Goal Reached Thanks to every supporter — we hit 100%!

Goal: 1000 CNY · Raised: 1336 CNY

100%
Buy Us a Coffee

CVE-2026-18102— IBM i Buffer Overflow

Quick assessment

Affected
IBM i
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.

IBM i是美国IBM公司的一款适用于IBM power服务器的操作系统。 IBM i 7.6版本、7.5版本、7.4版本和7.3版本存在缓冲区错误漏洞，该漏洞源于边界检查期间存在整数下溢问题，可能导致远程认证攻击者覆盖相邻内存。

CVSS 3.5 · Low EPSS 0.23% · P14

Possible ATT&CK Techniques 1 AI

T1190 · Exploit Public-Facing Application

Affected Version Matrix 4

VendorProduct Version RangeStatus
IBM i 7.6 affected
7.5 affected
7.4 affected
7.3 affected
Get alerts for future matching vulnerabilities Log in to subscribe

I. Basic Information for CVE-2026-18102

Vulnerability Information
Have questions about the vulnerability? See if Shenlong's analysis helps!
View Shenlong Deep Dive ↗

Although we use advanced large model technology, its output may still contain inaccurate or outdated information.Shenlong tries to ensure data accuracy, but please verify and judge based on the actual situation.

Vulnerability Title
IBM i Buffer Overflow
Source: CVE Program / CVE List V5
Vulnerability Description
IBM i 7.6, 7.5, 7.4, and 7.3 could allow a remote authenticated attacker to overwrite adjacent memory due to an integer underflow during bounds checking.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
堆缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
IBM i 缓冲区错误漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
IBM i是美国IBM公司的一款适用于IBM power服务器的操作系统。 IBM i 7.6版本、7.5版本、7.4版本和7.3版本存在缓冲区错误漏洞，该漏洞源于边界检查期间存在整数下溢问题，可能导致远程认证攻击者覆盖相邻内存。
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
IBM i 7.6 cpe:2.3:o:ibm:i:7.6:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-18102

# POC Description Source Link Shenlong Link
AI-Generated POC Premium

No public POC found.

Login to generate AI POC

III. Intelligence Information for CVE-2026-18102

请登录查看更多情报信息。

Vendor Pages for CVE-2026-18102 (1)

Same Patch Batch · IBM · 2026-08-19 · 107 CVEs total

CVE-2026-15068 9.9 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-16816 9.9 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-16894 9.8 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-16882 9.8 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-16919 9.8 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-16917 9.8 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-16862 9.8 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-16864 9.8 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-16913 9.8 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-16834 9.8 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-16885 9.8 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-16845 9.8 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-16872 9.8 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-16656 9.8 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-16840 9.8 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-16903 9.6 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-16835 9.6 CRITICAL Power System Improper Certificate Validation
CVE-2026-16687 9.6 CRITICAL Power System Buffer Overflow
CVE-2026-16839 9.4 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS
CVE-2026-16822 9.3 CRITICAL Vulnerabilities in IBM AIX and PowerVM VIOS

Showing top 20 of 107 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: i
Same vendor: IBM
Same weakness: CWE-122

V. Comments for CVE-2026-18102

No comments yet

Leave a comment