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HIGH · 8.0

CVE-2026-8834

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...

Vulnerability 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 Score

8.0

HIGH

CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
ADJACENT_NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
IbmHttp Server>= 8.5.0.0, < 8.5.5.30
IbmAix-
IbmZ\/Os-
LinuxLinux Kernel-
MicrosoftWindows-

Related Weaknesses (CWE)

CWE-122

References

FAQ

What is CVE-2026-8834?

CVE-2026-8834 is a vulnerability with a CVSS score of 8.0 (HIGH). 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...

How severe is CVE-2026-8834?

CVE-2026-8834 has been rated HIGH with a CVSS base score of 8.0/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-8834?

Check the references section above for vendor advisories and patch information. Affected products include: Ibm Http Server, Ibm Aix, Ibm Z\/Os, Linux Linux Kernel, Microsoft Windows.