How many CVEs have patched chunk_size?

1 published CVEs changed chunk_size in elixir-mint/mint, in 1 distinct patches totalling 17 changed lines, between 2026 and 2026.

What is the latest CVE that changed chunk_size?

CVE-2026-59249 (Sign-tolerant HTTP/1 chunk-size parser in Mint enables response smuggling against strict intermediaries on pooled connections), published 2026-07-16, changed lines 26 to 42 of lib/mint/http1/parse.ex.

How does chunk_size compare to the rest of elixir-mint/mint?

elixir-mint/mint has 14 CVEs with a located fix in total; 1 of them changed chunk_size.

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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elixir-mint/mint

Function

chunk_size

Name: chunk_size in elixir-mint/mint: CVE fixes
Creator: RadicalNotion.AI
License: https://creativecommons.org/licenses/by-nc/4.0/

lib/mint/http1/parse.ex

Last patched July 16, 2026

1

CVEs

That changed this function

1

Distinct patches

Backports counted once

17

Lines changed

Added plus removed

2026

Years

By CVE publication date

Overview

chunk_size in elixir-mint/mint was changed by 1 published CVE fixes in 2026, in 1 distinct patches that added or removed 17 lines in total.

elixir-mint/mint has 14 CVEs with a located fix in total, so 7% of them touched this function.

CVEs that patched it

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

Sign-tolerant HTTP/1 chunk-size parser in Mint enables response smuggling against strict intermediaries on pooled connections
CVE-2026-59249 · lines 26–42 · +17 −0
Medium · CVSS 6.3
EPSS 0.5%2026-07-16

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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 elixir-mint/mint changed by the most CVE fixes.

decode_body4 CVEs · lib/mint/http1.ex format_error3 CVEs · lib/mint/http1.ex block2 CVEs · lib/mint/http2.ex decode2 CVEs · lib/xhttp/conn.ex add_body2 CVEs · lib/xhttp/conn.ex byte_size2 CVEs · lib/xhttp/conn.ex

All patched functions in elixir-mint/mint

Frequently asked questions

Common questions about CVE fixes to chunk_size.

How many CVEs have patched chunk_size?: 1 published CVEs changed chunk_size in elixir-mint/mint, in 1 distinct patches totalling 17 changed lines, between 2026 and 2026.
What is the latest CVE that changed chunk_size?: CVE-2026-59249 (Sign-tolerant HTTP/1 chunk-size parser in Mint enables response smuggling against strict intermediaries on pooled connections), published 2026-07-16, changed lines 26 to 42 of lib/mint/http1/parse.ex.
How does chunk_size compare to the rest of elixir-mint/mint?: elixir-mint/mint has 14 CVEs with a located fix in total; 1 of them changed chunk_size.
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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