Alerts This Week
Warning Icon 1 625
Alerts This Week
Warning Icon 1 625

openSUSE Frr Important DoS Access Control Issues Vuln 2026-2454-1

opensuse
Calendar Grey June 18, 2026
Dist Opensuse Esm H88
Critical security updates for openSUSE's frr address four significant vulnerabilities, including access control weaknesses and DoS risks.
An update that solves four vulnerabilities can now be installed.

Description

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).

Topics%20covered

Topics Covered

security advisory access control DoS important OpenSUSE frr

Patch

## 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

zypper in -t patch SUSE-SLE-Product-HPC-15-SP5-LTSS-2026-2454=1

* SUSE Linux Enterprise Server 15 SP5 LTSS

zypper in -t patch SUSE-SLE-Product-SLES-15-SP5-LTSS-2026-2454=1

* SUSE Linux Enterprise Server 15 SP6 LTSS

zypper in -t patch SUSE-SLE-Product-SLES-15-SP6-LTSS-2026-2454=1

* SUSE Linux Enterprise Server for SAP Applications 15 SP5

zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP5-2026-2454=1

* SUSE Linux Enterprise Server for SAP Applications 15 SP6

zypper in -t patch SUSE-SLE-Product-SLES_SAP-15-SP6-2026-2454=1

* Server Applications Module 15-SP7

zypper in -t patch SUSE-SLE-Module-Server-Applications-15-SP7-2026-2454=1

* SUSE Linux Enterprise High Performance Computing ESPOS...

Read the Full Advisory

Package List

* openSUSE Leap 15.5 (aarch64 ppc64le s390x x86_64 i586)

* libmlag_pb0-debuginfo-8.5.7-150500.4.43.1

* frr-debugsource-8.5.7-150500.4.43.1

* libfrrfpm_pb0-debuginfo-8.5.7-150500.4.43.1

* libfrr0-debuginfo-8.5.7-150500.4.43.1

* libfrrzmq0-8.5.7-150500.4.43.1

* libfrrospfapiclient0-8.5.7-150500.4.43.1

* libfrrsnmp0-debuginfo-8.5.7-150500.4.43.1

* libfrrcares0-debuginfo-8.5.7-150500.4.43.1

* libfrr_pb0-debuginfo-8.5.7-150500.4.43.1

* libfrrfpm_pb0-8.5.7-150500.4.43.1

* libfrrospfapiclient0-debuginfo-8.5.7-150500.4.43.1

* frr-8.5.7-150500.4.43.1

* libmlag_pb0-8.5.7-150500.4.43.1

* libfrrsnmp0-8.5.7-150500.4.43.1

* libfrr_pb0-8.5.7-150500.4.43.1

* frr-debuginfo-8.5.7-150500.4.43.1

* libfrrcares0-8.5.7-150500.4.43.1

* frr-devel-8.5.7-150500.4.43.1

* libfrr0-8.5.7-150500.4.43.1

* libfrrzmq0-debuginfo-8.5.7-150500.4.43.1

* SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 (aarch64

x86_64)

* libmlag_pb0-debuginfo-8.5.7-150500.4.43.1

* frr-debugsource-8.5.7-150500.4.43.1

*...

Read the Full Advisory

References

* bsc#1261013

* bsc#1263859

* bsc#1263863

* bsc#1263974

## 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

Severity
important
Lowest
Low
Medium
High
Critical

Announcement ID: SUSE-SU-2026:2454-1
Release Date: 2026-06-18T14:02:42Z
Affected Products: * openSUSE Leap 15.5 * Server Applications Module 15-SP7 * SUSE Linux Enterprise High Performance Computing 15 SP5 * SUSE Linux Enterprise High Performance Computing ESPOS 15 SP5 * SUSE Linux Enterprise High Performance Computing LTSS 15 SP5 * SUSE Linux Enterprise Real Time 15 SP7 * SUSE Linux Enterprise Server 15 SP5 * SUSE Linux Enterprise Server 15 SP5 LTSS * SUSE Linux Enterprise Server 15 SP6 * SUSE Linux Enterprise Server 15 SP6 LTSS * SUSE Linux Enterprise Server 15 SP7 * SUSE Linux Enterprise Server for SAP Applications 15 SP5 * SUSE Linux Enterprise Server for SAP Applications 15 SP6 * SUSE Linux Enterprise Server for SAP Applications 15 SP7

Topics%20covered

Topics Covered

security advisory access control DoS important OpenSUSE frr

Get the latest News and Insights

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

Your message here