CVE-2023-28450 SUSE CVE security@suse.de SUSE Security Team SUSE CVE-2023-28450 Interim 1 31 2026-03-05T03:44:50Z current 2023-03-17T00:15:44Z 2026-03-05T03:44:50Z cve-database/bin/generate-cvrf-cve.pl 2020-12-27T01:00:00Z CVE-2023-28450 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 Flag Day 2020. The CVRF data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0). https://lists.suse.com/pipermail/sle-security-updates/2023-April/014536.html E-Mail link for SUSE-SU-2023:1930-1 https://lists.suse.com/pipermail/sle-security-updates/2023-May/014781.html E-Mail link for SUSE-SU-2023:2123-1 https://lists.suse.com/pipermail/sle-security-updates/2025-January/020094.html E-Mail link for SUSE-SU-2025:0071-1 https://lists.suse.com/pipermail/sle-security-updates/2025-June/021209.html E-Mail link for SUSE-SU-2025:20118-1 https://www.suse.com/support/security/rating/ SUSE Security Ratings Container suse/sl-micro/6.0/base-os-container:latest Container suse/sl-micro/6.0/toolbox:latest HPE Helion OpenStack 8 Image SL-Micro Image SLE-Micro Image SLE-Micro-Azure Image SLE-Micro-BYOS Image SLE-Micro-BYOS-Azure Image SLE-Micro-BYOS-EC2 Image SLE-Micro-BYOS-GCE Image SLE-Micro-EC2 Image SLE-Micro-GCE SUSE CaaS Platform 4.0 SUSE Enterprise Storage 7 SUSE Enterprise Storage 7.1 SUSE Liberty Linux 8 SUSE Liberty Linux 9 SUSE Linux Enterprise Module for Basesystem 15 SP4 SUSE Linux Enterprise Module for Basesystem 15 SP5 SUSE Linux Enterprise Module for Basesystem 15 SP6 SUSE Linux Enterprise Module for Basesystem 15 SP7 SUSE Linux Enterprise High Performance Computing 15 SP1-LTSS SUSE Linux Enterprise High Performance Computing 15 SP2-LTSS SUSE Linux Enterprise High Performance Computing 15 SP3-ESPOS SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS SUSE Linux Enterprise Module for Basesystem 15 SP4 SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS SUSE Linux Enterprise Module for Basesystem 15 SP5 SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOS SUSE Linux Enterprise High Performance Computing 15 SP5-LTSS SUSE Linux Enterprise Module for Basesystem 15 SP6 SUSE Linux Enterprise Module for Basesystem 15 SP7 SUSE Linux Enterprise Micro 5.1 SUSE Linux Enterprise Micro 5.2 SUSE Linux Enterprise Micro 5.3 SUSE Linux Enterprise Micro 5.4 SUSE Linux Enterprise Micro 5.5 SUSE Linux Enterprise Real Time 15 SP3 SUSE Linux Enterprise Server 11 SP3-TERADATA SUSE Linux Enterprise Server 12 SP2-BCL SUSE Linux Enterprise Server 12 SP3-TERADATA SUSE Linux Enterprise Server 12 SP4-ESPOS SUSE Linux Enterprise Server 12 SP4-LTSS SUSE Linux Enterprise Server 12 SP5 SUSE Linux Enterprise Server 15 SP1-LTSS SUSE Linux Enterprise Server 15 SP2-LTSS SUSE Linux Enterprise Server 15 SP3-LTSS SUSE Linux Enterprise Module for Basesystem 15 SP4 SUSE Linux Enterprise Server 15 SP4-LTSS SUSE Linux Enterprise Server 15 