How many CVEs have patched _binary_headers?

1 published CVEs changed _binary_headers in aio-libs/aiohttp, in 1 distinct patches totalling 7 changed lines, between 2026 and 2026.

What is the latest CVE that changed _binary_headers?

CVE-2026-50269 (AIOHTTP: CRLF injection in multipart headers), published 2026-06-22, changed lines 201 to 204 of aiohttp/payload.py.

How does _binary_headers compare to the rest of aio-libs/aiohttp?

aio-libs/aiohttp has 42 CVEs with a located fix in total; 1 of them changed _binary_headers.

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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_binary_headers

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Weaknesses (CWE)The MITRE CWE weakness catalog
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Patched Functions
Aio Libs
Aiohttp
_binary_headers

_binary_headers in aio-libs/aiohttp: Patched by 1 CVEs

aio-libs/aiohttp

Function

_binary_headers

Name: _binary_headers in aio-libs/aiohttp: CVE fixes
Creator: RadicalNotion.AI
License: https://creativecommons.org/licenses/by-nc/4.0/

aiohttp/payload.py

Last patched June 22, 2026

CVEs

That changed this function

Distinct patches

Backports counted once

Lines changed

Added plus removed

2026

Years

By CVE publication date

Overview

_binary_headers in aio-libs/aiohttp was changed by 1 published CVE fixes in 2026, in 1 distinct patches that added or removed 7 lines in total.

aio-libs/aiohttp has 42 CVEs with a located fix in total, so 2% of them touched this function.

CVEs that patched it

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

AIOHTTP: CRLF injection in multipart headers
CVE-2026-50269 · lines 201–204 · +4 −3
Low · CVSS 2.7
EPSS 0.5%2026-06-22

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Other hotspots in the repository

Functions in aio-libs/aiohttp changed by the most CVE fixes.

parse_headers8 CVEs · aiohttp/http_parser.py feed_data7 CVEs · aiohttp/http_parser.py get_content_length6 CVEs · aiohttp/http_parser.py __init__5 CVEs · aiohttp/http_parser.py parse_message4 CVEs · aiohttp/http_parser.py post4 CVEs · aiohttp/web_request.py

All patched functions in aio-libs/aiohttp

Frequently asked questions

Common questions about CVE fixes to _binary_headers.

How many CVEs have patched _binary_headers?: 1 published CVEs changed _binary_headers in aio-libs/aiohttp, in 1 distinct patches totalling 7 changed lines, between 2026 and 2026.
What is the latest CVE that changed _binary_headers?: CVE-2026-50269 (AIOHTTP: CRLF injection in multipart headers), published 2026-06-22, changed lines 201 to 204 of aiohttp/payload.py.
How does _binary_headers compare to the rest of aio-libs/aiohttp?: aio-libs/aiohttp has 42 CVEs with a located fix in total; 1 of them changed _binary_headers.
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

aiohttp/payload.py on GitHub (opens in a new tab)
All patched functions in aio-libs/aiohttp
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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Overview
CVEs that patched it
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References