SUSE alert openSUSE-SU-2026:20898-1 (frr)

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openSUSE-SU-2026:20898-1: important: Security update for frr
Date:
             
 
Fri, 05 Jun 2026 17:51:28 +0200
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<20260605155128.1CB28FCF8@maintenance.suse.de>
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Article
openSUSE security update: security update for frr
-------------------------------------------------------------

Announcement ID: openSUSE-SU-2026:20898-1
Rating: important
References:

  * bsc#1261013
  * bsc#1263859
  * bsc#1263863
  * bsc#1263974



Cross-References:

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



CVSS scores:

  * 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 ( SUSE ): 6
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-2026-37457 ( SUSE ): 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  * CVE-2026-37458 ( 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 ( 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-2026-5107 ( 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 ( 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

Affected Products:

         openSUSE Leap 16.0

-------------------------------------------------------------

An update that solves 4 vulnerabilities and has 4 bug fixes 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 openSUSE security 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 16.0

   zypper in -t patch openSUSE-Leap-16.0-884=1

Package List:

- openSUSE Leap 16.0:

  frr-10.2.6-160000.1.1
  frr-devel-10.2.6-160000.1.1
  libfrr0-10.2.6-160000.1.1
  libfrr_pb0-10.2.6-160000.1.1
  libfrrcares0-10.2.6-160000.1.1
  libfrrfpm_pb0-10.2.6-160000.1.1
  libfrrospfapiclient0-10.2.6-160000.1.1
  libfrrsnmp0-10.2.6-160000.1.1
  libfrrzmq0-10.2.6-160000.1.1
  libmgmt_be_nb0-10.2.6-160000.1.1

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