CVE-2026-100895

Trusted Domain Project OpenARC libopenarc arc-canon.c arc_parse_canon_t null pointer dereference

State: Published
Severity: 6.9 Medium
Published: Sep 28, 2026
Updated: Sep 28, 2026
Reserved: Sep 27, 2026

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.

Scores

CVSS	Score	Vector	Source
4.0	6.9 Medium	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	VulDB
3.1	5.3 Medium	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	VulDB
3.0	5.3 Medium	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	VulDB
2.0	5.0 Medium	AV:N/AC:L/Au:N/C:N/I:N/A:P/E:POC/RL:OF/RC:C	VulDB

Weaknesses

CWE-476 NULL Pointer Dereference
CWE-404 Denial of Service

Affected Products

Product	Versions
OpenARCTrusted Domain Project	1.0.0.Beta1Affected 1.0.0.Beta0Not affected

References

VDB-410845 | Trusted Domain Project OpenARC libopenarc arc-canon.c arc_parse_canon_t null pointer dereferencevdb-entrytechnical-description
VDB-410845 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
CVE-2026-100895 | CVE Analysis and Reportthird-party-advisory
Submit #917187 | The Trusted Domain Project OpenARC 1.0.0 NULL Pointer Dereferencethird-party-advisory
https://weitongli.com/share/openarc-c-tag-null-deref.htmlexploit
https://github.com/trusteddomainproject/OpenARC/releases/tag/v1.0.0.Beta0patch

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