How many CVEs have patched nd_opt_hdr?

1 published CVEs changed nd_opt_hdr in openbsd/src, in 1 distinct patches totalling 2 changed lines, between 2026 and 2026.

What is the latest CVE that changed nd_opt_hdr?

CVE-2026-41285, published 2026-04-20, changed lines 544 to 545 of usr.sbin/rad/engine.c.

How does nd_opt_hdr compare to the rest of openbsd/src?

openbsd/src has 28 CVEs with a located fix in total; 1 of them changed nd_opt_hdr.

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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openbsd/src

Type

nd_opt_hdr

Name: nd_opt_hdr in openbsd/src: CVE fixes
Creator: RadicalNotion.AI
License: https://creativecommons.org/licenses/by-nc/4.0/

usr.sbin/rad/engine.c

Last patched April 20, 2026

1

CVEs

That changed this function

1

Distinct patches

Backports counted once

2

Lines changed

Added plus removed

2026

Years

By CVE publication date

Overview

nd_opt_hdr in openbsd/src was changed by 1 published CVE fixes in 2026, in 1 distinct patches that added or removed 2 lines in total.

openbsd/src has 28 CVEs with a located fix in total, so 4% of them touched this function.

CVEs that patched it

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

CVE-2026-41285
CVE-2026-41285 · lines 544–545 · +2 −0
Medium · CVSS 4.3
EPSS 0.3%2026-04-20

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Other hotspots in the repository

Functions in openbsd/src changed by the most CVE fixes.

steps

1 CVEs · lib/libcrypto/x509/x509_verify.c

valid_domainpart1 CVEs · usr.sbin/smtpd/smtp_session.c

server_headers1 CVEs · usr.sbin/httpd/httpd.h

ssh_packet_set_compress_hooks1 CVEs · usr.bin/ssh/packet.h

All patched functions in openbsd/src

Frequently asked questions

Common questions about CVE fixes to nd_opt_hdr.

How many CVEs have patched nd_opt_hdr?: 1 published CVEs changed nd_opt_hdr in openbsd/src, in 1 distinct patches totalling 2 changed lines, between 2026 and 2026.
What is the latest CVE that changed nd_opt_hdr?: CVE-2026-41285, published 2026-04-20, changed lines 544 to 545 of usr.sbin/rad/engine.c.
How does nd_opt_hdr compare to the rest of openbsd/src?: openbsd/src has 28 CVEs with a located fix in total; 1 of them changed nd_opt_hdr.
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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