frr 10.4.1-3ubuntu1.4: frr 10.4.1-3ubuntu1.4 for Ubuntu 25.10 (questing)

frr 10.4.1-3ubuntu1.4, released May 4, 2026, fixes 4 CVEs in frr. None of them is reported as exploited. Patch Radar priority: High. The product is no longer supported.

HighUnsupported product

CVEs closed

None rated Critical

Exploited

None reported

Highest CVSS

7.5

Base score, 0 to 10

Highest EPSS

0.0039

33rd percentile

Priority of the 4 CVEs

Patch now 0
                                Urgent 0
                                High 2
                                Routine 2

Fixed package versions

Product	Release	Fixed in
frr	Ubuntu 25.10 (questing)	10.4.1-3ubuntu1.4

CVEs this fix closes

Priority	CVE	Title	CVSS	EPSS	Exploitation
High	CVE-2026-37457	An off-by-one out-of-bounds write vulnerability in the bgp_flowspec_op_decode() function (bgpd/bgp_flowspec_util.c) of FRRouting (FRR) stable/10.0 allows attackers to cause a Denial of Service (DoS) via supplying a crafted FlowSpec component.	7.5	0.0039	None reported
High	CVE-2026-37459	An integer underflow in FRRouting (FRR) stable/10.0 to stable/10.6 allows attackers to cause a Denial of Service (DoS) via supplying a crafted BGP UPDATE message.	7.5	0.0037	None reported
Routine	CVE-2026-37458	Missing input validation in the MP_REACH_NLRI component of FRRouting (FRR) stable/10.0 to stable/10.6 allows authenticated attackers to cause a Denial of Service (DoS) via supplying a crafted UPDATE message.	6.5	0.0025	None reported
Routine	CVE-2026-28532	frr: Harden TE/SR TLV iteration against malformed lengths (bsc#1263859).	n/a	0.0023	None reported

Also fixes CVE-2026-37457

SUSE-SU-2026:2457-1
frr on sles 15.7
SUSE-SU-2026:2454-1
frr on sles 15.6
SUSE-SU-2026:22026-1
frr on sles 16.0
frr 10.5.1-1ubuntu4.1
frr on Ubuntu 26.04.1 LTS (resolute)
frr-pythontools 10.4.1-3ubuntu1.4
frr-pythontools on Ubuntu 25.10 (questing)
frr-pythontools 10.5.1-1ubuntu4.1
frr-pythontools on Ubuntu 26.04.1 LTS (resolute)
frr-rpki-rtrlib 10.4.1-3ubuntu1.4
frr-rpki-rtrlib on Ubuntu 25.10 (questing)
frr-rpki-rtrlib 10.5.1-1ubuntu4.1
frr-rpki-rtrlib on Ubuntu 26.04.1 LTS (resolute)

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