USN-8311-1: Dnsmasq vulnerability

Petr Menšík discovered that Dnsmasq incorrectly handled certain input in the dhcprelease utility. A local attacker could possibly use this issue to cause Dnsmasq to crash, resulting in a denial of service...

USN-8308-1 dnsmasq vulnerability

It was discovered that Dnsmasq incorrectly handled BOOTREPLY packets when configured with the --dhcp-split-relay option. A remote attacker could use this issue to cause Dnsmasq to crash, resulting in a denial of service, or possibly execute arbitrary code...

Important: dnsmasq

Issue Overview: A heap-based out-of-bounds write vulnerability in the DHCPv6 implementation of dnsmasq allows local attackers to execute arbitrary code with root privileges via a crafted DHCPv6 packet. CVE-2026-4892 An information disclosure vulnerability in dnsmasq allows remote attackers to...

Important: dnsmasq security update

The dnsmasq packages contain Dnsmasq, a lightweight DNS Domain Name Server forwarder and DHCP Dynamic Host Configuration Protocol server. Security Fixes: dnsmasq: dnsmasq: heap buffer overflow in cache via NAMEESCAPE expansion CVE-2026-2291 dnsmasq: NSEC bitmap parsing infinite loop CVE-2026-4890...

CVE-2026-9482

A vulnerability has been found in Edimax EW-7438RPn 1.31. This impacts the function formSDHCP of the file /goform/formSDHCP. Such manipulation of the argument submit-url leads to stack-based buffer overflow. The attack can be launched remotely. The exploit has been disclosed to the public and may...

Security update for busybox

This update for busybox fixes the following issue CVE-2026-29004: Heap buffer overflow vulnerability in the DHCPv6 client udhcpc6 DNSSERVERS option handler in networking/udhcp/d6dhcpc.c bsc1263989. Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like...

SUSE-SU-2026:2053-1 Security update for busybox

This update for busybox fixes the following issue - CVE-2026-29004: Heap buffer overflow vulnerability in the DHCPv6 client udhcpc6 DNSSERVERS option handler in networking/udhcp/d6dhcpc.c bsc1263989...

CVE-2026-9430

A vulnerability was determined in Tenda F1202 1.2.0.20408. Affected by this issue is the function formGstDhcpSetSer of the file /goform/GstDhcpSetSerof. Executing a manipulation of the argument dips can lead to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit...

CVE-2026-9430

A vulnerability was determined in Tenda F1202 1.2.0.20408. Affected by this issue is the function formGstDhcpSetSer of the file /goform/GstDhcpSetSerof. Executing a manipulation of the argument dips can lead to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit...

CVE-2026-9408

A vulnerability was detected in Totolink A8000RU 7.1cu.643b20200521. Affected by this issue is the function setStaticDhcpRules of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. The manipulation of the argument enable results in os command injection. The attack may be...

CVE-2026-9408 Totolink A8000RU Web Management cstecgi.cgi setStaticDhcpRules os command injection

A vulnerability was detected in Totolink A8000RU 7.1cu.643b20200521. Affected by this issue is the function setStaticDhcpRules of the file /cgi-bin/cstecgi.cgi of the component Web Management Interface. The manipulation of the argument enable results in os command injection. The attack may be...

PT-2026-43009

A vulnerability was determined in Tenda F1202 1.2.0.20408. Affected by this issue is the function formGstDhcpSetSer of the file /goform/GstDhcpSetSerof. Executing a manipulation of the argument dips can lead to stack-based buffer overflow. It is possible to launch the attack remotely. The exploit...

OESA-2026-2437 dnsmasq security update

Dnsmasq provides network infrastructure for small networks: DNS, DHCP, router advertisement and network boot. It is designed to be lightweight and have a small footprint, suitable for resource constrained routers and firewalls. It has also been widely used for tethering on smartphones and portabl...

OESA-2026-2436 dnsmasq security update

Dnsmasq provides network infrastructure for small networks: DNS, DHCP, router advertisement and network boot. It is designed to be lightweight and have a small footprint, suitable for resource constrained routers and firewalls. It has also been widely used for tethering on smartphones and portabl...

Astra Linux – Vulnerability in edk2

EDK2’s Network Package is vulnerable to a out-of-bounds read vulnerability when processing the IANA or IATA option in a DHCPv6 Advertise message. This vulnerability can be exploited by an attacker to gain unauthorized access and potentially lead to a loss of confidentiality...

Astra Linux – Vulnerability in edk2

EDK2’s Network Package is vulnerable to a buffer overflow vulnerability due to the long server ID option in DHCPv6 clients. This vulnerability can be exploited by an attacker to gain unauthorized access and may result in a loss of confidentiality, integrity, and/or availability...

Astra Linux – Vulnerability in Systemd

There is an exploitable denial-of-service vulnerability in Systemd 245. A specially crafted DHCP FORCERENEW packet can expose a server running the DHCP client to a DHCP ACK spoofing attack. An attacker can forge a pair of FORCERENEW and DCHP ACK packets to reconfigure the server...

Important: Red Hat Security Advisory: dnsmasq security update

An update for dnsmasq is now available for Red Hat Enterprise Linux 9. 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...

dnsmasq: DHCPv6 CLID buffer overflow in helper process

A heap buffer overflow was discovered in dnsmasq's DHCP script helper process. When processing DHCPv6 client identifiers CLIDs, the helper hex-encodes the raw CLID bytes into a fixed-size buffer without length validation. Since DHCPv6 CLIDs can be up to 65,535 bytes, a crafted DHCPv6 packet can...

[SECURITY] Fedora 44 Update: dnsmasq-2.92rel2-9.fc44

Dnsmasq is lightweight, easy to configure DNS forwarder and DHCP server. It is designed to provide DNS and, optionally, DHCP, to a small network. It can serve the names of local machines which are not in the global DNS. The DHCP server integrates with the DNS server and allows machines with...