Alerts This Week
Warning Icon 1 680
Alerts This Week
Warning Icon 1 680

SUSE frr Important Access Control Issues Vulnerability 2026-2455-1

suse
Calendar Grey June 18, 2026
Dist Suse Esm H88
A security update for frr solves four issues with one feature. Install SUSE patch to enhance system security.
An update that solves four vulnerabilities and contains one feature can now be installed.

Summary

## 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

Topics%20covered

Topics Covered

security advisory SuSE access control important off-by-one frr

References

* bsc#1261013

* bsc#1263859

* bsc#1263863

* bsc#1263974

* jsc#PED-11089

Cross-

* 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

Severity
important
Lowest
Low
Medium
High
Critical

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

Topics%20covered

Topics Covered

security advisory SuSE access control important off-by-one frr

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.

Your message here