{ "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" } } ] } }