SUSE-SU-2026:2974-1 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 ...

CVE-2026-61876

LuCI versions fail to properly encode DHCPv6 lease hostnames before rendering in status tables, allowing adjacent network attackers to inject HTML markup. Attackers can send a DHCPv6 Client FQDN containing script tags that execute in the administrator's browser when viewing DHCP lease pages...

CVE-2026-61876 LuCI DHCPv6 Lease Hostname Stored Cross-Site Scripting

LuCI versions fail to properly encode DHCPv6 lease hostnames before rendering in status tables, allowing adjacent network attackers to inject HTML markup. Attackers can send a DHCPv6 Client FQDN containing script tags that execute in the administrator's browser when viewing DHCP lease pages...

EulerOS 2.0 SP12 : busybox (EulerOS-SA-2026-2581)

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...

SUSE-SU-2026:22496-1 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...

CVE-2026-56114

dhcpcd through 10.3.2, fixed in commit 2f00c7b, contains a one-byte stack out-of-bounds write vulnerability in dhcp6makemessage in src/dhcp6.c that allows unauthenticated same-link attackers to write beyond a fixed local buffer by serializing an oversized RFC6603 OPTIONPDEXCLUDE option body...

CVE-2026-56115

CVE-2026-56115 is associated with a one-byte stack out-of-bounds write in dhcpcd up to 10.3.2, due to a malformed DHCPv6 OPTION_PD_EXCLUDE in dhcp6_makemessage() that an unauthenticated same-link attacker can trigger via DHCPv6 ADVERTISE with IA_PD /0. An attacker can corrupt adjacent stack memor...

EUVD-2026-38491

dhcpcd through 10.3.2, fixed in commit 5733d3c, contains a heap use-after-free vulnerability that allows unauthenticated same-link attackers to crash the daemon by sending a crafted DHCPv6 RENEW reply with RFC6603 OPTIONPDEXCLUDE and both preferred and valid lifetimes set to zero. Attackers actin...

SUSE SLES12 Security Update : busybox (SUSE-SU-2026:2069-1)

The remote SUSE Linux SLES12 host has a package installed that is affected by a vulnerability as referenced in the SUSE- SU-2026:2069-1 advisory. This update for busybox fixes the following issue - CVE-2026-29004: a crafted DHCPv6 response can lead to a heap buffer overflow in the DHCPv6 client...

Amazon Linux 2 : dnsmasq, --advisory ALAS2DNSMASQ-2026-004 (ALASDNSMASQ-2026-004)

The version of dnsmasq installed on the remote host is prior to 2.90-1. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2DNSMASQ-2026-004 advisory. A Denial of Service DoS vulnerability in the DNSSEC validation of dnsmasq allows remote attackers to cause a denial o...

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...

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...

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...

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...

CVE-2026-4892

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...

ALPINE-CVE-2026-4892

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

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

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...