Amazon Linux 2023 : dnsmasq, dnsmasq-utils (ALAS2023-2026-3223)

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2026-3223 advisory. Amazon Linuxvended DNS resolvers shipped with an older DNSSEC root signing key. For hosts configured with DNSSEC validation enabled, this could result in DNS resolution failures, including for names in...

AlmaLinux 9.2 [TuxCare] Security Update: dnsmasq / dnsmasq-utils (ALMALINUX9.2:CLSA-2025:1744628407)

The AlmaLinux 9.2 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.2:CLSA-2025:1744628407 advisory. - An issue was discovered in Dnsmasq before 2.90. The default maximum EDNS.0 UDP packet size was set to 4096 but should be 1232 because of DN...

Rocky Linux 8.6 [CIQ] Security Update: dnsmasq / dnsmasq-debuginfo / dnsmasq-debugsource / dnsmasq-utils / etc Multiple Vulnerabilities (ciqsa-2026_1467)

The Rocky Linux 8.6 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ ciqsa-20261467 advisory. This advisory aggregates security fixes for the dnsmasq SRPM in CIQ LTS 8.6. It addresses 7 CVEs: CVE-2026-4892, CVE-2023-50387, CVE-2026-4891,...

AlmaLinux 9.2 [TuxCare] Security Update: dnsmasq / dnsmasq-utils (ALMALINUX9.2:CLSA-2026:1784645899)

The AlmaLinux 9.2 host has packages installed that are affected by a vulnerability as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1784645899 advisory. - A heap-based buffer overflow was found in dnsmasq. When DNSSEC validation and query logging are both enabled, logging of DS or DNSKEY repli...

Rocky Linux 9.6 [CIQ] Security Update: dnsmasq / dnsmasq-debuginfo / dnsmasq-debugsource / dnsmasq-utils / etc Multiple Vulnerabilities (ciqsa-2026_1352)

The Rocky Linux 9.6 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ ciqsa-20261352 advisory. This advisory aggregates security fixes for the dnsmasq SRPM in CIQ LTS 9.6. It addresses 18 CVEs: CVE-2020-25681, CVE-2022-0934, CVE-2026-4892,...

AlmaLinux 9.2 [TuxCare] Security Update: dnsmasq / dnsmasq-utils Multiple Vulnerabilities (ALMALINUX9.2:CLSA-2025:1745269163)

The AlmaLinux 9.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.2:CLSA-2025:1745269163 advisory. - Certain DNSSEC aspects of the DNS protocol in RFC 4033, 4034, 4035, 6840, and related RFCs allow remote attackers to cause a denia...

CentOS Linux 7.9 [CIQ] Security Update: dnsmasq / dnsmasq-debuginfo / dnsmasq-utils Multiple Vulnerabilities (ciqsa-2026_1468)

The CentOS Linux 7.9 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ ciqsa-20261468 advisory. This advisory aggregates security fixes for the dnsmasq SRPM in CIQ CentOS Bridge 7.9. It addresses 5 CVEs: CVE-2022-0934, CVE-2026-4892, CVE-2026-4891,...

Rocky Linux 9.6 [CIQ] Security Update: dnsmasq / dnsmasq-debuginfo / dnsmasq-debugsource / dnsmasq-utils / etc Multiple Vulnerabilities (ciqsa-2026_1462)

The Rocky Linux 9.6 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ ciqsa-20261462 advisory. This advisory aggregates security fixes for the dnsmasq SRPM in CIQ LTS 9.6. It addresses 3 CVEs: CVE-2026-4890, CVE-2026-2291, CVE-2026-4893. Tenable ha...

Rocky Linux 8.6 [CIQ] Security Update: dnsmasq / dnsmasq-debuginfo / dnsmasq-debugsource / dnsmasq-utils / etc Multiple Vulnerabilities (ciqsa-2026_0034)

The Rocky Linux 8.6 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ ciqsa-20260034 advisory. This advisory aggregates security fixes for the dnsmasq SRPM in CIQ LTS 8.6. It addresses 20 CVEs: CVE-2020-25681, CVE-2022-0934, CVE-2023-50387,...

