How many CVEs have patched readline?

1 published CVEs changed readline in aio-libs/aiohttp, in 1 distinct patches totalling 10 changed lines, between 2026 and 2026.

What is the latest CVE that changed readline?

CVE-2026-34516 (AIOHTTP: Multipart Header Size Bypass), published 2026-04-01, changed lines 376 to 629 of aiohttp/streams.py.

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

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

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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Readline

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Patched Functions
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Readline

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

aio-libs/aiohttp

Function

readline

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

aiohttp/streams.py

Last patched April 1, 2026

CVEs

That changed this function

Distinct patches

Backports counted once

Lines changed

Added plus removed

2026

Years

By CVE publication date

Overview

readline in aio-libs/aiohttp was changed by 1 published CVE fixes in 2026, in 1 distinct patches that added or removed 10 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 readline, newest first, with the lines each fix touched.

On this page

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

AIOHTTP: Multipart Header Size Bypass
CVE-2026-34516 · lines 376–629 · +6 −4 in 2 hunks
Medium · CVSS 6.6
EPSS 0.6%2026-04-01

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Other functions in these files

Functions in the same file that CVE fixes also changed.

1_read_nowait_chunkaiohttp/streams.py1 CVEs · 2 patches2026
2__init__aiohttp/streams.py1 CVEs · 2 patches2026
3begin_http_chunk_receivingaiohttp/streams.py1 CVEs · 1 patches2026
4_read_nowaitaiohttp/streams.py1 CVEs · 1 patches2026
5readuntilaiohttp/streams.py1 CVEs · 1 patches2026
6readchunkaiohttp/streams.py1 CVEs · 1 patches2026
7end_http_chunk_receivingaiohttp/streams.py1 CVEs · 1 patches2026

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 readline.

How many CVEs have patched readline?: 1 published CVEs changed readline in aio-libs/aiohttp, in 1 distinct patches totalling 10 changed lines, between 2026 and 2026.
What is the latest CVE that changed readline?: CVE-2026-34516 (AIOHTTP: Multipart Header Size Bypass), published 2026-04-01, changed lines 376 to 629 of aiohttp/streams.py.
How does readline compare to the rest of aio-libs/aiohttp?: aio-libs/aiohttp has 42 CVEs with a located fix in total; 1 of them changed readline.
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/streams.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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