---
id: CVE-2026-100895
title: >-
  Trusted Domain Project OpenARC libopenarc arc-canon.c arc_parse_canon_t null
  pointer dereference
summary: >-
  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 point…
severity: medium
cvss: 5.3
cvssVector: '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'
cvssSource: cna
cwe:
  - CWE-476
  - CWE-404
vendor: Trusted Domain Project
product: OpenARC
affected:
  - OpenARC 1.0.0.Beta1
published: '2026-09-28'
updated: '2026-09-28'
sourceUpdated: '2026-09-28T01:15:11.424Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-100895'
references:
  - url: 'https://vuldb.com/vuln/410845'
    label: >-
      VDB-410845 | Trusted Domain Project OpenARC libopenarc arc-canon.c
      arc_parse_canon_t null pointer dereference
  - url: 'https://vuldb.com/vuln/410845/cti'
    label: 'VDB-410845 | CTI Indicators (IOB, IOC, IOA)'
  - url: 'https://vuldb.com/cve/CVE-2026-100895'
    label: CVE-2026-100895 | CVE Analysis and Report
  - url: 'https://vuldb.com/submit/917187'
    label: >-
      Submit #917187 | The Trusted Domain Project OpenARC 1.0.0 NULL Pointer
      Dereference
  - url: 'https://weitongli.com/share/openarc-c-tag-null-deref.html'
  - url: 'https://github.com/trusteddomainproject/OpenARC/releases/tag/v1.0.0.Beta0'
tags:
  - cve.org
ingestedAt: '2026-09-28T02:01:16.950Z'
---

## Overview

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

- `OpenARC 1.0.0.Beta1`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.