{"id":"CVE-2026-9500","state":"PUBLISHED","title":"GNU LibreDWG Dwgread Utility decode.c read_2004_compressed_section heap-based overflow","description":"A vulnerability was found in GNU LibreDWG up to 0.14. The affected element is the function read_2004_compressed_section of the file src/decode.c of the component Dwgread Utility. Performing a manipulation results in heap-based buffer overflow. The attack is only possible with local access. The exploit has been made public and could be used. The project was informed of the problem early through an issue report but has not responded yet.","publishedAt":"2026-05-25T20:15:11.726Z","updatedAt":"2026-05-26T12:54:56.758Z","severity":{"score":4.8,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P","source":"VulDB"},"assigner":"VulDB","products":["GNU LibreDWG"],"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":["Dwgread Utility"]}],"references":["https://vuldb.com/vuln/365482","https://vuldb.com/vuln/365482/cti","https://vuldb.com/submit/814248","https://github.com/LibreDWG/libredwg/issues/1241","https://github.com/HackC0der/CVE-Repos/blob/main/libredwg/libredwg_6d6a339_heap_oob_write_read_2004_compressed_section.dwg","https://www.gnu.org/"],"weaknesses":["CWE-122","CWE-119"],"ingestedAt":"2026-10-29T20:13:52.441Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/9xxx/CVE-2026-9500.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-9500","state":"PUBLISHED","datePublished":"2026-05-25T20:15:11.726Z","dateUpdated":"2026-05-26T12:54:56.758Z","assignerShortName":"VulDB","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateReserved":"2026-05-25T10:03:48.361Z"},"containers":{"cna":{"title":"GNU LibreDWG Dwgread Utility decode.c read_2004_compressed_section heap-based overflow","descriptions":[{"lang":"en","value":"A vulnerability was found in GNU LibreDWG up to 0.14. The affected element is the function read_2004_compressed_section of the file src/decode.c of the component Dwgread Utility. Performing a manipulation results in heap-based buffer overflow. The attack is only possible with local access. The exploit has been made public and could be used. The project was informed of the problem early through an issue report but has not responded yet."}],"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":["Dwgread Utility"]}],"references":[{"url":"https://vuldb.com/vuln/365482","name":"VDB-365482 | GNU LibreDWG Dwgread Utility decode.c read_2004_compressed_section heap-based overflow","tags":["vdb-entry","technical-description"]},{"url":"https://vuldb.com/vuln/365482/cti","name":"VDB-365482 | CTI Indicators (IOB, IOC, IOA)","tags":["signature","permissions-required"]},{"url":"https://vuldb.com/submit/814248","name":"Submit #814248 | LibreDWG Project LibreDWG <= 0.14, main branch up to commit 6d6a339 (released 2026-04-10) Heap-based Buffer Overflow (CWE-122)","tags":["third-party-advisory"]},{"url":"https://github.com/LibreDWG/libredwg/issues/1241","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://www.gnu.org/","tags":["product"]}],"metrics":[{"cvssV4_0":{"version":"4.0","baseScore":4.8,"vectorString":"CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P","baseSeverity":"MEDIUM"}},{"cvssV3_1":{"version":"3.1","baseScore":5.3,"vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R","baseSeverity":"MEDIUM"}},{"cvssV3_0":{"version":"3.0","baseScore":5.3,"vectorString":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R","baseSeverity":"MEDIUM"}},{"cvssV2_0":{"version":"2.0","baseScore":4.3,"vectorString":"AV:L/AC:L/Au:S/C:P/I:P/A:P/E:POC/RL:ND/RC:UR"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-122","type":"CWE","lang":"en","description":"Heap-based Buffer Overflow"}]},{"descriptions":[{"cweId":"CWE-119","type":"CWE","lang":"en","description":"Memory Corruption"}]}],"providerMetadata":{"shortName":"VulDB","orgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateUpdated":"2026-05-25T20:15:11.726Z"},"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":"2026-05-25T12:09:49.000Z","lang":"en","value":"VulDB entry last update"}],"credits":[{"lang":"en","value":"pwn3rd (VulDB User)","type":"reporter"},{"lang":"en","value":"VulDB CNA Team","type":"coordinator"}],"tags":["x_open-source"]},"adp":[{"title":"CISA ADP Vulnrichment","references":[{"url":"https://github.com/LibreDWG/libredwg/issues/1241","tags":["exploit"]}],"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-05-26T12:54:53.894529Z","id":"CVE-2026-9500","options":[{"Exploitation":"poc"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-05-26T12:54:56.758Z"}}]}}}