CVE-2026-57053

{"id": "CVE-2026-57053", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-57053", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-06-23T17:40:08.293205Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "cve@mitre.org", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 4.0, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L", "integrityImpact": "LOW", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "LOW", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 2.5, "exploitabilityScore": 1.4}]}, "affected": [{"source": "cve@mitre.org", "affectedData": [{"vendor": "GNU", "product": "libidn", "versions": [{"status": "affected", "version": "0", "lessThan": "1.44", "versionType": "custom"}], "defaultStatus": "unaffected"}]}], "published": "2026-06-23T18:18:10.827", "references": [{"url": "https://lists.gnu.org/archive/html/help-libidn/2026-05/msg00000.html", "source": "cve@mitre.org"}, {"url": "https://lists.gnu.org/archive/html/help-libidn/2026-06/msg00001.html", "source": "cve@mitre.org"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Primary", "source": "cve@mitre.org", "description": [{"lang": "en", "value": "CWE-1284"}]}], "descriptions": [{"lang": "en", "value": "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."}], "lastModified": "2026-06-25T20:16:05.473", "sourceIdentifier": "cve@mitre.org"}