SUSE alert SUSE-SU-2026:2455-1 (frr)

From:
             
 
SLE-SECURITY-UPDATES <null@suse.de>
To:
             
 
sle-security-updates@lists.suse.com
Subject:
             
 
SUSE-SU-2026:2455-1: important: Security update for frr
Date:
             
 
Thu, 18 Jun 2026 20:33:04 -0000
Message-ID:
             
 
<178181478472.960.14169055209587213055@036035d08e94>
# Security update for frr

Announcement ID: SUSE-SU-2026:2455-1  
Release Date: 2026-06-18T14:02:52Z  
Rating: important  
References:

  * bsc#1261013
  * bsc#1263859
  * bsc#1263863
  * bsc#1263974
  * jsc#PED-11089

  
Cross-References:

  * CVE-2026-28532
  * CVE-2026-37457
  * CVE-2026-37458
  * CVE-2026-5107

  
CVSS scores:

  * 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
  * 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
  * 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
  * 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
  * 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
  * 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
  * 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
  * 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
  * 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
  * 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
  * 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
  * 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
  * 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
  * 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

  
Affected Products:

  * SUSE Linux Enterprise High Performance Computing 12 SP5
  * SUSE Linux Enterprise Server 12 SP5
  * SUSE Linux Enterprise Server 12 SP5 LTSS
  * SUSE Linux Enterprise Server 12 SP5 LTSS Extended Security
  * 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

  * CVE-2026-5107: Fixed an improper access controls in EVPN Type-2 Route
    Handler (bsc#1261013).
  * CVE-2026-28532: Harden TE/SR TLV iteration against malformed lengths
    (bsc#1263859).
  * CVE-2026-37457: Fix off-by-one error in FlowSpec operator array bounds check
    (bsc#1263863).
  * 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:

  * SUSE Linux Enterprise Server 12 SP5 LTSS  
    zypper in -t patch SUSE-SLE-SERVER-12-SP5-LTSS-2026-2455=1

  * 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:

  * 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
  * 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:

  * https://www.suse.com/security/cve/CVE-2026-28532.html
  * https://www.suse.com/security/cve/CVE-2026-37457.html
  * https://www.suse.com/security/cve/CVE-2026-37458.html
  * https://www.suse.com/security/cve/CVE-2026-5107.html
  * https://bugzilla.suse.com/show_bug.cgi?id=1261013
  * https://bugzilla.suse.com/show_bug.cgi?id=1263859
  * https://bugzilla.suse.com/show_bug.cgi?id=1263863
  * https://bugzilla.suse.com/show_bug.cgi?id=1263974
  * https://jira.suse.com/browse/PED-11089



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