CVE-2026-41989_CVE-2026-41989

6.7 / 10

MEDIUM

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

Description

Libgcrypt before 1.12.2 sometimes allows a heap-based buffer overflow and denial of service via crafted ECDH ciphertext to gcry_pk_decrypt.

Basic Information

ID CVE-2026-41989

Source mitre

Published Apr 23, 2026 at 04:30

Modified Apr 23, 2026 at 05:10

Affected Product

Vendor gnupg

Product Libgcrypt

Version 1.8.8

Affected Versions gnupg Libgcrypt 1.8.8
gnupg Libgcrypt 1.11.0
gnupg Libgcrypt 1.12.0

CWE Classification

CWE-787

References

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    "lastseen": "",
    "description": "Libgcrypt before 1.12.2 sometimes allows a heap-based buffer overflow and denial of service via crafted ECDH ciphertext to gcry_pk_decrypt.",
    "published": "2026-04-23T04:30:26.124Z",
    "modified": "2026-04-23T05:10:34.992Z",
    "type": "cve",
    "title": "CVE-2026-41989",
    "source": "mitre",
    "references": "https://lists.gnupg.org/pipermail/gnupg-announce/2026q2/000503.html\nhttps://dev.gnupg.org/T8211\nhttps://www.openwall.com/lists/oss-security/2026/04/21/1",
    "id": "CVE-2026-41989",
    "bulletinFamily": "",
    "cwe": [
        "CWE-787"
    ],
    "cvelist": null,
    "sourceData": "gnupg Libgcrypt 1.8.8\ngnupg Libgcrypt 1.11.0\ngnupg Libgcrypt 1.12.0",
    "sourceHref": "",
    "cvss": {
        "score": 6.7,
        "severity": "MEDIUM",
        "vector": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H",
        "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": "",
            "attackComplexity": "",
            "privilegesRequired": "",
            "userInteraction": "",
            "scope": "",
            "confidentialityImpact": "",
            "integrityImpact": "",
            "availabilityImpact": ""
        }
    },
    "href": "",
    "category_name": "CVE",
    "post_link": "",
    "product": "Libgcrypt",
    "version": "1.8.8",
    "vendor": "gnupg",
    "ai_description": "",
    "ai_severity": "",
    "ai_vendor": "",
    "ai_product": "",
    "ai_version": "",
    "ai_score": 0
}