Uncontrolled Memory Allocation in CODESYS Gateway Client
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| CODESYS | Development System 3 | unaffected |
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| CODESYS | Gateway | unaffected |
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| CODESYS | Edge Gateway for Windows | unaffected |
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| CODESYS | HMI (SL) | unaffected |
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| CODESYS | OPC DA Server SL | unaffected |
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| CODESYS | PLCHandler | unaffected |
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| CODESYS | Runtime Toolkit | unaffected |
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| CODESYS | Edge Gateway for Linux | unaffected |
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No data.
No data.
| Vendor | Product | Versions | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Codesys | Codesys Edge Gateway For Windows |
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| Codesys | Development System V3 |
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| Codesys | Edge Gateway For Linux |
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| Codesys | Gateway |
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| Codesys | Hmi (sl) |
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| Codesys | Opc Da Server |
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| Codesys | Plchandler |
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| Codesys | Runtime Toolkit |
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No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.327% probability within 30 days)
| Link | Providers |
|---|---|
| https://www.certvde.com/en/advisories/VDE-2026-094/ |
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| Type | Values Removed | Values Added |
|---|---|---|
| Metrics |
ssvc
|
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Codesys development System V3
Codesys edge Gateway For Linux Codesys gateway Codesys hmi (sl) Codesys opc Da Server Codesys plchandler Codesys runtime Toolkit |
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| Vendors & Products |
Codesys development System V3
Codesys edge Gateway For Linux Codesys gateway Codesys hmi (sl) Codesys opc Da Server Codesys plchandler Codesys runtime Toolkit |
| Type | Values Removed | Values Added |
|---|---|---|
| Description | The CODESYS Gateway Client allocates memory based on a size field in a gateway response without enforcing an appropriate upper limit. An unauthenticated remote attacker controlling a malicious gateway can exploit this behavior to trigger excessive memory consumption, resulting in a denial-of-service condition thus leading to a total loss of availablity. | |
| Title | Uncontrolled Memory Allocation in CODESYS Gateway Client | |
| First Time appeared |
Codesys
Codesys codesys Development System 3 Codesys codesys Edge Gateway For Linux Codesys codesys Edge Gateway For Windows Codesys codesys Gateway Codesys codesys Hmi Sl Codesys codesys Opc Da Server Sl Codesys codesys Plchandler Codesys codesys Runtime Toolkit |
|
| Weaknesses | CWE-770 | |
| CPEs | cpe:2.3:a:codesys:codesys_development_system_3:*:*:*:*:*:*:*:* cpe:2.3:a:codesys:codesys_edge_gateway_for_linux:*:*:*:*:*:*:*:* cpe:2.3:a:codesys:codesys_edge_gateway_for_windows:*:*:*:*:*:*:*:* cpe:2.3:a:codesys:codesys_gateway:*:*:*:*:*:*:*:* cpe:2.3:a:codesys:codesys_hmi_sl:*:*:*:*:*:*:*:* cpe:2.3:a:codesys:codesys_opc_da_server_sl:*:*:*:*:*:*:*:* cpe:2.3:a:codesys:codesys_plchandler:*:*:*:*:*:*:*:* cpe:2.3:a:codesys:codesys_runtime_toolkit:*:*:*:*:*:*:*:* |
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| Vendors & Products |
Codesys
Codesys codesys Development System 3 Codesys codesys Edge Gateway For Linux Codesys codesys Edge Gateway For Windows Codesys codesys Gateway Codesys codesys Hmi Sl Codesys codesys Opc Da Server Sl Codesys codesys Plchandler Codesys codesys Runtime Toolkit |
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| References |
| |
| Metrics |
cvssV3_1
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