SP4-TERADATA SUSE Linux Enterprise Module for Basesystem 15 SP5 SUSE Linux Enterprise Server 15 SP5-LTSS SUSE Linux Enterprise Module for Basesystem 15 SP6 SUSE Linux Enterprise Module for Basesystem 15 SP7 SUSE Linux Enterprise Server 16.0 SUSE Linux Enterprise Server Teradata 12 SP3-LTSS SUSE Linux Enterprise Server for SAP Applications 12 SP4 SUSE Linux Enterprise Server for SAP Applications 12 SP5 SUSE Linux Enterprise Server for SAP Applications 15 SP1 SUSE Linux Enterprise Server for SAP Applications 15 SP2 SUSE Linux Enterprise Server for SAP Applications 15 SP3 SUSE Linux Enterprise Module for Basesystem 15 SP4 SUSE Linux Enterprise Server for SAP Applications 15 SP4 SUSE Linux Enterprise Module for Basesystem 15 SP5 SUSE Linux Enterprise Server for SAP Applications 15 SP5 SUSE Linux Enterprise Module for Basesystem 15 SP6 SUSE Linux Enterprise Module for Basesystem 15 SP7 SUSE Linux Micro 6.0 SUSE Linux Micro 6.1 SUSE Manager Proxy 4.2 SUSE Linux Enterprise Module for Basesystem 15 SP4 SUSE Manager Proxy 4.3 SUSE Manager Retail Branch Server 4.2 SUSE Linux Enterprise Module for Basesystem 15 SP4 SUSE Manager Retail Branch Server 4.3 SUSE Manager Server 4.2 SUSE Linux Enterprise Module for Basesystem 15 SP4 SUSE Manager Server 4.3 SUSE OpenStack Cloud 8 SUSE OpenStack Cloud 9 SUSE OpenStack Cloud Crowbar 8 SUSE OpenStack Cloud Crowbar 9 openSUSE Leap 15.6 openSUSE Leap Micro 5.2 openSUSE Leap Micro 5.5 openSUSE Tumbleweed dnsmasq dnsmasq-2.78-0.16.20.1 dnsmasq-2.78-18.21.1 dnsmasq-2.79-31.el8 dnsmasq-2.85-14.el9 dnsmasq-2.86-150100.7.23.1 dnsmasq-2.89-3.1 dnsmasq-2.90-1.1 dnsmasq-2.90-150400.16.3.1 dnsmasq-2.90-160000.2.2 dnsmasq-2.90-slfo.1.1_1.2 dnsmasq-utils-2.78-18.21.1 dnsmasq-utils-2.79-31.el8 dnsmasq-utils-2.85-14.el9 dnsmasq-utils-2.89-3.1 dnsmasq-utils-2.90-150400.16.3.1 dnsmasq-utils-2.90-160000.2.2 libzypp-17.37.11-slfo.1.1_1.1 libzypp-17.37.11-slfo.1.1_1.1 as a component of Container suse/sl-micro/6.0/base-os-container:latest libzypp-17.37.11-slfo.1.1_1.1 as a component of Container suse/sl-micro/6.0/toolbox:latest dnsmasq-utils-2.78-18.21.1 as a component of HPE Helion OpenStack 8 libzypp-17.37.11-slfo.1.1_1.1 as a component of Image SL-Micro libzypp-17.37.11-slfo.1.1_1.1 as a component of Image SLE-Micro libzypp-17.37.11-slfo.1.1_1.1 as a component of Image SLE-Micro-Azure libzypp-17.37.11-slfo.1.1_1.1 as a component of Image SLE-Micro-BYOS libzypp-17.37.11-slfo.1.1_1.1 as a component of Image SLE-Micro-BYOS-Azure libzypp-17.37.11-slfo.1.1_1.1 as a component of Image SLE-Micro-BYOS-EC2 libzypp-17.37.11-slfo.1.1_1.1 as a component of Image SLE-Micro-BYOS-GCE libzypp-17.37.11-slfo.1.1_1.1 as a component of Image SLE-Micro-EC2 libzypp-17.37.11-slfo.1.1_1.1 as a component of Image SLE-Micro-GCE dnsmasq-2.79-31.el8 as a component of SUSE Liberty Linux 8 dnsmasq-utils-2.79-31.el8 