Security update for ovmf SUSE Patch security@suse.de SUSE Security Team SUSE-SU-2026:0196-1 Final 1 1 2026-01-21T09:05:26Z current 2026-01-21T09:05:26Z 2026-01-21T09:05:26Z cve-database/bin/generate-cvrf.pl 2017-02-24T01:00:00Z Security update for ovmf This update for ovmf fixes the following issues: - CVE-2023-45231: Fixed out of bounds read when handling a ND Redirect message with truncated options (bsc#1218881). - CVE-2023-45232: Fixed infinite loop when parsing unknown options in the Destination Options header (bsc#1218882). - CVE-2023-45233: Fixed infinite loop when parsing a PadN option in the Destination Options header (bsc#1218883). - CVE-2023-45234: Fixed buffer overflow when processing DNS Servers option in a DHCPv6 Advertise message (bsc#1218884). - CVE-2023-45235: Fixed buffer overflow when handling Server ID option from a DHCPv6 proxy Advertise message (bsc#1218885). The CVRF data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0). SUSE-2026-196,SUSE-SLE-SERVER-12-SP5-LTSS-2026-196,SUSE-SLE-SERVER-12-SP5-LTSS-EXTENDED-SECURITY-2026-196 Copyright SUSE LLC under the Creative Commons License 4.0 with Attribution (CC-BY-4.0) https://www.suse.com/support/update/announcement/2026/suse-su-20260196-1/ Link for SUSE-SU-2026:0196-1 https://lists.suse.com/pipermail/sle-security-updates/2026-January/023832.html E-Mail link for SUSE-SU-2026:0196-1 https://www.suse.com/support/security/rating/ SUSE Security Ratings https://bugzilla.suse.com/1218881 SUSE Bug 1218881 https://bugzilla.suse.com/1218882 SUSE Bug 1218882 https://bugzilla.suse.com/1218883 SUSE Bug 1218883 https://bugzilla.suse.com/1218884 SUSE Bug 1218884 https://bugzilla.suse.com/1218885 SUSE Bug 1218885 https://www.suse.com/security/cve/CVE-2023-45231/ SUSE CVE CVE-2023-45231 page https://www.suse.com/security/cve/CVE-2023-45232/ SUSE CVE CVE-2023-45232 page https://www.suse.com/security/cve/CVE-2023-45233/ SUSE CVE CVE-2023-45233 page https://www.suse.com/security/cve/CVE-2023-45234/ SUSE CVE CVE-2023-45234 page https://www.suse.com/security/cve/CVE-2023-45235/ SUSE CVE CVE-2023-45235 page SUSE Linux Enterprise Server 12 SP5-LTSS SUSE Linux Enterprise Server LTSS Extended Security 12 SP5 ovmf-2017+git1510945757.b2662641d5-3.55.1 ovmf-tools-2017+git1510945757.b2662641d5-3.55.1 qemu-ovmf-ia32-2017+git1510945757.b2662641d5-3.55.1 qemu-ovmf-x86_64-2017+git1510945757.b2662641d5-3.55.1 qemu-ovmf-x86_64-debug-2017+git1510945757.b2662641d5-3.55.1 qemu-uefi-aarch64-2017+git1510945757.b2662641d5-3.55.1 ovmf-2017+git1510945757.b2662641d5-3.55.1 as a component of SUSE Linux Enterprise Server 12 SP5-LTSS ovmf-tools-2017+git1510945757.b2662641d5-3.55.1 as a component of SUSE Linux Enterprise Server 12 SP5-LTSS qemu-ovmf-x86_64-2017+git1510945757.b2662641d5-3.55.1 as a component of SUSE Linux Enterprise Server 12 SP5-LTSS qemu-uefi-aarch64-2017+git1510945757.b2662641d5-3.55.1 as a component of SUSE Linux Enterprise Server 12 SP5-LTSS ovmf-2017+git1510945757.b2662641d5-3.55.1 as a component of SUSE Linux Enterprise Server LTSS Extended Security 12 SP5 ovmf-tools-2017+git1510945757.b2662641d5-3.55.1 as a component of SUSE Linux Enterprise Server LTSS Extended Security 12 SP5 qemu-ovmf-x86_64-2017+git1510945757.b2662641d5-3.55.1 as a component of SUSE Linux Enterprise Server LTSS Extended Security 12 SP5 EDK2's Network Package is susceptible to an out-of-bounds read vulnerability when processing Neighbor Discovery Redirect message. This vulnerability can be exploited by an attacker to gain unauthorized access and potentially lead to a loss of Confidentiality. CVE-2023-45231 SUSE Linux Enterprise Server 12 SP5-LTSS:ovmf-2017+git1510945757.b2662641d5-3.55.1 SUSE Linux Enterprise Server 12 SP5-LTSS:ovmf-tools-2017+git1510945757.b2662641d5-3.55.1 SUSE Linux Enterprise Server 12 SP5-LTSS:qemu-ovmf-x86_64-2017+git1510945757.b2662641d5-3.55.1 SUSE Linux Enterprise Server 12 SP5-LTSS:qemu-uefi-aarch64-2017+git1510945757.b2662641d5-3.55.1 SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:ovmf-2017+git1510945757.b2662641d5-3.55.1 SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:ovmf-tools-2017+git1510945757.b2662641d5-3.55.1 SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:qemu-ovmf-x86_64-2017+git1510945757.b2662641d5-3.55.1 important To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". https://www.suse.com/support/update/announcement/2026/suse-su-20260196-1/ https://www.suse.com/security/cve/CVE-2023-45231.html CVE-2023-45231 https://bugzilla.suse.com/1218881 SUSE Bug 1218881 EDK2's Network Package is susceptible to an infinite loop vulnerability when parsing unknown options in the Destination Options header of IPv6. This vulnerability can be exploited by an attacker to gain unauthorized