CVE-2026-8834

High

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.

SeverityHigh
CVSS8.0
Exploit probability—
ProductIbm Http Server
PublishedMay 26, 2026
First seenMay 26, 2026
Weakness typeCWE-122CWE-122

How to fix

Update
  • ibm http_server8.5.5.30, 9.0.5.29 or later

Affected products

ProductAffected versionsFixed in
ibm http_server8.5.0.0 ≤ v < 8.5.5.30, 9.0.0.0 ≤ v < 9.0.5.298.5.5.30, 9.0.5.29

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