as a component of SUSE Liberty Linux 8 dnsmasq-2.85-14.el9 as a component of SUSE Liberty Linux 9 dnsmasq-utils-2.85-14.el9 as a component of SUSE Liberty Linux 9 dnsmasq-2.90-150400.16.3.1 as a component of SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS dnsmasq-2.90-150400.16.3.1 as a component of SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS dnsmasq-2.90-150400.16.3.1 as a component of SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOS dnsmasq-2.90-150400.16.3.1 as a component of SUSE Linux Enterprise High Performance Computing 15 SP5-LTSS dnsmasq-2.86-150100.7.23.1 as a component of SUSE Linux Enterprise Micro 5.1 dnsmasq-2.86-150100.7.23.1 as a component of SUSE Linux Enterprise Micro 5.2 dnsmasq-2.90-150400.16.3.1 as a component of SUSE Linux Enterprise Micro 5.3 dnsmasq-2.90-150400.16.3.1 as a component of SUSE Linux Enterprise Micro 5.4 dnsmasq-2.90-150400.16.3.1 as a component of SUSE Linux Enterprise Micro 5.5 dnsmasq-2.90-150400.16.3.1 as a component of SUSE Linux Enterprise Module for Basesystem 15 SP6 dnsmasq-2.90-150400.16.3.1 as a component of SUSE Linux Enterprise Module for Basesystem 15 SP7 dnsmasq-2.86-150100.7.23.1 as a component of SUSE Linux Enterprise Real Time 15 SP3 dnsmasq-2.78-0.16.20.1 as a component of SUSE Linux Enterprise Server 11 SP3-TERADATA dnsmasq-2.78-18.21.1 as a component of SUSE Linux Enterprise Server 12 SP3-TERADATA dnsmasq-2.78-18.21.1 as a component of SUSE Linux Enterprise Server 12 SP5 dnsmasq-2.90-150400.16.3.1 as a component of SUSE Linux Enterprise Server 15 SP4-LTSS dnsmasq-2.90-150400.16.3.1 as a component of SUSE Linux Enterprise Server 15 SP4-TERADATA dnsmasq-2.90-150400.16.3.1 as a component of SUSE Linux Enterprise Server 15 SP5-LTSS dnsmasq-2.90-160000.2.2 as a component of SUSE Linux Enterprise Server 16.0 dnsmasq-utils-2.90-160000.2.2 as a component of SUSE Linux Enterprise Server 16.0 dnsmasq-2.78-18.21.1 as a component of SUSE Linux Enterprise Server for SAP Applications 12 SP5 dnsmasq-2.90-150400.16.3.1 as a component of SUSE Linux Enterprise Server for SAP Applications 15 SP4 dnsmasq-2.90-150400.16.3.1 as a component of SUSE Linux Enterprise Server for SAP Applications 15 SP5 dnsmasq-2.90-1.1 as a component of SUSE Linux Micro 6.0 dnsmasq-2.90-slfo.1.1_1.2 as a component of SUSE Linux Micro 6.1 dnsmasq-2.90-150400.16.3.1 as a component of SUSE Manager Proxy 4.3 dnsmasq-2.90-150400.16.3.1 as a component of SUSE Manager Retail Branch Server 4.3 dnsmasq-2.90-150400.16.3.1 as a component of SUSE Manager Server 4.3 dnsmasq-utils-2.78-18.21.1 as a component of SUSE OpenStack Cloud 8 dnsmasq-utils-2.78-18.21.1 as a component of SUSE OpenStack Cloud 9 dnsmasq-utils-2.78-18.21.1 as a component of SUSE OpenStack Cloud Crowbar 8 dnsmasq-utils-2.78-18.21.1 as a component of SUSE OpenStack Cloud Crowbar 9 