Trusted Domain Project OpenARC up to 1.0.0.Beta1 libopenarc libopenarc/arc-canon.c arc_parse_canon_t null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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4.8$0-$5k0.65+

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Trusted Domain Project OpenARC up to 1.0.0.Beta1. The affected element is the function arc_parse_canon_t in the library libopenarc/arc-canon.c of the component libopenarc. This manipulation causes null pointer dereference. This vulnerability is registered as CVE-2026-100895. Remote exploitation of the attack is possible. Furthermore, an exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability has been found in Trusted Domain Project OpenARC up to 1.0.0.Beta1 and classified as problematic. Affected by this vulnerability is the function arc_parse_canon_t in the library libopenarc/arc-canon.c of the component libopenarc. The manipulation with an unknown input leads to a null pointer dereference vulnerability. The CWE definition for the vulnerability is CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. As an impact it is known to affect availability.

The advisory is shared at weitongli.com. This vulnerability is known as CVE-2026-100895. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details and also a public exploit are known.

It is possible to download the exploit at weitongli.com. It is declared as proof-of-concept.

Upgrading to version 1.0.0.Beta0 eliminates this vulnerability. The upgrade is hosted for download at github.com.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: OpenARC 1.0.0.Beta0

Timelineinfo

09/27/2026 Advisory disclosed
09/27/2026 +0 days VulDB entry created
09/27/2026 +0 days VulDB entry last update

Sourcesinfo

Advisory: weitongli.com
Status: Confirmed

CVE: CVE-2026-100895 (🔒)
GCVE (CVE): GCVE-0-2026-100895
GCVE (VulDB): GCVE-100-410845
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 09/27/2026 10:27
Changes: 09/27/2026 10:27 (59)
Complete: 🔍
Submitter: WeitongLi
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #917187: The Trusted Domain Project OpenARC 1.0.0 NULL Pointer Dereference (by WeitongLi)

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