Linux Distros Unpatched Vulnerability : CVE-2026-18727

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A flaw was found in open-iscsi's iscsiuio component. This vulnerability involves an integer underflow and out-of-bounds read during Dynamic Host Configuration...

CVE-2026-18728

A flaw was found in open-iscsi. An integer underflow vulnerability in the iscsiuio component, specifically during IPv4 Dynamic Host Configuration Protocol DHCP parsing, allows a remote attacker on the same local network segment to cause a denial of service. By sending a specially crafted IPv4/UDP...

Linux Distros Unpatched Vulnerability : CVE-2026-18728

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A flaw was found in open-iscsi. An integer underflow vulnerability in the iscsiuio component, specifically during IPv4 Dynamic Host Configuration Protocol DHCP...

iscsi-initiator-utils security, bug fix, and enhancement update

6.2.1.11-1.git4b3e853.0.1.el98.2 - iscsi validate interface IP against target address family Orabug: 39491394 - iscsi delay reconnect until interface has valid IP Orabug: 38441836 - Correct the typos in email addresses in changelog in OL9.5 Orabug: 37910459 - Change the order of restart iscsi...

iscsi-initiator-utils security, bug fix, and enhancement update

6.2.1.11-1.git4b3e853.0.1.el102.2 - Validate interface IP against target address family Orabug: 39491397 - iscsi delay reconnect until interface has valid IP Orabug: 38445491 - Change the order of restart iscsi services in spec file Orabug: 37749406 - Change the loglevel of logdebug message in...

AZL-95922 CVE-2026-18727 affecting package iscsi-initiator-utils 2.1.12-1

A flaw was found in open-iscsi's iscsiuio component. This vulnerability involves an integer underflow and out-of-bounds read during Dynamic Host Configuration Protocol for IPv6 DHCPv6 packet parsing. Specifically, crafted DHCPv6 Advertise traffic with a short User Datagram Protocol UDP length can...

DEBIAN-CVE-2026-18726

A flaw was found in open-iscsi. This vulnerability allows a remote attacker on the same local network segment to cause a Denial of Service DoS in the iscsiuio daemon. By sending a specially crafted Internet Control Message Protocol version 6 ICMPv6 Router Advertisement with a zero-length option,...

AZL-95925 CVE-2026-18726 affecting package iscsi-initiator-utils 2.1.12-1

A flaw was found in open-iscsi. This vulnerability allows a remote attacker on the same local network segment to cause a Denial of Service DoS in the iscsiuio daemon. By sending a specially crafted Internet Control Message Protocol version 6 ICMPv6 Router Advertisement with a zero-length option,...

DEBIAN-CVE-2026-18727

A flaw was found in open-iscsi's iscsiuio component. This vulnerability involves an integer underflow and out-of-bounds read during Dynamic Host Configuration Protocol for IPv6 DHCPv6 packet parsing. Specifically, crafted DHCPv6 Advertise traffic with a short User Datagram Protocol UDP length can...

CVE-2026-18726

A flaw was found in open-iscsi. This vulnerability allows a remote attacker on the same local network segment to cause a Denial of Service DoS in the iscsiuio daemon. By sending a specially crafted Internet Control Message Protocol version 6 ICMPv6 Router Advertisement with a zero-length option,...

CVE-2026-18727

A flaw was found in open-iscsi's iscsiuio component. This vulnerability involves an integer underflow and out-of-bounds read during Dynamic Host Configuration Protocol for IPv6 DHCPv6 packet parsing. Specifically, crafted DHCPv6 Advertise traffic with a short User Datagram Protocol UDP length can...

UBUNTU-CVE-2026-18726

A flaw was found in open-iscsi. This vulnerability allows a remote attacker on the same local network segment to cause a Denial of Service DoS in the iscsiuio daemon. By sending a specially crafted Internet Control Message Protocol version 6 ICMPv6 Router Advertisement with a zero-length option,...

UBUNTU-CVE-2026-18727

A flaw was found in open-iscsi's iscsiuio component. This vulnerability involves an integer underflow and out-of-bounds read during Dynamic Host Configuration Protocol for IPv6 DHCPv6 packet parsing. Specifically, crafted DHCPv6 Advertise traffic with a short User Datagram Protocol UDP length can...

CVE-2026-18726

A flaw was found in open-iscsi. This vulnerability allows a remote attacker on the same local network segment to cause a Denial of Service DoS in the iscsiuio daemon. By sending a specially crafted Internet Control Message Protocol version 6 ICMPv6 Router Advertisement with a zero-length option,...

CVE-2026-18727

A flaw was found in open-iscsi's iscsiuio component. This vulnerability involves an integer underflow and out-of-bounds read during Dynamic Host Configuration Protocol for IPv6 DHCPv6 packet parsing. Specifically, crafted DHCPv6 Advertise traffic with a short User Datagram Protocol UDP length can...

CVE-2026-18727

The connected CVE entries specify a bug in Open-iscsi (iscsiuio) where an integer underflow and out-of-bounds read occur during DHCPv6 parsing. Crafted DHCPv6 Advertise traffic with a short UDP length can underflow the DHCPv6 payload length, allowing an unauthenticated attacker on an adjacent net...

CVE-2026-18727 Open-iscsi: open-iscsi: integer underflow in iscsiuio dhcpv6 parsing

A flaw was found in open-iscsi's iscsiuio component. This vulnerability involves an integer underflow and out-of-bounds read during Dynamic Host Configuration Protocol for IPv6 DHCPv6 packet parsing. Specifically, crafted DHCPv6 Advertise traffic with a short User Datagram Protocol UDP length can...

CVE-2026-18727 Open-iscsi: open-iscsi: integer underflow in iscsiuio dhcpv6 parsing

A flaw was found in open-iscsi's iscsiuio component. This vulnerability involves an integer underflow and out-of-bounds read during Dynamic Host Configuration Protocol for IPv6 DHCPv6 packet parsing. Specifically, crafted DHCPv6 Advertise traffic with a short User Datagram Protocol UDP length can...

CVE-2026-18726 Open-iscsi: open-iscsi: denial of service in iscsiuio router advertisement parsing

A flaw was found in open-iscsi. This vulnerability allows a remote attacker on the same local network segment to cause a Denial of Service DoS in the iscsiuio daemon. By sending a specially crafted Internet Control Message Protocol version 6 ICMPv6 Router Advertisement with a zero-length option,...

CVE-2026-18726

The CVE-2026-18726 issue affects open-iscsi (iscsiuio daemon). A crafted ICMPv6 Router Advertisement with a zero-length option can cause an infinite loop, leading to sustained CPU usage and DoS on the daemon, impacting system availability. A secondary risk of out-of-bounds reads may occur with a ...