NULL pointer dereference in Trusted Domain Project Openarc
CVE-2026-100895
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.
Published .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.
Affected products
- Trusted Domain Project Openarc — versions 1.0.0.Beta1
Weakness classification (CWE)
References
- vuldb.com/vuln/410845 (technical-description, vdb-entry)
- vuldb.com/vuln/410845/cti (signature, permissions-required)
- vuldb.com/cve/CVE-2026-100895 (third-party-advisory)
- vuldb.com/submit/917187 (third-party-advisory)
- weitongli.com/share/openarc-c-tag-null-deref.html (exploit)
- github.com/trusteddomainproject/OpenARC/releases/tag/v1.0.0.Beta0 (patch)
Frequently asked questions
- What is CVE-2026-100895?
- CVE-2026-100895 is a medium-severity vulnerability in Trusted Domain Project Openarc, classified under Improper Resource Shutdown or Release. CVSS score: 5.3/10. Published 2026-09-28.
- How severe is CVE-2026-100895?
- Medium severity. CVSS v3 base score is 5.3 out of 10.