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vuln-cve/data/2026/86xxx/CVE-2026-86303.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-86303",
"assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"state": "PUBLISHED",
"assignerShortName": "VulDB",
"dateReserved": "2026-09-06T16:49:26.072Z",
"datePublished": "2026-09-07T12:15:08.941Z",
"dateUpdated": "2026-09-08T12:57:36.447Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"shortName": "VulDB",
"dateUpdated": "2026-09-07T12:15:08.941Z"
},
"title": "92181 markdown md.c lds out-of-bounds",
"problemTypes": [
{
"descriptions": [
{
"type": "CWE",
"cweId": "CWE-125",
"lang": "en",
"description": "Out-of-Bounds Read"
}
]
},
{
"descriptions": [
{
"type": "CWE",
"cweId": "CWE-119",
"lang": "en",
"description": "Memory Corruption"
}
]
}
],
"affected": [
{
"vendor": "92181",
"product": "markdown",
"versions": [
{
"version": "058cab0cb7fb245a0ccc6b8446963ff8d573558f",
"status": "affected"
}
],
"cpes": [
"cpe:2.3:a:92181:markdown:*:*:*:*:*:*:*:*"
]
}
],
"descriptions": [
{
"lang": "en",
"value": "A vulnerability was determined in 92181 markdown up to 058cab0cb7fb245a0ccc6b8446963ff8d573558f. Affected by this issue is the function lds of the file md.c. Executing a manipulation can lead to out-of-bounds read. The attack can be executed remotely. This product implements a rolling release for ongoing delivery, which means version information for affected or updated releases is unavailable. This patch is called c000d2f9cf390c315378d3717cf20911cf3e80a6. A patch should be applied to remediate this issue."
}
],
"metrics": [
{
"cvssV4_0": {
"version": "4.0",
"baseScore": 6.9,
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X",
"baseSeverity": "MEDIUM"
}
},
{
"cvssV3_1": {
"version": "3.1",
"baseScore": 7.3,
"vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C",
"baseSeverity": "HIGH"
}
},
{
"cvssV3_0": {
"version": "3.0",
"baseScore": 7.3,
"vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:X/RL:O/RC:C",
"baseSeverity": "HIGH"
}
},
{
"cvssV2_0": {
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"baseScore": 7.5,
"vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P/E:ND/RL:OF/RC:C"
}
}
],
"timeline": [
{
"time": "2026-09-06T00:00:00.000Z",
"lang": "en",
"value": "Advisory disclosed"
},
{
"time": "2026-09-06T02:00:00.000Z",
"lang": "en",
"value": "VulDB entry created"
},
{
"time": "2026-09-06T18:54:36.000Z",
"lang": "en",
"value": "VulDB entry last update"
}
],
"credits": [
{
"lang": "en",
"value": "lrrh (VulDB User)",
"type": "reporter"
}
],
"references": [
{
"url": "https://vuldb.com/vuln/399467",
"name": "VDB-399467 | 92181 markdown md.c lds out-of-bounds",
"tags": [
"vdb-entry",
"technical-description"
]
},
{
"url": "https://vuldb.com/vuln/399467/cti",
"name": "VDB-399467 | CTI Indicators (IOB, IOC, IOA)",
"tags": [
"signature",
"permissions-required"
]
},
{
"url": "https://vuldb.com/cve/CVE-2026-86303",
"name": "CVE-2026-86303 | CVE Analysis and Report",
"tags": [
"third-party-advisory"
]
},
{
"url": "https://vuldb.com/submit/907499",
"name": "Submit #907499 | github markdown commit 0d1eafb484f4766316a5391e162b4c96dc76513f Out-of-Bounds Read",
"tags": [
"third-party-advisory"
]
},
{
"url": "https://github.com/92181/markdown/issues/1",
"tags": [
"issue-tracking"
]
},
{
"url": "https://github.com/92181/markdown/pull/2",
"tags": [
"issue-tracking",
"patch"
]
},
{
"url": "https://github.com/92181/markdown/commit/c000d2f9cf390c315378d3717cf20911cf3e80a6",
"tags": [
"patch"
]
},
{
"url": "https://github.com/92181/markdown/",
"tags": [
"product"
]
}
],
"tags": [
"x_open-source"
],
"x_generator": [
"VulDB PVTS v202609"
]
},
"adp": [
{
"references": [
{
"url": "https://github.com/92181/markdown/issues/1",
"tags": [
"exploit"
]
}
],
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-09-08T12:57:16.939381Z",
"id": "CVE-2026-86303",
"options": [
{
"Exploitation": "poc"
},
{
"Automatable": "yes"
},
{
"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": "2026-09-08T12:57:36.447Z"
}
}
]
}
}