EUVD-2026-57715

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...

CVE-2026-18728

CVE-2026-18728 refers to an integer underflow in the open-iscsi iscsiuio component during IPv4 DHCP parsing. The flaw allows a remote attacker on the same L2 network to send a crafted DHCP reply that triggers an out-of-bounds read, crashing the iscsiuio process and potentially denying service on ...

EUVD-2026-57637

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...

EUVD-2026-57636

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-2026-18726

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 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

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-2026-18726

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 ...

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,...

kernel: scsi: target: iscsi: Bound iscsi_encode_text_output() appends to rsp_buf

A flaw was found in the Linux kernel's iSCSI Internet Small Computer System Interface target functionality. This vulnerability, a heap overrun, occurs because the iscsiencodetextoutput function does not properly check buffer capacity when processing login requests. A remote attacker could exploit...

Important: Red Hat Security Advisory: kernel security, bug fix, and enhancement update

An update for kernel is now available for Red Hat Enterprise Linux 10. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from t...

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

An update is available for iscsi-initiator-utils. This update affects Rocky Linux 10. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The iscsi-initiator-utils packages provide the server daemon f...

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

An update is available for iscsi-initiator-utils. This update affects Rocky Linux 9. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list The iscsi-initiator-utils packages provide the server daemon fo...

open-iscsi: open-iscsi: Privilege Escalation via Path Traversal

A flaw was found in open-iscsi. This vulnerability, known as Path Traversal, allows remote Man-in-the-Middle MITM attackers to manipulate file paths. By doing so, attackers can create files with root privileges outside the intended database and inject malicious content into system records. This...

open-iscsi: open-iscsi: Authentication bypass in iscsiuio control socket

A flaw was found in open-iscsi. An incorrect authorization vulnerability allows unprivileged local users to bypass authentication for the iscsiuio control socket. This enables unauthorized access to the control socket, potentially leading to system compromise or disruption of iSCSI Internet Small...

Important: Red Hat Security Advisory: iscsi-initiator-utils security, bug fix, and enhancement update

An update for iscsi-initiator-utils is now available for Red Hat Enterprise Linux 10. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each...

open-isns: open-iscsi: Denial of Service via double-free in iSNS attribute decoder

A flaw was found in open-iscsi. An unauthenticated man-in-the-middle MITM attacker can exploit a double-free vulnerability in the iSNS attribute decoder. This can lead to a denial of service DoS condition, making the affected system unavailable...

open-isns: open-iscsi: Denial of Service via double-free in iSNS attribute decoder

A flaw was found in open-iscsi. An unauthenticated man-in-the-middle MITM attacker can exploit a double-free vulnerability in the iSNS attribute decoder. This can lead to a denial of service DoS condition, making the affected system unavailable...

open-isns: open-iscsi: Denial of Service via double-free in iSNS attribute decoder

A flaw was found in open-iscsi. An unauthenticated man-in-the-middle MITM attacker can exploit a double-free vulnerability in the iSNS attribute decoder. This can lead to a denial of service DoS condition, making the affected system unavailable...