How many CVEs have patched ospf_te_parse_ext_link?

4 published CVEs changed ospf_te_parse_ext_link in FRRouting/frr, in 3 distinct patches totalling 91 changed lines, between 2024 and 2026.

What is the latest CVE that changed ospf_te_parse_ext_link?

CVE-2026-28532 (FRRouting < 10.5.3 Integer Overflow in OSPF TLV Parser Functions), published 2026-04-30, changed lines 2822 to 2914 of ospfd/ospf_te.c.

How does ospf_te_parse_ext_link compare to the rest of FRRouting/frr?

FRRouting/frr has 36 CVEs with a located fix in total; 4 of them changed ospf_te_parse_ext_link.

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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FRRouting/frr

Function

ospf_te_parse_ext_link

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

ospfd/ospf_te.c

Last patched April 30, 2026

4

CVEs

That changed this function

3

Distinct patches

Backports counted once

91

Lines changed

Added plus removed

2024–2026

Years

By CVE publication date

Overview

ospf_te_parse_ext_link in FRRouting/frr was changed by 4 published CVE fixes between 2024 and 2026, in 3 distinct patches that added or removed 91 lines in total.

FRRouting/frr has 36 CVEs with a located fix in total, so 11% of them touched this function.

CVEs that patched it

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

FRRouting < 10.5.3 Integer Overflow in OSPF TLV Parser Functions
CVE-2026-28532 · lines 2822–2914 · +11 −2 in 2 hunks
Medium · CVSS 6.0
EPSS 0.4%2026-04-30
CVE-2024-34088
CVE-2024-34088 · lines 2771–2863 · +24 −2 in 4 hunks
High · CVSS 7.5
EPSS 0.7%2024-04-30
CVE-2024-31950
CVE-2024-31950 · lines 2771–2863 · +24 −2 in 4 hunks
Medium · CVSS 6.5
EPSS 0.5%2024-04-07
CVE-2024-31951
CVE-2024-31951 · lines 2771–2863 · +24 −2 in 4 hunks
Medium · CVSS 6.5
EPSS 0.5%2024-04-07

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Other functions in these files

Functions in the same file that CVE fixes also changed.

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 ospf_te_parse_ext_link.

How many CVEs have patched ospf_te_parse_ext_link?: 4 published CVEs changed ospf_te_parse_ext_link in FRRouting/frr, in 3 distinct patches totalling 91 changed lines, between 2024 and 2026.
What is the latest CVE that changed ospf_te_parse_ext_link?: CVE-2026-28532 (FRRouting < 10.5.3 Integer Overflow in OSPF TLV Parser Functions), published 2026-04-30, changed lines 2822 to 2914 of ospfd/ospf_te.c.
How does ospf_te_parse_ext_link compare to the rest of FRRouting/frr?: FRRouting/frr has 36 CVEs with a located fix in total; 4 of them changed ospf_te_parse_ext_link.
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

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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