CVE-2026-8834: CWE-122 Heap-based Buffer Overflow in IBM HTTP Server
IBM HTTP Server 8.5, and 9.0 contains a buffer overflow vulnerability. A privileged user, authenticated to the Administration Server, could exploit this vulnerability to execute remote code or cause a denial of service.
AI Analysis
Technical Summary
CVE-2026-8834 is a heap-based buffer overflow vulnerability in IBM HTTP Server versions 8.5.0 and 9.0. The vulnerability allows a privileged user, authenticated to the Administration Server, to potentially execute arbitrary code remotely or cause a denial of service condition. The CVSS 3.1 base score is 8.0, reflecting high impact on confidentiality, integrity, and availability. No vendor advisory or patch information is currently available, and the vulnerability is not related to a cloud service.
Potential Impact
Successful exploitation could lead to remote code execution or denial of service by a privileged authenticated user. This could compromise the server's confidentiality, integrity, and availability. There are no known exploits in the wild at this time.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, restrict privileged access to the Administration Server and monitor for suspicious activity related to administration functions.
CVE-2026-8834: CWE-122 Heap-based Buffer Overflow in IBM HTTP Server
Description
IBM HTTP Server 8.5, and 9.0 contains a buffer overflow vulnerability. A privileged user, authenticated to the Administration Server, could exploit this vulnerability to execute remote code or cause a denial of service.
CVSS v3.1
Score 8.0high
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-8834 is a heap-based buffer overflow vulnerability in IBM HTTP Server versions 8.5.0 and 9.0. The vulnerability allows a privileged user, authenticated to the Administration Server, to potentially execute arbitrary code remotely or cause a denial of service condition. The CVSS 3.1 base score is 8.0, reflecting high impact on confidentiality, integrity, and availability. No vendor advisory or patch information is currently available, and the vulnerability is not related to a cloud service.
Potential Impact
Successful exploitation could lead to remote code execution or denial of service by a privileged authenticated user. This could compromise the server's confidentiality, integrity, and availability. There are no known exploits in the wild at this time.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, restrict privileged access to the Administration Server and monitor for suspicious activity related to administration functions.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- ibm
- Date Reserved
- 2026-05-18T14:08:39.363Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a15e03d891d628fdc67d997
Added to database: 5/26/2026, 6:02:37 PM
Last enriched: 5/26/2026, 6:17:44 PM
Last updated: 5/26/2026, 9:49:10 PM
Views: 5
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