CVE-2026-18457
Received
Received - Intake
Heap-based Buffer Overflow in RTI Connext Professional
Vulnerability report for CVE-2026-18457, including description, CVSS score, EPSS score, affected products, exploitability, helpful resources, and attack-flow context.
Publication date: 2026-09-22
Last updated on: 2026-09-22
Assigner: RTI
Description
Description
Heap-based Buffer Overflow vulnerability in RTI Connext Professional (Core Libraries) allows Overflow Buffers. This issue affects Connext Professional: from 7.4.0 before 7.7.0.1, from 7.0.0 before 7.3.1.6, from 6.1.0 before 6.1.*, from 6.0.0 before 6.0.*, from 5.3.0 before 5.3.*, from 5.2.3 before 5.2.*.
CVSS Scores
EPSS Scores
| Probability: | |
| Percentile: |
Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| rti | connext_professional | From 7.4.0 (inc) to 7.7.0.1 (exc) |
| rti | connext_professional | From 7.0.0 (inc) to 7.3.1.6 (exc) |
| rti | connext_professional | From 6.1.0 (inc) to 6.1.* (exc) |
| rti | connext_professional | From 6.0.0 (inc) to 6.0.* (exc) |
| rti | connext_professional | From 5.3.0 (inc) to 5.3.* (exc) |
| rti | connext_professional | From 5.2.3 (inc) to 5.2.* (exc) |
Helpful Resources
Exploitability
CWE
KEV
| CWE ID | Description |
|---|---|
| CWE-122 | A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). |
