223 lines
8.6 KiB
JSON
223 lines
8.6 KiB
JSON
{
|
|
"dataType": "CVE_RECORD",
|
|
"dataVersion": "5.2",
|
|
"cveMetadata": {
|
|
"cveId": "CVE-2026-59842",
|
|
"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
|
|
"state": "PUBLISHED",
|
|
"assignerShortName": "redhat",
|
|
"dateReserved": "2026-07-07T15:40:24.560Z",
|
|
"datePublished": "2026-07-21T11:08:30.540Z",
|
|
"dateUpdated": "2026-11-06T19:28:48.423Z"
|
|
},
|
|
"containers": {
|
|
"cna": {
|
|
"title": "Libssh: libssh: information disclosure via short gssapi curve25519 public key",
|
|
"metrics": [
|
|
{
|
|
"other": {
|
|
"content": {
|
|
"value": "Low",
|
|
"namespace": "https://access.redhat.com/security/updates/classification/"
|
|
},
|
|
"type": "Red Hat severity rating"
|
|
}
|
|
},
|
|
{
|
|
"cvssV3_1": {
|
|
"attackComplexity": "HIGH",
|
|
"attackVector": "NETWORK",
|
|
"availabilityImpact": "NONE",
|
|
"baseScore": 3.7,
|
|
"baseSeverity": "LOW",
|
|
"confidentialityImpact": "LOW",
|
|
"integrityImpact": "NONE",
|
|
"privilegesRequired": "NONE",
|
|
"scope": "UNCHANGED",
|
|
"userInteraction": "NONE",
|
|
"vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N",
|
|
"version": "3.1"
|
|
},
|
|
"format": "CVSS"
|
|
}
|
|
],
|
|
"descriptions": [
|
|
{
|
|
"lang": "en",
|
|
"value": "A flaw was found in libssh. During server-side GSSAPI key exchange, a client-supplied Curve25519 public key shorter than the expected length is copied without proper length validation, leading to an out-of-bounds heap read. This could allow a remote unauthenticated attacker to disclose small amounts of server memory."
|
|
}
|
|
],
|
|
"affected": [
|
|
{
|
|
"vendor": "Red Hat",
|
|
"product": "Red Hat Enterprise Linux 10",
|
|
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
|
|
"packageName": "libssh",
|
|
"defaultStatus": "affected",
|
|
"versions": [
|
|
{
|
|
"version": "0:0.12.0-3.el10_2",
|
|
"lessThan": "*",
|
|
"versionType": "rpm",
|
|
"status": "unaffected"
|
|
}
|
|
],
|
|
"cpes": [
|
|
"cpe:/o:redhat:enterprise_linux:10.2"
|
|
]
|
|
},
|
|
{
|
|
"vendor": "Red Hat",
|
|
"product": "Red Hat Hardened Images",
|
|
"collectionURL": "https://catalog.redhat.com/software/containers/",
|
|
"packageName": "libssh-main",
|
|
"defaultStatus": "affected",
|
|
"versions": [
|
|
{
|
|
"version": "0.12.1-4.hum1",
|
|
"lessThan": "*",
|
|
"versionType": "rpm",
|
|
"status": "unaffected"
|
|
}
|
|
],
|
|
"cpes": [
|
|
"cpe:/a:redhat:hummingbird:1"
|
|
]
|
|
},
|
|
{
|
|
"vendor": "Red Hat",
|
|
"product": "Red Hat Enterprise Linux 8",
|
|
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
|
|
"packageName": "libssh",
|
|
"defaultStatus": "unaffected",
|
|
"cpes": [
|
|
"cpe:/a:redhat:enterprise_linux:8"
|
|
]
|
|
},
|
|
{
|
|
"vendor": "Red Hat",
|
|
"product": "Red Hat Enterprise Linux 9",
|
|
"collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
|
|
"packageName": "libssh",
|
|
"defaultStatus": "unaffected",
|
|
"cpes": [
|
|
"cpe:/a:redhat:enterprise_linux:9"
|
|
]
|
|
}
|
|
],
|
|
"references": [
|
|
{
|
|
"url": "https://access.redhat.com/errata/RHSA-2026:42922",
|
|
"name": "RHSA-2026:42922",
|
|
"tags": [
|
|
"vendor-advisory",
|
|
"x_refsource_REDHAT"
|
|
]
|
|
},
|
|
{
|
|
"url": "https://access.redhat.com/errata/RHSA-2026:55855",
|
|
"name": "RHSA-2026:55855",
|
|
"tags": [
|
|
"vendor-advisory",
|
|
"x_refsource_REDHAT"
|
|
]
|
|
},
|
|
{
|
|
"url": "https://access.redhat.com/security/cve/CVE-2026-59842",
|
|
"tags": [
|
|
"vdb-entry",
|
|
"x_refsource_REDHAT"
|
|
]
|
|
},
|
|
{
|
|
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=2498168",
|
|
"name": "RHBZ#2498168",
|
|
"tags": [
|
|
"issue-tracking",
|
|
"x_refsource_REDHAT"
|
|
]
|
|
}
|
|
],
|
|
"datePublic": "2026-07-21T11:03:52.936Z",
|
|
"problemTypes": [
|
|
{
|
|
"descriptions": [
|
|
{
|
|
"cweId": "CWE-125",
|
|
"description": "Out-of-bounds Read",
|
|
"lang": "en",
|
|
"type": "CWE"
|
|
}
|
|
]
|
|
}
|
|
],
|
|
"x_redhatCweChain": "CWE-125: Out-of-bounds Read",
|
|
"workarounds": [
|
|
{
|
|
"lang": "en",
|
|
"value": "Disable GSSAPIKeyExchange or remove gss-curve25519-sha256- from GSSAPIKexAlgorithms if appropriate."
|
|
}
|
|
],
|
|
"timeline": [
|
|
{
|
|
"lang": "en",
|
|
"time": "2026-04-29T10:03:47.442Z",
|
|
"value": "Reported to Red Hat."
|
|
},
|
|
{
|
|
"lang": "en",
|
|
"time": "2026-07-21T11:03:52.936Z",
|
|
"value": "Made public."
|
|
}
|
|
],
|
|
"credits": [
|
|
{
|
|
"lang": "en",
|
|
"value": "Red Hat would like to thank Haruki Oyama, Yi Lin, and nevv for reporting this issue."
|
|
}
|
|
],
|
|
"providerMetadata": {
|
|
"orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
|
|
"shortName": "redhat",
|
|
"dateUpdated": "2026-11-06T19:28:48.423Z"
|
|
},
|
|
"x_generator": {
|
|
"engine": "cvelib 1.8.0"
|
|
}
|
|
},
|
|
"adp": [
|
|
{
|
|
"metrics": [
|
|
{
|
|
"other": {
|
|
"type": "ssvc",
|
|
"content": {
|
|
"timestamp": "2026-07-22T14:00:56.434429Z",
|
|
"id": "CVE-2026-59842",
|
|
"options": [
|
|
{
|
|
"Exploitation": "none"
|
|
},
|
|
{
|
|
"Automatable": "no"
|
|
},
|
|
{
|
|
"Technical Impact": "partial"
|
|
}
|
|
],
|
|
"role": "CISA Coordinator",
|
|
"version": "2.0.3"
|
|
}
|
|
}
|
|
}
|
|
],
|
|
"title": "CISA ADP Vulnrichment",
|
|
"providerMetadata": {
|
|
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
|
|
"shortName": "CISA-ADP",
|
|
"dateUpdated": "2026-07-22T14:01:10.193Z"
|
|
}
|
|
}
|
|
]
|
|
}
|
|
} |