How many CVEs have a located fix in vyperlang/vyper?

30 published CVEs have a fix traced to functions in vyperlang/vyper, touching 150 functions across 57 files.

Which function in vyperlang/vyper has been patched by the most CVEs?

build_IR in vyper/builtins/functions.py has been changed by 11 CVE fixes, from 2023 to 2025.

How large is a typical CVE fix in vyperlang/vyper?

The median fix changes 38 lines. 30% of fixes change 20 lines or fewer, and 30% change a single function.

How is a fix located to a function?

The upstream fix commit for each CVE is fetched and its diff is split into hunks. Each hunk is attributed to the function, method or type it changes, using the definition the diff itself names. Backports of the same fix to stable branches are counted once.

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python

#155 of 500 repositories

vyperlang/vyper

Name: vyperlang/vyper: functions patched by CVE fixes
Creator: RadicalNotion.AI
License: https://creativecommons.org/licenses/by-nc/4.0/

Functions and files changed by CVE fixes in this repository.

Latest located fix May 15, 2025

30

CVE fixes located

Published CVEs

150

Functions patched

Distinct function sites

57

Files patched

Distinct source files

2021–2025

Years covered

By CVE publication date

Overview

30 published CVEs have a fix traced to functions in vyperlang/vyper, the earliest published in 2021. Those fixes changed 150 distinct functions across 57 files, in 959 patch hunks.

Among the 500 repositories tracked here, vyperlang/vyper ranks #155 by the number of CVEs with a located fix.

Most patched functions

Functions in vyperlang/vyper changed by the most CVE fixes.

Most patched files

Files in vyperlang/vyper changed by the most CVE fixes.

1vyper/builtins/functions.py12 CVEs · 6 functions
2vyper/codegen/core.py5 CVEs · 8 functions
3vyper/codegen/ir_node.py5 CVEs · 7 functions
4vyper/semantics/types/function.py4 CVEs · 7 functions
5vyper/semantics/namespace.py4 CVEs · 3 functions
6vyper/old_codegen/parser_utils.py3 CVEs · 12 functions
7vyper/old_codegen/abi.py3 CVEs · 9 functions
8vyper/old_codegen/expr.py3 CVEs · 7 functions
9vyper/builtin_functions/functions.py3 CVEs · 6 functions
10vyper/old_codegen/stmt.py3 CVEs · 6 functions

Fix size

How much code a CVE fix in vyperlang/vyper changes, with backports counted once.

38

Median lines changed

Added plus removed, per CVE

30%

Fixes of 20 lines or fewer

Share of CVE fixes

30%

Fixes in a single function

Share of CVE fixes

Latest CVEs

The most recently published CVEs with a fix located in vyperlang/vyper, and the functions each fix changed.

Vyper's `slice()` may elide side-effects when output length is 0
CVE-2025-47774fetch_call_return
Low · CVSS 2.9
EPSS 0.5%2025-05-15
Vyper's `concat()` builtin may elide side-effects for zero-length arguments
CVE-2025-47285_make_bytelike is_empty_intrinsic build_IR
Low · CVSS 2.9
EPSS 0.5%2025-05-15
sqrt doesn't define rounding behavior in Vyper
CVE-2025-26622build_IR
Low · CVSS 2.3
EPSS 0.3%2025-02-21
double eval in For List Iter in Vyper
CVE-2025-27104_parse_For_list _analyse_range_iter
Low · CVSS 2.3
EPSS 0.4%2025-02-21
Success of Certain Precompile Calls not Checked in Vyper
CVE-2025-21607build_IR copy_bytes
Low · CVSS 2.3
EPSS 0.7%2025-01-14
vyper default functions don't respect nonreentrancy keys
CVE-2024-32648make_call get_internal_arg_copier add_variable_offset
Medium · CVSS 5.3
EPSS 0.4%2024-04-25
vyper's range(start, start + N) reverts for negative numbers
CVE-2024-32481visit_For parse_value_expr _analyse_range_call
Medium · CVSS 5.3
EPSS 0.8%2024-04-25
Vyper's `extract32` can ready dirty memory
CVE-2024-24564build_IR
Medium · CVSS 5.3
EPSS 0.6%2024-02-26
Vyper sha3 codegen bug
CVE-2024-24559_height_of
Medium · CVSS 5.3
EPSS 0.3%2024-02-05
raw_call `value=` kwargs not disabled for static and delegate calls
CVE-2024-24567build_IR
Medium · CVSS 5.3
EPSS 0.5%2024-01-30
concat built-in can corrupt memory in vyper
CVE-2024-22419build_IR
Critical · CVSS 9.8
EPSS 0.8%2024-01-18
Vyper has incorrect storage layout for contracts containing large arrays
CVE-2023-46247set_storage_slots SimpleStorageAllocator __init__
High · CVSS 7.5
EPSS 0.7%2023-12-13

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Frequently asked questions

Common questions about CVE fixes in vyperlang/vyper.

How many CVEs have a located fix in vyperlang/vyper?: 30 published CVEs have a fix traced to functions in vyperlang/vyper, touching 150 functions across 57 files.
Which function in vyperlang/vyper has been patched by the most CVEs?: build_IR in vyper/builtins/functions.py has been changed by 11 CVE fixes, from 2023 to 2025.
How large is a typical CVE fix in vyperlang/vyper?: The median fix changes 38 lines. 30% of fixes change 20 lines or fewer, and 30% change a single function.
How is a fix located to a function?: The upstream fix commit for each CVE is fetched and its diff is split into hunks. Each hunk is attributed to the function, method or type it changes, using the definition the diff itself names. Backports of the same fix to stable branches are counted once.

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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