{"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"}}]}}