How many CVEs have patched next_seqnum?

1 published CVEs changed next_seqnum in erlang/otp, in 2 distinct patches totalling 20 changed lines, between 2025 and 2025.

What is the latest CVE that changed next_seqnum?

CVE-2025-46712 (Erlang/OTP SSH Has Strict KEX Violations), published 2025-05-08, changed lines 1133 to 1140 of lib/ssh/src/ssh_connection_handler.erl.

How does next_seqnum compare to the rest of erlang/otp?

erlang/otp has 58 CVEs with a located fix in total; 1 of them changed next_seqnum.

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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Next_seqnum

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Patched Functions
Erlang
Otp
Next_seqnum

next_seqnum in erlang/otp: Patched by 1 CVEs

erlang/otp

Function

2 files

next_seqnum

Name: next_seqnum in erlang/otp: CVE fixes
Creator: RadicalNotion.AI
License: https://creativecommons.org/licenses/by-nc/4.0/

Defined in 2 files

Last patched May 8, 2025

CVEs

That changed this function

Distinct patches

Backports counted once

Lines changed

Added plus removed

2025

Years

By CVE publication date

Overview

next_seqnum in erlang/otp was changed by 1 published CVE fixes in 2025, in 2 distinct patches that added or removed 20 lines in total.

The name occurs in 2 files: lib/ssh/src/ssh_connection_handler.erl, lib/ssh/src/ssh_transport.erl.

erlang/otp has 58 CVEs with a located fix in total, so 2% of them touched this function.

On this page

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

CVEs that patched it

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

Erlang/OTP SSH Has Strict KEX Violations
CVE-2025-46712 · lib/ssh/src/ssh_connection_handler.erl · lines 1133–1140 · +8 −5
Low · CVSS 3.7
EPSS 0.5%2025-05-08
Erlang/OTP SSH Has Strict KEX Violations
CVE-2025-46712 · lib/ssh/src/ssh_transport.erl · lines 297–302 · +6 −1
Low · CVSS 3.7
EPSS 0.5%2025-05-08

Get an alert when the next CVE fix lands in erlang/otp, with the patched functions.

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Other functions in these files

Functions in the same files that CVE fixes also changed.

1formatlib/ssh/src/ssh_connection_handler.erl3 CVEs · 7 patches2025 to 2026
2kexinit_errorlib/ssh/src/ssh_transport.erl1 CVEs · 3 patches2025
3start_channellib/ssh/src/ssh_connection_handler.erl1 CVEs · 3 patches2026
4start_rekeyinglib/ssh/src/ssh_connection_handler.erl1 CVEs · 3 patches2026
5formatlib/ssh/src/ssh_transport.erl1 CVEs · 3 patches2025
6handle_kex_dh_gex_grouplib/ssh/src/ssh_transport.erl1 CVEs · 3 patches2025
7default_algorithms1lib/ssh/src/ssh_transport.erl1 CVEs · 2 patches2026
8send_disconnectlib/ssh/src/ssh_connection_handler.erl1 CVEs · 2 patches2026

Other hotspots in the repository

Functions in erlang/otp changed by the most CVE fixes.

format3 CVEs · lib/ssh/src/ssh_connection_handler.erl xf_send_status3 CVEs · lib/ssh/src/ssh_sftpd.erl init3 CVEs · lib/ssh/src/ssh_sftpd.erl customize_headers3 CVEs · lib/inets/src/http_server/httpd_request.erl handle_data3 CVEs · lib/ssh/src/ssh_sftpd.erl send_status2 CVEs · lib/inets/src/http_server/httpd_request_handler.erl

All patched functions in erlang/otp

Frequently asked questions

Common questions about CVE fixes to next_seqnum.

How many CVEs have patched next_seqnum?: 1 published CVEs changed next_seqnum in erlang/otp, in 2 distinct patches totalling 20 changed lines, between 2025 and 2025.
What is the latest CVE that changed next_seqnum?: CVE-2025-46712 (Erlang/OTP SSH Has Strict KEX Violations), published 2025-05-08, changed lines 1133 to 1140 of lib/ssh/src/ssh_connection_handler.erl.
How does next_seqnum compare to the rest of erlang/otp?: erlang/otp has 58 CVEs with a located fix in total; 1 of them changed next_seqnum.
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

lib/ssh/src/ssh_connection_handler.erl on GitHub (opens in a new tab)
lib/ssh/src/ssh_transport.erl on GitHub (opens in a new tab)
All patched functions in erlang/otp
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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