{"id":"CVE-2026-100895","state":"PUBLISHED","title":"Trusted Domain Project OpenARC libopenarc arc-canon.c arc_parse_canon_t null pointer dereference","description":"A security flaw has been discovered in Trusted Domain Project OpenARC up to 1.0.0.Beta1. Impacted is the function arc_parse_canon_t in the library libopenarc/arc-canon.c of the component libopenarc. The manipulation results in null pointer dereference. The attack may be launched remotely. The exploit has been released to the public and may be used for attacks. Upgrading to version 1.0.0.Beta0 is recommended to address this issue. Upgrading the affected component is advised.","publishedAt":"2026-09-28T01:15:11.424Z","updatedAt":"2026-09-28T13:00:11.969Z","severity":{"score":6.9,"label":"Medium","version":"4.0","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P","source":"VulDB"},"assigner":"VulDB","products":["Trusted Domain Project OpenARC"],"affected":[{"vendor":"Trusted Domain Project","product":"OpenARC","versions":[{"version":"1.0.0.Beta1","status":"affected"},{"version":"1.0.0.Beta0","status":"unaffected"}],"cpes":["cpe:2.3:a:trusted_domain_project:openarc:*:*:*:*:*:*:*:*"],"modules":["libopenarc"]}],"references":["https://vuldb.com/vuln/410845","https://vuldb.com/vuln/410845/cti","https://vuldb.com/cve/CVE-2026-100895","https://vuldb.com/submit/917187","https://weitongli.com/share/openarc-c-tag-null-deref.html","https://github.com/trusteddomainproject/OpenARC/releases/tag/v1.0.0.Beta0"],"weaknesses":["CWE-476","CWE-404"],"ingestedAt":"2026-10-29T20:10:13.529Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/100xxx/CVE-2026-100895.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-100895","state":"PUBLISHED","datePublished":"2026-09-28T01:15:11.424Z","dateUpdated":"2026-09-28T13:00:11.969Z","assignerShortName":"VulDB","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateReserved":"2026-09-27T08:22:09.540Z"},"containers":{"cna":{"title":"Trusted Domain Project OpenARC libopenarc arc-canon.c arc_parse_canon_t null pointer dereference","descriptions":[{"lang":"en","value":"A security flaw has been discovered in Trusted Domain Project OpenARC up to 1.0.0.Beta1. Impacted is the function arc_parse_canon_t in the library libopenarc/arc-canon.c of the component libopenarc. The manipulation results in null pointer dereference. The attack may be launched remotely. The exploit has been released to the public and may be used for attacks. Upgrading to version 1.0.0.Beta0 is recommended to address this issue. Upgrading the affected component is advised."}],"affected":[{"vendor":"Trusted Domain Project","product":"OpenARC","versions":[{"version":"1.0.0.Beta1","status":"affected"},{"version":"1.0.0.Beta0","status":"unaffected"}],"cpes":["cpe:2.3:a:trusted_domain_project:openarc:*:*:*:*:*:*:*:*"],"modules":["libopenarc"]}],"references":[{"url":"https://vuldb.com/vuln/410845","name":"VDB-410845 | Trusted Domain Project OpenARC libopenarc arc-canon.c arc_parse_canon_t null pointer dereference","tags":["vdb-entry","technical-description"]},{"url":"https://vuldb.com/vuln/410845/cti","name":"VDB-410845 | CTI Indicators (IOB, IOC, IOA)","tags":["signature","permissions-required"]},{"url":"https://vuldb.com/cve/CVE-2026-100895","name":"CVE-2026-100895 | CVE Analysis and Report","tags":["third-party-advisory"]},{"url":"https://vuldb.com/submit/917187","name":"Submit #917187 | The Trusted Domain Project OpenARC 1.0.0 NULL Pointer Dereference","tags":["third-party-advisory"]},{"url":"https://weitongli.com/share/openarc-c-tag-null-deref.html","tags":["exploit"]},{"url":"https://github.com/trusteddomainproject/OpenARC/releases/tag/v1.0.0.Beta0","tags":["patch"]}],"metrics":[{"cvssV4_0":{"version":"4.0","baseScore":6.9,"vectorString":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/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:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C","baseSeverity":"MEDIUM"}},{"cvssV3_0":{"version":"3.0","baseScore":5.3,"vectorString":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C","baseSeverity":"MEDIUM"}},{"cvssV2_0":{"version":"2.0","baseScore":5,"vectorString":"AV:N/AC:L/Au:N/C:N/I:N/A:P/E:POC/RL:OF/RC:C"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-476","type":"CWE","lang":"en","description":"NULL Pointer Dereference"}]},{"descriptions":[{"cweId":"CWE-404","type":"CWE","lang":"en","description":"Denial of Service"}]}],"providerMetadata":{"shortName":"VulDB","orgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateUpdated":"2026-09-28T01:15:11.424Z"},"timeline":[{"time":"2026-09-27T00:00:00.000Z","lang":"en","value":"Advisory disclosed"},{"time":"2026-09-27T02:00:00.000Z","lang":"en","value":"VulDB entry created"},{"time":"2026-09-27T10:27:14.000Z","lang":"en","value":"VulDB entry last update"}],"credits":[{"lang":"en","value":"WeitongLi (VulDB User)","type":"reporter"}],"x_generator":["VulDB PVTS v202609"]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-09-28T12:56:36.439752Z","id":"CVE-2026-100895","options":[{"Exploitation":"poc"},{"Automatable":"yes"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-09-28T13:00:11.969Z"}}]}}}