEDORA-2026-7DDAFB24A3",
      "url": "https://patchblox.com/security/fix/linux/fedora-2026-7ddafb24a3",
      "released": "2026-08-02T10:26:53Z"
    },
    {
      "platform": "linux",
      "product": "mingw32-libidn-debuginfo",
      "release": "Fedora 43",
      "fixedVersion": "1.44-1.fc43",
      "fix": "FEDORA-2026-7DDAFB24A3",
      "url": "https://patchblox.com/security/fix/linux/fedora-2026-7ddafb24a3",
      "released": "2026-08-02T10:26:53Z"
    },
    {
      "platform": "linux",
      "product": "mingw32-libidn-static",
      "release": "Fedora 43",
      "fixedVersion": "1.44-1.fc43",
      "fix": "FEDORA-2026-7DDAFB24A3",
      "url": "https://patchblox.com/security/fix/linux/fedora-2026-7ddafb24a3",
      "released": "2026-08-02T10:26:53Z"
    },
    {
      "platform": "linux",
      "product": "mingw64-libidn",
      "release": "Fedora 43",
      "fixedVersion": "1.44-1.fc43",
      "fix": "FEDORA-2026-7DDAFB24A3",
      "url": "https://patchblox.com/security/fix/linux/fedora-2026-7ddafb24a3",
      "released": "2026-08-02T10:26:53Z"
    },
    {
      "platform": "linux",
      "product": "mingw64-libidn-debuginfo",
      "release": "Fedora 43",
      "fixedVersion": "1.44-1.fc43",
      "fix": "FEDORA-2026-7DDAFB24A3",
      "url": "https://patchblox.com/security/fix/linux/fedora-2026-7ddafb24a3",
      "released": "2026-08-02T10:26:53Z"
    },
    {
      "platform": "linux",
      "product": "mingw64-libidn-static",
      "release": "Fedora 43",
      "fixedVersion": "1.44-1.fc43",
      "fix": "FEDORA-2026-7DDAFB24A3",
      "url": "https://patchblox.com/security/fix/linux/fedora-2026-7ddafb24a3",
      "released": "2026-08-02T10:26:53Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T19:12:23Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}