CVE-2026-2467— Heap-based Buffer Overflow vulnerability in RTI Connext Professional (Core Libraries) allows Overflow Variables and Tags.
Quick assessment
Affected
RTI Connext Professional
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
RTI connext professional是美国RTI公司的一套实时数据通信中间件。 RTI Connext Professional存在缓冲区错误漏洞，该漏洞源于Core Libraries组件存在堆缓冲区溢出漏洞，可能导致变量和标签溢出。以下版本受到影响：7.4.0版本至7.7.0之前版本、7.0.0版本至7.3.1.3之前版本、6.1.0版本至6.1.之前版本、6.0.0版本至6.0.之前版本、5.3.0版本至5.3.之前版本和5.0.0版本至5.2.之前版本。
Possible ATT&CK Techniques 3 AI
T1059 · Command and Scripting Interpreter T1203 · Exploitation for Client Execution T1190 · Exploit Public-Facing ApplicationAffected Version Matrix 7
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| RTI | Connext Professional | 7.4.0< 7.7.0 |
affected |
7.0.0< 7.3.1.3 |
affected | ||
6.1.0< 6.1.* |
affected | ||
6.0.0< 6.0.* |
affected | ||
5.3.0< 5.3.* |
affected | ||
5.2.0< 5.2.* |
affected | ||
5.0.0< 5.1.* |
affected |
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I. Basic Information for CVE-2026-2467
Vulnerability Information
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Vulnerability Title
Heap-based Buffer Overflow vulnerability in RTI Connext Professional (Core Libraries) allows Overflow Variables and Tags.
Source: CVE Program / CVE List V5
Vulnerability Description
Heap-based Buffer Overflow vulnerability in RTI Connext Professional (Core Libraries) allows Overflow Variables and Tags. This issue affects Connext Professional: from 7.4.0 before 7.7.0, from 7.0.0 before 7.3.1.3, from 6.1.0 before 6.1.*, from 6.0.0 before 6.0.*, from 5.3.0 before 5.3.*, from 5.2.0 before 5.2.*, from 5.0.0 before 5.1.*.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:H/SC:N/SI:L/SA:H
Source: CVE Program / CVE List V5
Vulnerability Type
堆缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
RTI Connext Professional 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
RTI connext professional是美国RTI公司的一套实时数据通信中间件。 RTI Connext Professional存在缓冲区错误漏洞，该漏洞源于Core Libraries组件存在堆缓冲区溢出漏洞，可能导致变量和标签溢出。以下版本受到影响：7.4.0版本至7.7.0之前版本、7.0.0版本至7.3.1.3之前版本、6.1.0版本至6.1.*之前版本、6.0.0版本至6.0.*之前版本、5.3.0版本至5.3.*之前版本和5.0.0版本至5.2.*之前版本。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)
Affected Products
| Vendor | Product | Affected Versions | CPE | Subscribe |
|---|---|---|---|---|
| RTI | Connext Professional | 7.4.0 ~ 7.7.0 | - |
|
II. Public POCs for CVE-2026-2467
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Same Patch Batch · RTI · 2026-06-17 · 8 CVEs total
| CVE-2026-7300 | 8.8 HIGH | Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') vulnerability in RT |
| CVE-2026-30803 | 8.8 HIGH | Integer Underflow (Wrap or Wraparound) vulnerability in RTI Connext Micro (Core Libraries) |
| CVE-2026-30802 | 8.8 HIGH | Out-of-bounds Read vulnerability in RTI Connext Micro (Core Libraries) allows Overread Buf |
| CVE-2026-3894 | 8.2 HIGH | Out-of-bounds Read vulnerability in RTI Connext Professional (Core Libraries) allows Overr |
| CVE-2026-30799 | 6.1 MEDIUM | Missing Authentication for Critical Function vulnerability in RTI Connext Professional (Se |
| CVE-2026-2675 | 6.0 MEDIUM | Missing Authentication for Critical Function vulnerability in RTI Connext Professional (Se |
| CVE-2026-2674 | 4.8 MEDIUM | Out-of-bounds Write vulnerability in RTI Connext Professional (Queueing Service,Core Libra |
IV. Related Vulnerabilities
Same product: Connext Professional
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CVE-2026-18626
Out-of-bounds Read vulnerability in RTI Connext Professional -
CVE-2026-18462
Integer Overflow or Wraparound, Improper Access Control vuln -
CVE-2026-18461
Use of Externally-Controlled Format String vulnerability in -
CVE-2026-18459
Incorrect Calculation vulnerability in RTI Connext Professio -
CVE-2026-18460
Off-by-one Error, Out-of-bounds Write vulnerability in RTI C
Same vendor: RTI
-
CVE-2026-18626
Out-of-bounds Read vulnerability in RTI Connext Professional -
CVE-2026-18462
Integer Overflow or Wraparound, Improper Access Control vuln -
CVE-2026-18461
Use of Externally-Controlled Format String vulnerability in -
CVE-2026-18460
Off-by-one Error, Out-of-bounds Write vulnerability in RTI C -
CVE-2026-18459
Incorrect Calculation vulnerability in RTI Connext Professio
Same weakness: CWE-122
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CVE-2026-107651
Eog: eog: arbitrary code execution via heap buffer overflow -
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HP Sure Click Kernel Buffer Overflow -
CVE-2026-14269
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CVE-2026-105401
ImageMagick before 7.1.2-31 Heap Buffer Overflow in Distribu -
CVE-2026-14888
IBM DataPower Gateway Buffer Overflow
V. Comments for CVE-2026-2467
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