Vulnerability · Published Sep 28, 2026 · Assigned by VulDB

CVE-2026-100895Trusted Domain Project OpenARC libopenarc arc-canon.c arc_parse_canon_t null pointer dereference

Medium 5.3

In plain English

A medium-severity null pointer dereference in OpenARC from Trusted Domain Project. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 35% of all known vulnerabilities).

Severity (CVSS 3.1)5.3Medium

Exploit odds (30 days)0.4%top 65.0% of all CVEs

Exploited in the wildNo reportsCISA SSVC: poc

Attack toolingNoneno public tooling known

Official 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.

Affected products (as reported)

Vendor	Product	Versions
Trusted Domain Project	OpenARC	1.0.0.Beta1

Weakness: CWE-476, CWE-404 · Vector: 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

References

VDB-410845 | Trusted Domain Project OpenARC libopenarc arc-canon.c arc_parse_canon_t null pointer dereference vdb-entry, technical-description
VDB-410845 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
CVE-2026-100895 | CVE Analysis and Report third-party-advisory
Submit #917187 | The Trusted Domain Project OpenARC 1.0.0 NULL Pointer Dereference third-party-advisory
https://weitongli.com/share/openarc-c-tag-null-deref.html exploit
https://github.com/trusteddomainproject/OpenARC/releases/tag/v1.0.0.Beta0 patch