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

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-2026-18727

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...

PT-2026-71332

Name of the Vulnerable Software and Affected Versions open-iscsi affected versions not specified Description A flaw in the iscsiuio component involves an integer underflow and out-of-bounds read during the parsing of Dynamic Host Configuration Protocol for IPv6 DHCPv6 packets. An unauthenticated...

LuCI DHCPv6 Cross Site Scripting

OpenWrt LuCI suffers from a cross site scripting vulnerability. An unauthenticated adjacent-network attacker can inject malicious HTML/JavaScript via DHCPv6 Client FQDN option 39. The hostname is stored by odhcpd and rendered unsafely via innerHTML in LuCI status tables. Exploit Title: LuCI DHCPv...

EulerOS 2.0 SP11 : dnsmasq (EulerOS-SA-2026-3119)

According to the versions of the dnsmasq packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : An information disclosure vulnerability in dnsmasq allows remote attackers to bypass source checks via a crafted DNS packet with RFC 7871 client...

EulerOS Virtualization 2.12.1 (EulerOS-SA-2026-2724)

According to the versions of the package installed, the EulerOS Virtualization installation on the remote host is affected by the following vulnerabilities : An information disclosure vulnerability in dnsmasq allows remote attackers to bypass source checks via a crafted DNS packet with RFC 7871...

Oracle Linux 10 : dnsmasq (ELSA-2026-19158)

The remote Oracle Linux 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-19158 advisory. - Prevent overflow in extractname function CVE-2026-2291 - Prevent DoS in DNSSEC validation CVE-2026-4890 - Prevent out-of-bounds read in DNSSEC...

dnsmasq security update

2.90-7 - Prevent overflow in extractname function CVE-2026-2291 - Prevent DoS in DNSSEC validation CVE-2026-4890 - Prevent out-of-bounds read in DNSSEC validation CVE-2026-4891 - Prevent out-of-bounds write in DHCPv6 server CVE-2026-4892 - Prevent source check avoidance by RFC 7871 client-subnet...

CVE-2026-62948

OpenWrt is a Linux operating system targeting embedded devices. Prior to 25.12.5, odhcpd writes a DHCPv6 client FQDN option 39 hostname into /tmp/odhcpd.leases through src/statefiles.c statefileswritestate6 and statefileswritestate4 without escaping, allowing newline injection of forged lease lin...

SUSE-SU-2026:3028-1 Security update for dnsmasq

This update for dnsmasq fixes the following issues - CVE-2026-12725: heap buffer overflow in logquery when logging unsupported DS/DNSKEY replies bsc1268764. - CVE-2026-12969: out-of-bounds read in findsoa due to missing extrabytes validation bsc1268882. Changes for dnsmasq: - Update to 2.93: Fix ...

EulerOS 2.0 SP10 : busybox (EulerOS-SA-2026-2641)

According to the versions of the busybox package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : BusyBox wget thru 1.3.7 accepted raw CR 0x0D/LF 0x0A and other C0 control bytes in the HTTP request- target path/query, allowing the request line ...

EulerOS 2.0 SP10 : dnsmasq (EulerOS-SA-2026-2645)

According to the versions of the dnsmasq packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : A heap-based out-of-bounds write vulnerability in the DHCPv6 implementation of dnsmasq allows local attackers to execute arbitrary code with root...

EulerOS 2.0 SP10 : dnsmasq (EulerOS-SA-2026-2685)

According to the versions of the dnsmasq packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : A heap-based out-of-bounds write vulnerability in the DHCPv6 implementation of dnsmasq allows local attackers to execute arbitrary code with root...

EulerOS 2.0 SP10 : busybox (EulerOS-SA-2026-2682)

According to the versions of the busybox packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : BusyBox wget thru 1.3.7 accepted raw CR 0x0D/LF 0x0A and other C0 control bytes in the HTTP request- target path/query, allowing the request line...

EulerOS 2.0 SP12 : dnsmasq (EulerOS-SA-2026-2524)

According to the versions of the dnsmasq packages installed, the EulerOS installation on the remote host is affected by the following vulnerabilities : An information disclosure vulnerability in dnsmasq allows remote attackers to bypass source checks via a crafted DNS packet with RFC 7871 client...

openSUSE 16 Security Update : dnsmasq (openSUSE-SU-2026:21192-1)

The remote openSUSE 16 host has packages installed that are affected by multiple vulnerabilities as referenced in the openSUSE-SU-2026:21192-1 advisory. This update for dnsmasq fixes the following issues Update to 2.93: - CVE-2026-12725: heap buffer overflow in logquery when logging unsupported...

RHEL 9 : dnsmasq (RHSA-2026:34508)

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:34508 advisory. The dnsmasq packages contain Dnsmasq, a lightweight DNS Domain Name Server forwarder and DHCP Dynamic Host Configuration Protocol server...

OPENSUSE-SU-2026:21192-1 Security update for dnsmasq

This update for dnsmasq fixes the following issues Update to 2.93: - CVE-2026-12725: heap buffer overflow in logquery when logging unsupported DS/DNSKEY replies bsc1268764. Changes for dnsmasq: CVE-2026-12725, bsc1268764: Heap buffer overflow in logquery when logging unsupported DS/DNSKEY replies...