CVE-2026-8834: IBM HTTP Server is affected by multiple vulnerabilities
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.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
IBM HTTP Server (System z) 8.5to a version that resolves this vulnerability.Fixed in 8.5.5.30Patch PH71265 - Upgrade
Upgrade
IBM HTTP Server (System z) 9.0to a version that resolves this vulnerability.Fixed in 9.0.5.29Patch PH71265
Event History
Frequently Asked Questions
What is the severity of CVE-2026-8834?
CVE-2026-8834 has a severity rating of high, with a CVSS score of 8.
How do I fix CVE-2026-8834?
To fix CVE-2026-8834, apply the currently available interim fix or fix pack that contains the fix for APAR PH71265.
What type of vulnerability is CVE-2026-8834?
CVE-2026-8834 is a buffer overflow vulnerability affecting IBM HTTP Server.
Who is affected by CVE-2026-8834?
CVE-2026-8834 affects privileged users authenticated to the Administration Server of IBM HTTP Server versions 8.5 and 9.0.
What could happen if CVE-2026-8834 is exploited?
Exploitation of CVE-2026-8834 could allow remote code execution or cause a denial of service.