Description
A security vulnerability has been detected in EIPStackGroup OpENer up to 2.3.0. Affected is the function CreateMessageRouterRequestStructure of the file cipmessagerouter.c of the component SendRRData Handler. The manipulation leads to use after free. Remote exploitation of the attack is possible. The exploit has been disclosed publicly and may be used. The project was informed of the problem early through an issue report but has not responded yet.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| EIPStackGroup | OpENer | 2.0, 2.1, 2.2, 2.3.0 | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 3 | OpenEXR | No fix yet | — |
References
- VDB-368016 | EIPStackGroup OpENer SendRRData cipmessagerouter.c CreateMessageRouterRequestStructure use after free vdb-entry technical-description
- VDB-368016 | CTI Indicators (IOB, IOC, IOA) signature permissions-required
- CVE-2026-10703 | CVE Analysis and Report third-party-advisory
- Submit #830921 | Linux OpENer (Open EtherNet/IP Stack) lastet Use After Free third-party-advisory
- https://github.com/EIPStackGroup/OpENer/issues/566 issue-tracking
- https://github.com/user-attachments/files/27100961/poc.zip exploit
- https://github.com/EIPStackGroup/OpENer/ product