CVE-2026-41989
Full vulnerability record from the local CVENow database.
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.
Severity
MEDIUM
CVSS score
6.7
(v3.1)
Vulnerability status
Modified
Source identifier
Published
2026-04-23 05:16:05.750000
Last modified
2026-10-26 21:10:00.170000
View original CVE JSON
{
"id": "CVE-2026-41989",
"sourceIdentifier": "[email protected]",
"published": "2026-04-23T05:16:05.750",
"lastModified": "2026-10-26T21:10:00.170",
"vulnStatus": "Modified",
"cveTags": [],
"descriptions": [
{
"lang": "en",
"value": "Libgcrypt before 1.12.2 sometimes allows a heap-based buffer overflow and denial of service via crafted ECDH ciphertext to gcry_pk_decrypt."
},
{
"lang": "es",
"value": "Libgcrypt antes de 1.12.2 a veces permite un desbordamiento de búfer basado en montículo y denegación de servicio a través de texto cifrado ECDH manipulado a gcry_pk_decrypt."
}
],
"affected": [
{
"source": "[email protected]",
"affectedData": [
{
"vendor": "gnupg",
"product": "Libgcrypt",
"defaultStatus": "unaffected",
"versions": [
{
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"lessThan": "1.10.4",
"versionType": "semver",
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},
{
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"status": "affected"
},
{
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}
]
}
]
},
{
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{
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],
"metrics": {
"cvssMetricV31": [
{
"source": "[email protected]",
"type": "Secondary",
"cvssData": {
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"vectorString": "CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:N/I:H/A:H",
"baseScore": 6.7,
"baseSeverity": "MEDIUM",
"attackVector": "LOCAL",
"attackComplexity": "HIGH",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "NONE",
"integrityImpact": "HIGH",
"availabilityImpact": "HIGH"
},
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}
],
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"id": "CVE-2026-41989",
"options": [
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{
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"role": "CISA Coordinator",
"version": "2.0.3"
}
}
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},
"weaknesses": [
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"source": "[email protected]",
"type": "Secondary",
"description": [
{
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"value": "CWE-787"
}
]
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],
"configurations": [
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],
"references": [
{
"url": "https://dev.gnupg.org/T8211",
"source": "[email protected]",
"tags": [
"Broken Link"
]
},
{
"url": "https://lists.gnupg.org/pipermail/gnupg-announce/2026q2/000503.html",
"source": "[email protected]",
"tags": [
"Third Party Advisory"
]
},
{
"url": "https://www.openwall.com/lists/oss-security/2026/04/21/1",
"source": "[email protected]",
"tags": [
"Third Party Advisory"
]
},
{
"url": "https://cert-portal.siemens.com/productcert/html/ssa-019113.html",
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}