dnsmasq-2.90-150400.16.3.1 as a component of openSUSE Leap 15.6 dnsmasq-utils-2.90-150400.16.3.1 as a component of openSUSE Leap 15.6 dnsmasq-2.86-150100.7.23.1 as a component of openSUSE Leap Micro 5.2 dnsmasq-2.90-150400.16.3.1 as a component of openSUSE Leap Micro 5.5 dnsmasq-2.89-3.1 as a component of openSUSE Tumbleweed dnsmasq-utils-2.89-3.1 as a component of openSUSE Tumbleweed dnsmasq as a component of SUSE CaaS Platform 4.0 dnsmasq as a component of SUSE Enterprise Storage 7 dnsmasq as a component of SUSE Enterprise Storage 7.1 dnsmasq as a component of SUSE Linux Enterprise High Performance Computing 15 SP1-LTSS dnsmasq as a component of SUSE Linux Enterprise High Performance Computing 15 SP2-LTSS dnsmasq as a component of SUSE Linux Enterprise High Performance Computing 15 SP3-ESPOS dnsmasq as a component of SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS dnsmasq as a component of SUSE Linux Enterprise Module for Basesystem 15 SP4 dnsmasq as a component of SUSE Linux Enterprise Module for Basesystem 15 SP5 dnsmasq as a component of SUSE Linux Enterprise Server 12 SP2-BCL dnsmasq as a component of SUSE Linux Enterprise Server 12 SP4-ESPOS dnsmasq as a component of SUSE Linux Enterprise Server 12 SP4-LTSS dnsmasq as a component of SUSE Linux Enterprise Server 15 SP1-LTSS dnsmasq as a component of SUSE Linux Enterprise Server 15 SP2-LTSS dnsmasq as a component of SUSE Linux Enterprise Server 15 SP3-LTSS dnsmasq as a component of SUSE Linux Enterprise Server Teradata 12 SP3-LTSS dnsmasq as a component of SUSE Linux Enterprise Server for SAP Applications 12 SP4 dnsmasq as a component of SUSE Linux Enterprise Server for SAP Applications 12 SP5 dnsmasq as a component of SUSE Linux Enterprise Server for SAP Applications 15 SP1 dnsmasq as a component of SUSE Linux Enterprise Server for SAP Applications 15 SP2 dnsmasq as a component of SUSE Linux Enterprise Server for SAP Applications 15 SP3 dnsmasq as a component of SUSE Manager Proxy 4.2 dnsmasq as a component of SUSE Manager Retail Branch Server 4.2 dnsmasq as a component of SUSE Manager Server 4.2 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 Flag Day 2020. CVE-2023-28450 Container suse/sl-micro/6.0/base-os-container:latest:libzypp-17.37.11-slfo.1.1_1.1 Container suse/sl-micro/6.0/toolbox:latest:libzypp-17.37.11-slfo.1.1_1.1 HPE Helion OpenStack 8:dnsmasq-utils-2.78-18.21.1 Image SL-Micro:libzypp-17.37.11-slfo.1.1_1.1 Image SLE-Micro:libzypp-17.37.11-slfo.1.1_1.1 Image SLE-Micro-Azure:libzypp-17.37.11-slfo.1.1_1.1 Image SLE-Micro-BYOS:libzypp-17.37.11-slfo.1.1_1.1 Image SLE-Micro-BYOS-Azure:libzypp-17.37.11-slfo.1.1_1.1 Image SLE-Micro-BYOS-EC2:libzypp-17.37.11-slfo.1.1_1.1 Image SLE-Micro-BYOS-GCE:libzypp-17.37.11-slfo.1.1_1.1 Image SLE-Micro-EC2:libzypp-17.37.11-slfo.1.1_1.1 Image SLE-Micro-GCE:libzypp-17.37.11-slfo.1.1_1.1 SUSE