ESB-2026.6835

=========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2026.6835 Security update for frr 19 June 2026 =========================================================================== AUSCERT Security Bulletin Summary --------------------------------- Product: frr Publisher: SUSE Operating System: SUSE Resolution: Patch/Upgrade CVE Names: CVE-2026-37458 CVE-2026-5107 CVE-2026-28532 CVE-2026-37457 Original Bulletin: https://www.suse.com/support/update/announcement/2026/suse-su-20262455-1 Comment: CVSS (Max): 7.5 CVE-2026-37457 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H) CVSS Source: SUSE Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H EPSS (Max): 0.3% (19th) CVE-2026-5107 2026-06-18 - --------------------------BEGIN INCLUDED TEXT-------------------- Security update for frr Announcement ID: SUSE-SU-2026:2455-1 Release Date: 2026-06-18T14:02:52Z Rating: important o bsc#1261013 o bsc#1263859 References: o bsc#1263863 o bsc#1263974 o jsc#PED-11089 o CVE-2026-28532 o CVE-2026-37457 Cross-References: o CVE-2026-37458 o CVE-2026-5107 o CVE-2026-28532 ( SUSE ): 6.0 CVSS:4.0/AV:A/AC:L/AT:P/PR:N /UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/ MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/ MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X o CVE-2026-28532 ( SUSE ): 6.5 CVSS:3.1/AV:A/AC:L/PR:N/UI:N /S:U/C:N/I:N/A:H o CVE-2026-28532 ( NVD ): 6.0 CVSS:4.0/AV:A/AC:L/AT:P/PR:N/ UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/ MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/ MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X o CVE-2026-28532 ( NVD ): 6.5 CVSS:3.1/AV:A/AC:L/PR:N/UI:N/ S:U/C:N/I:N/A:H o CVE-2026-37457 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N /S:U/C:N/I:N/A:H o CVE-2026-37457 ( NVD ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/ S:U/C:N/I:N/A:H o CVE-2026-37458 ( SUSE ): 7.1 CVSS:4.0/AV:N/AC:L/AT:N/PR:L /UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N CVSS scores: o CVE-2026-37458 ( SUSE ): 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N /S:U/C:N/I:N/A:H o CVE-2026-37458 ( NVD ): 6.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:N/ S:U/C:N/I:N/A:H o CVE-2026-5107 ( SUSE ): 2.3 CVSS:4.0/AV:N/AC:H/AT:N/PR:L/ UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/ MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/ MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X o CVE-2026-5107 ( SUSE ): 4.2 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/ S:U/C:N/I:L/A:L o CVE-2026-5107 ( NVD ): 2.3 CVSS:4.0/AV:N/AC:H/AT:N/PR:L/ UI:N/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/ MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/ MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X o CVE-2026-5107 ( NVD ): 4.2 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/ S:U/C:N/I:L/A:L o CVE-2026-5107 ( NVD ): 4.2 CVSS:3.1/AV:N/AC:H/PR:L/UI:N/ S:U/C:N/I:L/A:L o SUSE Linux Enterprise High Performance Computing 12 SP5 o SUSE Linux Enterprise Server 12 SP5 Affected o SUSE Linux Enterprise Server 12 SP5 LTSS Products: o SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security o SUSE Linux Enterprise Server for SAP Applications 12 SP5 An update that solves four vulnerabilities and contains one feature can now be installed. Description: This update for frr fixes the following issues o CVE-2026-5107: Fixed an improper access controls in EVPN Type-2 Route Handler (bsc#1261013). o CVE-2026-28532: Harden TE/SR TLV iteration against malformed lengths (bsc# 1263859). o CVE-2026-37457: Fix off-by-one error in FlowSpec operator array bounds check (bsc#1263863). o CVE-2026-37458: Validate MP_REACH_NLRI attribute against incorrect next-hop (bsc#1263974). 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: o SUSE Linux Enterprise Server 12 SP5 LTSS zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-2026-2455=1 o SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-EXTENDED-SECURITY-2026-2455= 1 Package List: o SUSE Linux Enterprise Server 12 SP5 LTSS (aarch64 ppc64le s390x x86_64) frr-debuginfo-8.5.7-8.16.1 libfrrcares0-8.5.7-8.16.1 libfrrospfapiclient0-debuginfo-8.5.7-8.16.1 libfrrsnmp0-8.5.7-8.16.1 libfrrospfapiclient0-8.5.7-8.16.1 frr-debugsource-8.5.7-8.16.1 libfrr0-debuginfo-8.5.7-8.16.1 frr-devel-8.5.7-8.16.1 libfrrcares0-debuginfo-8.5.7-8.16.1 frr-8.5.7-8.16.1 libfrrsnmp0-debuginfo-8.5.7-8.16.1 libfrr0-8.5.7-8.16.1 o SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security (x86_64) frr-debuginfo-8.5.7-8.16.1 libfrrcares0-8.5.7-8.16.1 libfrrospfapiclient0-debuginfo-8.5.7-8.16.1 libfrrsnmp0-8.5.7-8.16.1 libfrrospfapiclient0-8.5.7-8.16.1 frr-debugsource-8.5.7-8.16.1 libfrr0-debuginfo-8.5.7-8.16.1 frr-devel-8.5.7-8.16.1 libfrrcares0-debuginfo-8.5.7-8.16.1 frr-8.5.7-8.16.1 libfrrsnmp0-debuginfo-8.5.7-8.16.1 libfrr0-8.5.7-8.16.1 References: o https://www.suse.com/security/cve/CVE-2026-28532.html o https://www.suse.com/security/cve/CVE-2026-37457.html o https://www.suse.com/security/cve/CVE-2026-37458.html o https://www.suse.com/security/cve/CVE-2026-5107.html o https://bugzilla.suse.com/show_bug.cgi?id=1261013 o https://bugzilla.suse.com/show_bug.cgi?id=1263859 o https://bugzilla.suse.com/show_bug.cgi?id=1263863 o https://bugzilla.suse.com/show_bug.cgi?id=1263974 o https://jira.suse.com/browse/PED-11089 - --------------------------END INCLUDED TEXT---------------------- You have received this e-mail bulletin as a result of your organisation's registration with AUSCERT. 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