What is CVE-2026-115484?

CVE-2026-115484 is a high-severity vulnerability in Red Hat Enterprise Linux 10, classified under Out-of-bounds Read. CVSS score: 7.6/10. Published 2026-10-23.

How severe is CVE-2026-115484?

High severity. CVSS v3 base score is 7.6 out of 10.

Out-of-bounds Read in Red Hat Enterprise Linux 10

CVE-2026-115484

A flaw was found in the iscsiuio component of open-iscsi. The DHCPv4 option parser incorrectly calculates the length of the options data, causing it to read beyond the allocated buffer into adjacent heap memory. An attacker on the same network segment can send a crafted DHCP response to crash the daemon or corrupt its network configuration.

Vulnerability class: Buffer Overflow

Published 2026-10-23 · last modified 2026-10-23.

CVSS v3 metric

CVSS v3 base score 7.6 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

References

access.redhat.com/security/cve/CVE-2026-115484 (vdb-entry)
bugzilla.redhat.com/show_bug.cgi (issue-tracking)

Frequently asked questions

What is CVE-2026-115484?: CVE-2026-115484 is a high-severity vulnerability in Red Hat Enterprise Linux 10, classified under Out-of-bounds Read. CVSS score: 7.6/10. Published 2026-10-23.
How severe is CVE-2026-115484?: High severity. CVSS v3 base score is 7.6 out of 10.