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

SUSE frr Important DoS Attack Vulnerabilities Advisory 2026-2454-1

suse
Calendar Grey June 18, 2026
Dist Suse Esm H88
SUSE update addresses four important vulnerabilities in frr, crucial for system integrity, ensuring enhanced security and performance.
An update that solves four vulnerabilities can now be installed.

Summary

## This update for frr fixes the following issues Update to frr 8.5.7: * 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). DoS via a crafted UPDATE message (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: * openSUSE Leap 15.5 zypper in -t patch SUSE-2026-2454=1 * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5

Topics%20covered

Topics Covered

security advisory update SuSE DoS attack important frr

References

* bsc#1261013

* bsc#1263859

* bsc#1263863

* bsc#1263974

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-2026:2454-1
Release Date: 2026-06-18T14:02:42Z
Rating: important

Topics%20covered

Topics Covered

security advisory update SuSE DoS attack important frr

Get the latest News and Insights

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

Your message here