access and potentially lead to a loss of Availability. CVE-2023-45232 SUSE Linux Enterprise Server 12 SP5-LTSS:ovmf-2017+git1510945757.b2662641d5-3.55.1 SUSE Linux Enterprise Server 12 SP5-LTSS:ovmf-tools-2017+git1510945757.b2662641d5-3.55.1 SUSE Linux Enterprise Server 12 SP5-LTSS:qemu-ovmf-x86_64-2017+git1510945757.b2662641d5-3.55.1 SUSE Linux Enterprise Server 12 SP5-LTSS:qemu-uefi-aarch64-2017+git1510945757.b2662641d5-3.55.1 SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:ovmf-2017+git1510945757.b2662641d5-3.55.1 SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:ovmf-tools-2017+git1510945757.b2662641d5-3.55.1 SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:qemu-ovmf-x86_64-2017+git1510945757.b2662641d5-3.55.1 important To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". https://www.suse.com/support/update/announcement/2026/suse-su-20260196-1/ https://www.suse.com/security/cve/CVE-2023-45232.html CVE-2023-45232 https://bugzilla.suse.com/1218882 SUSE Bug 1218882 EDK2's Network Package is susceptible to an infinite lop vulnerability when parsing a PadN option in the Destination Options header of IPv6. This vulnerability can be exploited by an attacker to gain unauthorized access and potentially lead to a loss of Availability. CVE-2023-45233 SUSE Linux Enterprise Server 12 SP5-LTSS:ovmf-2017+git1510945757.b2662641d5-3.55.1 SUSE Linux Enterprise Server 12 SP5-LTSS:ovmf-tools-2017+git1510945757.b2662641d5-3.55.1 SUSE Linux Enterprise Server 12 SP5-LTSS:qemu-ovmf-x86_64-2017+git1510945757.b2662641d5-3.55.1 SUSE Linux Enterprise Server 12 SP5-LTSS:qemu-uefi-aarch64-2017+git1510945757.b2662641d5-3.55.1 SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:ovmf-2017+git1510945757.b2662641d5-3.55.1 SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:ovmf-tools-2017+git1510945757.b2662641d5-3.55.1 SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:qemu-ovmf-x86_64-2017+git1510945757.b2662641d5-3.55.1 important To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". https://www.suse.com/support/update/announcement/2026/suse-su-20260196-1/ https://www.suse.com/security/cve/CVE-2023-45233.html CVE-2023-45233 https://bugzilla.suse.com/1218883 SUSE Bug 1218883 EDK2's Network Package is susceptible to a buffer overflow vulnerability when processing DNS Servers option from a DHCPv6 Advertise message. This vulnerability can be exploited by an attacker to gain unauthorized access and potentially lead to a loss of Confidentiality, Integrity and/or Availability. CVE-2023-45234 SUSE Linux Enterprise Server 12 SP5-LTSS:ovmf-2017+git1510945757.b2662641d5-3.55.1 SUSE Linux Enterprise Server 12 SP5-LTSS:ovmf-tools-2017+git1510945757.b2662641d5-3.55.1 SUSE Linux Enterprise Server 12 SP5-LTSS:qemu-ovmf-x86_64-2017+git1510945757.b2662641d5-3.55.1 SUSE Linux Enterprise Server 12 SP5-LTSS:qemu-uefi-aarch64-2017+git1510945757.b2662641d5-3.55.1 SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:ovmf-2017+git1510945757.b2662641d5-3.55.1 SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:ovmf-tools-2017+git1510945757.b2662641d5-3.55.1 SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:qemu-ovmf-x86_64-2017+git1510945757.b2662641d5-3.55.1 important To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". https://www.suse.com/support/update/announcement/2026/suse-su-20260196-1/ https://www.suse.com/security/cve/CVE-2023-45234.html CVE-2023-45234 https://bugzilla.suse.com/1218884 SUSE Bug 1218884 EDK2's Network Package is susceptible to a buffer overflow vulnerability when handling Server ID option from a DHCPv6 proxy Advertise message. This vulnerability can be exploited by an attacker to gain unauthorized access and potentially lead to a loss of Confidentiality, Integrity and/or Availability. CVE-2023-45235 SUSE Linux Enterprise Server 12 SP5-LTSS:ovmf-2017+git1510945757.b2662641d5-3.55.1 SUSE Linux Enterprise Server 12 SP5-LTSS:ovmf-tools-2017+git1510945757.b2662641d5-3.55.1 SUSE Linux Enterprise Server 12 SP5-LTSS:qemu-ovmf-x86_64-2017+git1510945757.b2662641d5-3.55.1 SUSE Linux Enterprise Server 12 SP5-LTSS:qemu-uefi-aarch64-2017+git1510945757.b2662641d5-3.55.1 SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:ovmf-2017+git1510945757.b2662641d5-3.55.1 SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:ovmf-tools-2017+git1510945757.b2662641d5-3.55.1 SUSE Linux Enterprise Server LTSS Extended Security 12 SP5:qemu-ovmf-x86_64-2017+git1510945757.b2662641d5-3.55.1 important To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch". https://www.suse.com/support/update/announcement/2026/suse-su-20260196-1/ https://www.suse.com/security/cve/CVE-2023-45235.html CVE-2023-45235 https://bugzilla.suse.com/1218885 SUSE Bug 1218885