How many CVEs have patched tcp_expand_buffer?

1 published CVEs changed tcp_expand_buffer in erlang/otp, in 1 distinct patches totalling 7 changed lines, between 2026 and 2026.

What is the latest CVE that changed tcp_expand_buffer?

CVE-2026-75538 (A Signed Length Overflow in Erlang/OTP's inet TCP Driver Overflows the Receive Buffer Into BEAM VM Memory From an Unauthenticated Peer), published 2026-09-01, changed lines 11468 to 11473 of erts/emulator/drivers/common/inet_drv.c.

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

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

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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erlang/otp

Function

tcp_expand_buffer

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

erts/emulator/drivers/common/inet_drv.c

Last patched September 1, 2026

1

CVEs

That changed this function

1

Distinct patches

Backports counted once

7

Lines changed

Added plus removed

2026

Years

By CVE publication date

Overview

tcp_expand_buffer in erlang/otp was changed by 1 published CVE fixes in 2026, in 1 distinct patches that added or removed 7 lines in total.

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

CVEs that patched it

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

A Signed Length Overflow in Erlang/OTP's inet TCP Driver Overflows the Receive Buffer Into BEAM VM Memory From an Unauthenticated Peer
CVE-2026-75538 · lines 11468–11473 · +6 −1
High · CVSS 8.2
EPSS 0.9%2026-09-01

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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 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 tcp_expand_buffer.

How many CVEs have patched tcp_expand_buffer?: 1 published CVEs changed tcp_expand_buffer in erlang/otp, in 1 distinct patches totalling 7 changed lines, between 2026 and 2026.
What is the latest CVE that changed tcp_expand_buffer?: CVE-2026-75538 (A Signed Length Overflow in Erlang/OTP's inet TCP Driver Overflows the Receive Buffer Into BEAM VM Memory From an Unauthenticated Peer), published 2026-09-01, changed lines 11468 to 11473 of erts/emulator/drivers/common/inet_drv.c.
How does tcp_expand_buffer compare to the rest of erlang/otp?: erlang/otp has 58 CVEs with a located fix in total; 1 of them changed tcp_expand_buffer.
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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