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CVE-2026-37459

Medium priority
Needs evaluation

(An integer underflow in FRRouting (FRR) stable/10.0 to stable/10.6 all ...)

2 affected packages

frr, quagga

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
frr Needs evaluation Needs evaluation Needs evaluation Needs evaluation
quagga Not in release Not in release Not in release Needs evaluation Needs evaluation
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CVE-2026-37457

Medium priority
Needs evaluation

(An off-by-one out-of-bounds write vulnerability in the bgp_flowspec_op ...)

2 affected packages

frr, quagga

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
frr Needs evaluation Needs evaluation Needs evaluation Needs evaluation
quagga Not in release Not in release Not in release Needs evaluation Needs evaluation
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CVE-2026-28532

Medium priority
Needs evaluation

(FRRouting before 10.5.3 contains an integer overflow vulnerability in ...)

2 affected packages

frr, quagga

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
frr Needs evaluation Needs evaluation Needs evaluation Needs evaluation
quagga Not in release Not in release Not in release Needs evaluation Needs evaluation
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CVE-2026-5107

Medium priority

Some fixes available 4 of 8

A vulnerability has been found in FRRouting FRR up to 10.5.1. This affects the function process_type2_route of the file bgpd/bgp_evpn.c of the component EVPN Type-2 Route Handler. The manipulation leads to improper access...

2 affected packages

frr, quagga

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
frr Vulnerable Fixed Fixed Fixed
quagga Not in release Not in release Not in release Needs evaluation Needs evaluation
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CVE-2025-61107

Medium priority

Some fixes available 4 of 9

FRRouting/frr from v4.0 through v10.4.1 was discovered to contain a NULL pointer dereference via the show_vty_ext_pref_pref_sid function at ospf_ext.c. This vulnerability allows attackers to cause a Denial of Service (DoS) via a...

2 affected packages

frr, quagga

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
frr Fixed Fixed Fixed Vulnerable
quagga Not in release Not in release Not in release Vulnerable Vulnerable
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CVE-2025-61106

Medium priority

Some fixes available 4 of 9

FRRouting/frr from v4.0 through v10.4.1 was discovered to contain a NULL pointer dereference via the show_vty_ext_pref_pref_sid function at ospf_ext.c. This vulnerability allows attackers to cause a Denial of Service (DoS) via a...

2 affected packages

frr, quagga

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
frr Fixed Fixed Fixed Vulnerable
quagga Not in release Not in release Not in release Vulnerable Vulnerable
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CVE-2025-61104

Medium priority

Some fixes available 4 of 9

FRRouting/frr from v4.0 through v10.4.1 was discovered to contain a NULL pointer dereference via the show_vty_unknown_tlv function at ospf_ext.c. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted...

2 affected packages

frr, quagga

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
frr Fixed Fixed Fixed Vulnerable
quagga Not in release Not in release Not in release Vulnerable Vulnerable
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CVE-2025-61103

Medium priority

Some fixes available 4 of 9

FRRouting/frr from v4.0 through v10.4.1 was discovered to contain a NULL pointer dereference via the show_vty_ext_link_lan_adj_sid function at ospf_ext.c. This vulnerability allows attackers to cause a Denial of Service (DoS) via...

2 affected packages

quagga, frr

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
quagga Not in release Not in release Not in release Vulnerable Vulnerable
frr Fixed Fixed Fixed Vulnerable
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CVE-2025-61105

Medium priority

Some fixes available 4 of 9

FRRouting/frr from v4.0 through v10.4.1 was discovered to contain a NULL pointer dereference via the show_vty_link_info function at ospf_ext.c. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted...

2 affected packages

quagga, frr

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
quagga Not in release Not in release Not in release Vulnerable Vulnerable
frr Fixed Fixed Fixed Vulnerable
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CVE-2025-61102

Medium priority

Some fixes available 4 of 9

FRRouting/frr from v4.0 through v10.4.1 was discovered to contain a NULL pointer dereference via the show_vty_ext_link_adj_sid function at ospf_ext.c. This vulnerability allows attackers to cause a Denial of Service (DoS) via a...

2 affected packages

frr, quagga

Package 26.04 LTS 24.04 LTS 22.04 LTS 20.04 LTS 18.04 LTS
frr Fixed Fixed Fixed Vulnerable
quagga Not in release Not in release Not in release Vulnerable Vulnerable
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