CVE-2026-57053_CVE-2026-57053

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MEDIUM

CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L

Description

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.

Basic Information

ID CVE-2026-57053

Source mitre

Published Jun 23, 2026 at 16:40

Modified Jun 23, 2026 at 17:40

Affected Product

Vendor GNU

Product libidn

Affected Versions GNU libidn 0

CWE Classification

CWE-1284

References

{
    "lastseen": "",
    "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": "2026-06-23T16:40:22.947Z",
    "modified": "2026-06-23T17:40:14.173Z",
    "type": "cve",
    "title": "CVE-2026-57053",
    "source": "mitre",
    "references": "https://lists.gnu.org/archive/html/help-libidn/2026-06/msg00001.html\nhttps://lists.gnu.org/archive/html/help-libidn/2026-05/msg00000.html",
    "id": "CVE-2026-57053",
    "bulletinFamily": "",
    "cwe": [
        "CWE-1284"
    ],
    "cvelist": null,
    "sourceData": "GNU libidn 0",
    "sourceHref": "",
    "cvss": {
        "score": 4,
        "severity": "MEDIUM",
        "vector": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:L",
        "version": "3.1"
    },
    "cvss2": [],
    "cvss3": {
        "version": "",
        "vectorString": "",
        "baseScore": 0,
        "baseSeverity": "",
        "attackVector": "",
        "attackComplexity": "",
        "privilegesRequired": "",
        "userInteraction": "",
        "scope": "",
        "confidentialityImpact": "",
        "integrityImpact": "",
        "availabilityImpact": "",
        "cvssV3": {
            "version": "",
            "vectorString": "",
            "baseScore": 0,
            "baseSeverity": "",
            "attackVector": "",
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            "privilegesRequired": "",
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            "confidentialityImpact": "",
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            "availabilityImpact": ""
        }
    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "libidn",
    "version": "0",
    "vendor": "GNU",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
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    "ai_version": "",
    "ai_score": 0
}