Rocky Linux 9.2 [CIQ] Security Update: dnsmasq / dnsmasq-debuginfo / dnsmasq-debugsource / dnsmasq-utils / etc Multiple Vulnerabilities (ciqsa-2026_0407)

The Rocky Linux 9.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ ciqsa-20260407 advisory. This advisory aggregates security fixes for the dnsmasq SRPM in CIQ LTS 9.2. It addresses 18 CVEs: CVE-2020-25681, CVE-2022-0934, CVE-2023-50387,...

CentOS Linux 7 [TuxCare] Security Update: dnsmasq / dnsmasq-utils Multiple Vulnerabilities (CENTOS7:CLSA-2026:1779294291)

The CentOS Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare CENTOS7:CLSA-2026:1779294291 advisory. - A Denial of Service DoS vulnerability in the DNSSEC validation of dnsmasq allows remote attackers to cause a denial of service via a...

AlmaLinux 9.2 [TuxCare] Security Update: dnsmasq / dnsmasq-utils Multiple Vulnerabilities (ALMALINUX9.2:CLSA-2026:1779455055)

The AlmaLinux 9.2 host has packages installed that are affected by multiple vulnerabilities as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1779455055 advisory. - dnsmasqs extractname function can be abused to cause a heap buffer overflow, allowing an attacker to inject false DNS cache entrie...

CentOS Linux 7 [TuxCare] Security Update: dnsmasq / dnsmasq-utils (CENTOS7:CLSA-2024:1720179161)

The CentOS Linux 7 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS7:CLSA-2024:1720179161 advisory. - An issue was discovered in Dnsmasq before 2.90. The default maximum EDNS.0 UDP packet size was set to 4096 but should be 1232 because of DNS Fl...

CentOS Linux 7 [TuxCare] Security Update: dnsmasq / dnsmasq-utils (CENTOS7:CLSA-2026:1778157268)

The CentOS Linux 7 host has packages installed that are affected by a vulnerability as referenced in the TuxCare CENTOS7:CLSA-2026:1778157268 advisory. - A single-byte, non-arbitrary write/use-after-free flaw was found in dnsmasq. This flaw allows an attacker who sends a crafted packet processed ...

DEBIAN-CVE-2020-37127

Dnsmasq-utils 2.79-1 contains a buffer overflow vulnerability in the dhcprelease utility that allows attackers to cause a denial of service by supplying excessive input. Attackers can trigger a core dump and terminate the dhcprelease process by sending a crafted input string longer than 16...

CVE-2020-37127 dnsmasq-utils 2.79-1 - 'dhcp_release' Denial of Service

Dnsmasq-utils 2.79-1 contains a buffer overflow vulnerability in the dhcprelease utility that allows attackers to cause a denial of service by supplying excessive input. Attackers can trigger a core dump and terminate the dhcprelease process by sending a crafted input string longer than 16...

CVE-2020-37127

Dnsmasq-utils 2.79-1 contains a buffer overflow vulnerability in the dhcprelease utility that allows attackers to cause a denial of service by supplying excessive input. Attackers can trigger a core dump and terminate the dhcprelease process by sending a crafted input string longer than 16...

dnsmasq-utils security vulnerabilities

DNSmasq-utils is a supplementary toolkit developed for the open-source DNSmasq system. Version 2.79-1 of DNSmasq-utils contains a security vulnerability, which stems from a buffer overflow in the dhcprelease tool. This vulnerability could lead to a denial-of-service attack...

CVE-2020-37127: Stack-based Buffer Overflow

Dnsmasq-utils 2.79-1 contains a buffer overflow vulnerability in the dhcprelease utility that allows attackers to cause a denial of service by supplying excessive input. Attackers can trigger a core dump and terminate the dhcprelease process by sending a crafted input string longer than 16...

Amazon Linux 2023 : dnsmasq, dnsmasq-utils (ALAS2023-2024-552)

It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2023-2024-552 advisory. Certain DNSSEC aspects of the DNS protocol in RFC 4035 and related RFCs allow remote attackers to cause a denial of service CPU consumption via one or more DNSSEC responses when there is a zone...