How many CVEs have patched bgp_attr_nhc?

1 published CVEs changed bgp_attr_nhc in frrouting/frr, in 1 distinct patches totalling 4 changed lines, between 2026 and 2026.

What is the latest CVE that changed bgp_attr_nhc?

CVE-2026-37459, published 2026-05-04, changed lines 3890 of bgpd/bgp_attr.c.

How does bgp_attr_nhc compare to the rest of frrouting/frr?

frrouting/frr has 36 CVEs with a located fix in total; 1 of them changed bgp_attr_nhc.

What do the line numbers refer to?

Line numbers are in the fixed version of the file, as the upstream patch left it. A CVE whose fix was backported to several branches is listed once, with the lines from the upstream commit.

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Bgp_attr_nhc

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Patched Functions
Frrouting
Frr
Bgp_attr_nhc

bgp_attr_nhc in frrouting/frr: Patched by 1 CVEs

frrouting/frr

Function

bgp_attr_nhc

Name: bgp_attr_nhc in frrouting/frr: CVE fixes
Creator: RadicalNotion.AI
License: https://creativecommons.org/licenses/by-nc/4.0/

bgpd/bgp_attr.c

Last patched May 4, 2026

CVEs

That changed this function

Distinct patches

Backports counted once

Lines changed

Added plus removed

2026

Years

By CVE publication date

Overview

bgp_attr_nhc in frrouting/frr was changed by 1 published CVE fixes in 2026, in 1 distinct patches that added or removed 4 lines in total.

frrouting/frr has 36 CVEs with a located fix in total, so 3% of them touched this function.

CVEs that patched it

Every published CVE whose fix changed bgp_attr_nhc, newest first, with the lines each fix touched.

On this page

Overview
CVEs that patched it
Other functions in these files
Other hotspots in the repository
FAQ
References

CVE-2026-37459
CVE-2026-37459 · line 3890 · +2 −2 in 2 hunks
High · CVSS 7.5
EPSS 0.7%2026-05-04

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Other functions in these files

Functions in the same file that CVE fixes also changed.

1bgp_attr_parsebgpd/bgp_attr.c5 CVEs · 3 patches2019 to 2023
2bgp_attr_checkbgpd/bgp_attr.c4 CVEs · 2 patches2023
3bgp_mp_reach_parsebgpd/bgp_attr.c3 CVEs · 2 patches2023 to 2026
4bgp_packet_attributebgpd/bgp_attr.c1 CVEs · 1 patches2019
5bgp_attr_aigp_validbgpd/bgp_attr.c1 CVEs · 1 patches2023
6bgp_packet_mpattr_teabgpd/bgp_attr.c1 CVEs · 1 patches2019
7bgp_attr_encapbgpd/bgp_attr.c1 CVEs · 1 patches2024
8bgp_attr_prefix_sidbgpd/bgp_attr.c1 CVEs · 1 patches2024

Other hotspots in the repository

Functions in frrouting/frr changed by the most CVE fixes.

show_vty_link_info9 CVEs · ospfd/ospf_ext.c show_vty_ext_link_lan_adj_sid9 CVEs · ospfd/ospf_ext.c show_vty_ext_link_rmt_itf_addr9 CVEs · ospfd/ospf_ext.c show_vty_ext_pref_pref_sid9 CVEs · ospfd/ospf_ext.c ospf_ext_lsa_schedule9 CVEs · ospfd/ospf_ext.c show_vty_ext_link_adj_sid9 CVEs · ospfd/ospf_ext.c

All patched functions in frrouting/frr

Frequently asked questions

Common questions about CVE fixes to bgp_attr_nhc.

How many CVEs have patched bgp_attr_nhc?: 1 published CVEs changed bgp_attr_nhc in frrouting/frr, in 1 distinct patches totalling 4 changed lines, between 2026 and 2026.
What is the latest CVE that changed bgp_attr_nhc?: CVE-2026-37459, published 2026-05-04, changed lines 3890 of bgpd/bgp_attr.c.
How does bgp_attr_nhc compare to the rest of frrouting/frr?: frrouting/frr has 36 CVEs with a located fix in total; 1 of them changed bgp_attr_nhc.
What do the line numbers refer to?: Line numbers are in the fixed version of the file, as the upstream patch left it. A CVE whose fix was backported to several branches is listed once, with the lines from the upstream commit.

References

bgpd/bgp_attr.c on GitHub (opens in a new tab)
All patched functions in frrouting/frr
Patched functions directory

Fix locations are computed by RadicalNotion.AI from the upstream patch diff of each CVE. CVE data is sourced from the CVE Program.

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