Liberty Linux 8:dnsmasq-2.79-31.el8 SUSE Liberty Linux 8:dnsmasq-utils-2.79-31.el8 SUSE Liberty Linux 9:dnsmasq-2.85-14.el9 SUSE Liberty Linux 9:dnsmasq-utils-2.85-14.el9 SUSE Linux Enterprise High Performance Computing 15 SP4-ESPOS:dnsmasq-2.90-150400.16.3.1 SUSE Linux Enterprise High Performance Computing 15 SP4-LTSS:dnsmasq-2.90-150400.16.3.1 SUSE Linux Enterprise High Performance Computing 15 SP5-ESPOS:dnsmasq-2.90-150400.16.3.1 SUSE Linux Enterprise High Performance Computing 15 SP5-LTSS:dnsmasq-2.90-150400.16.3.1 SUSE Linux Enterprise Micro 5.1:dnsmasq-2.86-150100.7.23.1 SUSE Linux Enterprise Micro 5.2:dnsmasq-2.86-150100.7.23.1 SUSE Linux Enterprise Micro 5.3:dnsmasq-2.90-150400.16.3.1 SUSE Linux Enterprise Micro 5.4:dnsmasq-2.90-150400.16.3.1 SUSE Linux Enterprise Micro 5.5:dnsmasq-2.90-150400.16.3.1 SUSE Linux Enterprise Module for Basesystem 15 SP6:dnsmasq-2.90-150400.16.3.1 SUSE Linux Enterprise Module for Basesystem 15 SP7:dnsmasq-2.90-150400.16.3.1 SUSE Linux Enterprise Module for Open Buildservice Development Tools 15 SP7:dnsmasq-utils-2.90-150400.16.3.1 SUSE Linux Enterprise Real Time 15 SP3:dnsmasq-2.86-150100.7.23.1 SUSE Linux Enterprise Server 11 SP3-TERADATA:dnsmasq-2.78-0.16.20.1 SUSE Linux Enterprise Server 12 SP3-TERADATA:dnsmasq-2.78-18.21.1 SUSE Linux Enterprise Server 12 SP5:dnsmasq-2.78-18.21.1 SUSE Linux Enterprise Server 15 SP4-LTSS:dnsmasq-2.90-150400.16.3.1 SUSE Linux Enterprise Server 15 SP4-TERADATA:dnsmasq-2.90-150400.16.3.1 SUSE Linux Enterprise Server 15 SP5-LTSS:dnsmasq-2.90-150400.16.3.1 SUSE Linux Enterprise Server 16.0:dnsmasq-2.90-160000.2.2 SUSE Linux Enterprise Server 16.0:dnsmasq-utils-2.90-160000.2.2 SUSE Linux Enterprise Server for SAP Applications 12 SP5:dnsmasq-2.78-18.21.1 SUSE Linux Enterprise Server for SAP Applications 15 SP4:dnsmasq-2.90-150400.16.3.1 SUSE Linux Enterprise Server for SAP Applications 15 SP5:dnsmasq-2.90-150400.16.3.1 SUSE Linux Micro 6.0:dnsmasq-2.90-1.1 SUSE Linux Micro 6.1:dnsmasq-2.90-slfo.1.1_1.2 SUSE Manager Proxy 4.3:dnsmasq-2.90-150400.16.3.1 SUSE Manager Retail Branch Server 4.3:dnsmasq-2.90-150400.16.3.1 SUSE Manager Server 4.3:dnsmasq-2.90-150400.16.3.1 SUSE OpenStack Cloud 8:dnsmasq-utils-2.78-18.21.1 SUSE OpenStack Cloud 9:dnsmasq-utils-2.78-18.21.1 SUSE OpenStack Cloud Crowbar 8:dnsmasq-utils-2.78-18.21.1 SUSE OpenStack Cloud Crowbar 9:dnsmasq-utils-2.78-18.21.1 openSUSE Leap 15.6:dnsmasq-2.90-150400.16.3.1 openSUSE Leap 15.6:dnsmasq-utils-2.90-150400.16.3.1 openSUSE Leap Micro 5.2:dnsmasq-2.86-150100.7.23.1 openSUSE Leap Micro 5.5:dnsmasq-2.90-150400.16.3.1 openSUSE Tumbleweed:dnsmasq-2.89-3.1 openSUSE Tumbleweed:dnsmasq-utils-2.89-3.1 SUSE Linux Enterprise Module for Basesystem 15 SP4:dnsmasq SUSE Linux Enterprise Module for Basesystem 15 SP5:dnsmasq moderate 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N