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openSUSE 15.5 openvswitch3 Moderate Memory Issue CVE-2026-34956

An update that solves one vulnerability can now be installed.. # Security update for openvswitch3 Announcement ID: SUSE-SU-2026:1440-1 Release Date: 2026-04-17T13:44:11Z Rating: moderate References: * bsc#1261273 Cross-References: * CVE-2026-34956 CVSS scores: * CVE-2026-34956 ( SUSE ): 8.2 CVSS:4.0/AV:N/AC:H/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N * CVE-2026-34956 ( SUSE ): 5.9 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H Affected Products: * openSUSE Leap 15.5 * SUSE Linux Enterprise Micro 5.5 An update that solves one vulnerability can now be installed. ## Description: This update for openvswitch3 fixes the following issues: * CVE-2026-34956: invalid memory access via crafted FTP payloads in userspace conntrack flows specifying the FTP alg handler (bsc#1261273). ## Patch Instructions: To install this SUSE update use the SUSE recommended installation methods like YaST online_update or "zypper patch". Alternatively you can run the command listed for your product: * openSUSE Leap 15.5 zypper in -t patch SUSE-2026-1440=1 * SUSE Linux Enterprise Micro 5.5 zypper in -t patch SUSE-SLE-Micro-5.5-2026-1440=1 ## Package List: * openSUSE Leap 15.5 (aarch64 ppc64le s390x x86_64 i586) * openvswitch3-pki-3.1.7-150500.3.28.1 * ovn3-host-debuginfo-23.03.3-150500.3.28.1 * openvswitch3-vtep-debuginfo-3.1.7-150500.3.28.1 * ovn3-devel-23.03.3-150500.3.28.1 * openvswitch3-test-debuginfo-3.1.7-150500.3.28.1 * openvswitch3-ipsec-3.1.7-150500.3.28.1 * ovn3-23.03.3-150500.3.28.1 * python3-ovs3-3.1.7-150500.3.28.1 * openvswitch3-debuginfo-3.1.7-150500.3.28.1 * ovn3-central-debuginfo-23.03.3-150500.3.28.1 * openvswitch3-test-3.1.7-150500.3.28.1 * ovn3-central-23.03.3-150500.3.28.1 * openvswitch3-3.1.7-150500.3.28.1 * openvswitch3-debugsource-3.1.7-150500.3.28.1 * libovn-23_03-0-debuginfo-23.03.3-150500.3.28.1 * ovn3-vtep-23.03.3-150500.3.28.1 *ovn3-vtep-debuginfo-23.03.3-150500.3.28.1 * libopenvswitch-3_1-0-3.1.7-150500.3.28.1 * openvswitch3-devel-3.1.7-150500.3.28.1 * openvswitch3-vtep-3.1.7-150500.3.28.1 * ovn3-docker-23.03.3-150500.3.28.1 * libovn-23_03-0-23.03.3-150500.3.28.1 * libopenvswitch-3_1-0-debuginfo-3.1.7-150500.3.28.1 * ovn3-host-23.03.3-150500.3.28.1 * ovn3-debuginfo-23.03.3-150500.3.28.1 * openSUSE Leap 15.5 (noarch) * ovn3-doc-23.03.3-150500.3.28.1 * openvswitch3-doc-3.1.7-150500.3.28.1 * SUSE Linux Enterprise Micro 5.5 (aarch64 ppc64le s390x x86_64) * openvswitch3-debuginfo-3.1.7-150500.3.28.1 * ovn3-central-debuginfo-23.03.3-150500.3.28.1 * openvswitch3-pki-3.1.7-150500.3.28.1 * libopenvswitch-3_1-0-3.1.7-150500.3.28.1 * ovn3-debuginfo-23.03.3-150500.3.28.1 * ovn3-docker-23.03.3-150500.3.28.1 * libovn-23_03-0-23.03.3-150500.3.28.1 * ovn3-vtep-23.03.3-150500.3.28.1 * python3-ovs3-3.1.7-150500.3.28.1 * ovn3-host-debuginfo-23.03.3-150500.3.28.1 * libopenvswitch-3_1-0-debuginfo-3.1.7-150500.3.28.1 * ovn3-central-23.03.3-150500.3.28.1 * ovn3-host-23.03.3-150500.3.28.1 * openvswitch3-vtep-debuginfo-3.1.7-150500.3.28.1 * openvswitch3-3.1.7-150500.3.28.1 * openvswitch3-debugsource-3.1.7-150500.3.28.1 * libovn-23_03-0-debuginfo-23.03.3-150500.3.28.1 * openvswitch3-vtep-3.1.7-150500.3.28.1 * ovn3-vtep-debuginfo-23.03.3-150500.3.28.1 * ovn3-23.03.3-150500.3.28.1 ## References: * https://www.suse.com/security/cve/CVE-2026-34956.html * https://bugzilla.suse.com/show_bug.cgi?id=1261273 . Update for openvswitch3 resolves a moderate memory access issue, critical for openSUSE users to install promptly.. openvswitch update, openSUSE security, moderate risk patch. . LinuxSecurity.com Team

Apr 17, 2026 SuSE