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vuln-cve/data/2026/9xxx/CVE-2026-9503.json
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{
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"cveMetadata": {
"cveId": "CVE-2026-9503",
"assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"state": "PUBLISHED",
"assignerShortName": "VulDB",
"dateReserved": "2026-05-25T10:04:25.840Z",
"datePublished": "2026-05-25T21:00:16.085Z",
"dateUpdated": "2026-05-26T12:49:51.105Z"
},
"containers": {
"cna": {
"providerMetadata": {
"orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
"shortName": "VulDB",
"dateUpdated": "2026-05-25T21:00:16.085Z"
},
"title": "GNU LibreDWG DWG File decode.c dwg_next_entity null pointer dereference",
"problemTypes": [
{
"descriptions": [
{
"type": "CWE",
"cweId": "CWE-476",
"lang": "en",
"description": "NULL Pointer Dereference"
}
]
},
{
"descriptions": [
{
"type": "CWE",
"cweId": "CWE-404",
"lang": "en",
"description": "Denial of Service"
}
]
}
],
"affected": [
{
"vendor": "GNU",
"product": "LibreDWG",
"versions": [
{
"version": "0.1",
"status": "affected"
},
{
"version": "0.2",
"status": "affected"
},
{
"version": "0.3",
"status": "affected"
},
{
"version": "0.4",
"status": "affected"
},
{
"version": "0.5",
"status": "affected"
},
{
"version": "0.6",
"status": "affected"
},
{
"version": "0.7",
"status": "affected"
},
{
"version": "0.8",
"status": "affected"
},
{
"version": "0.9",
"status": "affected"
},
{
"version": "0.10",
"status": "affected"
},
{
"version": "0.11",
"status": "affected"
},
{
"version": "0.12",
"status": "affected"
},
{
"version": "0.13",
"status": "affected"
},
{
"version": "0.14",
"status": "affected"
}
],
"cpes": [
"cpe:2.3:a:gnu:libredwg:*:*:*:*:*:*:*:*"
],
"modules": [
"DWG File Handler"
]
}
],
"descriptions": [
{
"lang": "en",
"value": "A security flaw has been discovered in GNU LibreDWG up to 0.14. This impacts the function dwg_next_entity of the file src/decode.c of the component DWG File Handler. The manipulation results in null pointer dereference. The attack must be initiated from a local position. The exploit has been released to the public and may be used for attacks. The patch is identified as 8f03865f37f5d4ffd616fef802acc980be54d300. Upgrading the affected component is advised."
}
],
"metrics": [
{
"cvssV4_0": {
"version": "4.0",
"baseScore": 4.8,
"vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P",
"baseSeverity": "MEDIUM"
}
},
{
"cvssV3_1": {
"version": "3.1",
"baseScore": 3.3,
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C",
"baseSeverity": "LOW"
}
},
{
"cvssV3_0": {
"version": "3.0",
"baseScore": 3.3,
"vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C",
"baseSeverity": "LOW"
}
},
{
"cvssV2_0": {
"version": "2.0",
"baseScore": 1.7,
"vectorString": "AV:L/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:OF/RC:C"
}
}
],
"timeline": [
{
"time": "2026-05-25T00:00:00.000Z",
"lang": "en",
"value": "Advisory disclosed"
},
{
"time": "2026-05-25T02:00:00.000Z",
"lang": "en",
"value": "VulDB entry created"
},
{
"time": "2026-05-25T12:10:02.000Z",
"lang": "en",
"value": "VulDB entry last update"
}
],
"credits": [
{
"lang": "en",
"value": "pwn3rd (VulDB User)",
"type": "reporter"
}
],
"references": [
{
"url": "https://vuldb.com/vuln/365485",
"name": "VDB-365485 | GNU LibreDWG DWG File decode.c dwg_next_entity null pointer dereference",
"tags": [
"vdb-entry",
"technical-description"
]
},
{
"url": "https://vuldb.com/vuln/365485/cti",
"name": "VDB-365485 | CTI Indicators (IOB, IOC, IOA)",
"tags": [
"signature",
"permissions-required"
]
},
{
"url": "https://vuldb.com/submit/814260",
"name": "Submit #814260 | LibreDWG Project LibreDWG <= 0.14, main branch up to commit 6d6a339 (2026-04-10) NULL Pointer Dereference (CWE-476)",
"tags": [
"third-party-advisory"
]
},
{
"url": "https://github.com/LibreDWG/libredwg/issues/1245",
"tags": [
"issue-tracking"
]
},
{
"url": "https://github.com/HackC0der/CVE-Repos/blob/main/libredwg/libredwg_6d6a339_heap_oob_write_read_2004_compressed_section.dwg",
"tags": [
"exploit"
]
},
{
"url": "https://github.com/LibreDWG/libredwg/commit/8f03865f37f5d4ffd616fef802acc980be54d300",
"tags": [
"patch"
]
},
{
"url": "https://www.gnu.org/",
"tags": [
"product"
]
}
],
"tags": [
"x_open-source"
]
},
"adp": [
{
"metrics": [
{
"other": {
"type": "ssvc",
"content": {
"timestamp": "2026-05-26T12:49:42.693059Z",
"id": "CVE-2026-9503",
"options": [
{
"Exploitation": "poc"
},
{
"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": "2026-05-26T12:49:51.105Z"
}
}
]
}
}