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SUSE SLES15 Security Update : frr (SUSE-SU-2026:2454-1)

low Nessus Plugin ID 321756

Synopsis

The remote SUSE host is missing one or more security updates.

Description

The remote SUSE Linux SLES15 / SLES_SAP15 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:2454-1 advisory.

 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).

Tenable has extracted the preceding description block directly from the SUSE security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

See Also

https://bugzilla.suse.com/1261013

https://bugzilla.suse.com/1263859

https://bugzilla.suse.com/1263863

https://bugzilla.suse.com/1263974

http://www.nessus.org/u?5694a243

https://www.suse.com/security/cve/CVE-2026-28532

https://www.suse.com/security/cve/CVE-2026-37457

https://www.suse.com/security/cve/CVE-2026-37458

https://www.suse.com/security/cve/CVE-2026-5107

Plugin Details

Severity: Low

ID: 321756

File Name: suse_SU-2026-2454-1.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 6/20/2026

Updated: 6/20/2026

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Low

Base Score: 3.6

Temporal Score: 2.7

Vector: CVSS2#AV:N/AC:H/Au:S/C:N/I:P/A:P

CVSS Score Source: CVE-2026-5107

CVSS v3

Risk Factor: Medium

Base Score: 4.2

Temporal Score: 3.7

Vector: CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:L

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

CVSS v4

Risk Factor: Low

Base Score: 2.3

Threat Score: 0.6

Threat Vector: CVSS:4.0/E:U

Vector: 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

Vulnerability Information

CPE: p-cpe:/a:novell:suse_linux:frr, p-cpe:/a:novell:suse_linux:libfrrzmq0, p-cpe:/a:novell:suse_linux:libfrrospfapiclient0, p-cpe:/a:novell:suse_linux:libfrr0, p-cpe:/a:novell:suse_linux:libfrrsnmp0, cpe:/o:novell:suse_linux:15, p-cpe:/a:novell:suse_linux:frr-devel, p-cpe:/a:novell:suse_linux:libfrrfpm_pb0, p-cpe:/a:novell:suse_linux:libmlag_pb0, p-cpe:/a:novell:suse_linux:libfrr_pb0, p-cpe:/a:novell:suse_linux:libfrrcares0

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/SuSE/release, Host/SuSE/rpm-list

Exploit Ease: No known exploits are available

Patch Publication Date: 6/18/2026

Vulnerability Publication Date: 3/30/2026

Reference Information

CVE: CVE-2026-28532, CVE-2026-37457, CVE-2026-37458, CVE-2026-5107

SuSE: SUSE-SU-2026:2454-1