CVE-2026-115484 Open-iscsi: open-iscsi: dhcpv4 option parser heap out-of-bounds read in iscsiuio parse_msg
- Exploited in the wild
- Not known
- Fix
- None listed
What is CVE-2026-115484?
CVE-2026-115484 is a high-severity vulnerability in Red Hat Enterprise Linux 10, published on 23 Oct 2026.
Official description
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.
Weakness: CWE-125
Which versions are affected by CVE-2026-115484?
How do I fix CVE-2026-115484?
No fix has been published for CVE-2026-115484 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-115484 being exploited?
There is no known exploitation of CVE-2026-115484 in the wild and no public exploit code.
Sources
Also known as AZL-111395, DEBIAN-CVE-2026-115484, GHSA-phc9-9w6c-6974, UBUNTU-CVE-2026-115484.