CVE-2026-57053

{
  "id": "CVE-2026-57053",
  "sourceIdentifier": "[email protected]",
  "published": "2026-06-23T18:18:10.827",
  "lastModified": "2026-10-25T23:10:00.167",
  "vulnStatus": "Analyzed",
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "GNU libidn before 1.44 is prone to out-of-bounds reads of uninitialized memory in the ToUnicode APIs because of mishandling in idna_to_unicode_internal. The affected code is not present in libidn2."
    },
    {
      "lang": "es",
      "value": "GNU libidn anterior a 1.44 es propenso a lecturas fuera de límites de memoria no inicializada en las API ToUnicode debido a un manejo incorrecto en idna_to_unicode_internal. El código afectado no está presente en libidn2."
    }
  ],
  "affected": [
    {
      "source": "[email protected]",
      "affectedData": [
        {
          "vendor": "GNU",
          "product": "libidn",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "0",
              "lessThan": "1.44",
              "versionType": "custom",
              "status": "affected"
            }
          ]
        }
      ]
    }
  ],
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        "source": "[email protected]",
        "type": "Secondary",
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          "baseScore": 4.0,
          "baseSeverity": "MEDIUM",
          "attackVector": "LOCAL",
          "attackComplexity": "HIGH",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "LOW",
          "availabilityImpact": "LOW"
        },
        "exploitabilityScore": 1.4,
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      },
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          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "LOW",
          "availabilityImpact": "NONE"
        },
        "exploitabilityScore": 1.0,
        "impactScore": 1.4
      }
    ],
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        "ssvcData": {
          "timestamp": "2026-06-23T17:40:08.293205Z",
          "id": "CVE-2026-57053",
          "options": [
            {
              "exploitation": "none"
            },
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              "technicalImpact": "partial"
            }
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  "weaknesses": [
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      "source": "[email protected]",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-1284"
        }
      ]
    },
    {
      "source": "[email protected]",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-1284"
        }
      ]
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  "references": [
    {
      "url": "https://lists.gnu.org/archive/html/help-libidn/2026-05/msg00000.html",
      "source": "[email protected]",
      "tags": [
        "Exploit",
        "Mailing List"
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}