How many CVEs have patched raw_bulk_memory_operation?

1 published CVEs changed raw_bulk_memory_operation in bytecodealliance/wasmtime, in 6 distinct patches totalling 9 changed lines, between 2026 and 2026.

What is the latest CVE that changed raw_bulk_memory_operation?

CVE-2026-104855 (Wasmtime: Preemption and traps during bulk operations enable breaking internal VM state), published 2026-10-02, changed lines 3651 to 3664 of crates/cranelift/src/func_environ.rs.

How does raw_bulk_memory_operation compare to the rest of bytecodealliance/wasmtime?

bytecodealliance/wasmtime has 27 CVEs with a located fix in total; 1 of them changed raw_bulk_memory_operation.

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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Wasmtime
Raw_bulk_memory_operation

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Patched Functions
Bytecodealliance
Wasmtime
Raw_bulk_memory_operation

raw_bulk_memory_operation in bytecodealliance/wasmtime: Patched by 1 CVEs

bytecodealliance/wasmtime

Function

raw_bulk_memory_operation

Name: raw_bulk_memory_operation in bytecodealliance/wasmtime: CVE fixes
Creator: RadicalNotion.AI
License: https://creativecommons.org/licenses/by-nc/4.0/

crates/cranelift/src/func_environ.rs

Last patched October 2, 2026

CVEs

That changed this function

Distinct patches

Backports counted once

Lines changed

Added plus removed

2026

Years

By CVE publication date

Overview

raw_bulk_memory_operation in bytecodealliance/wasmtime was changed by 1 published CVE fixes in 2026, in 6 distinct patches that added or removed 9 lines in total.

bytecodealliance/wasmtime has 27 CVEs with a located fix in total, so 4% of them touched this function.

CVEs that patched it

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

Wasmtime: Preemption and traps during bulk operations enable breaking internal VM state
CVE-2026-104855 · lines 3651–3664 · +7 −2
Low · CVSS 2.0
EPSS 0.3%2026-10-02

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Other functions in these files

Functions in the same file that CVE fixes also changed.

1manual_fuel_checkcrates/cranelift/src/func_environ.rs1 CVEs · 6 patches2026
2Memorycrates/cranelift/src/func_environ.rs1 CVEs · 6 patches2026
3pre_translate_bulk_opcrates/cranelift/src/func_environ.rs1 CVEs · 6 patches2026
4is_initializedcrates/cranelift/src/func_environ.rs1 CVEs · 4 patches2026
5variablecrates/cranelift/src/func_environ.rs1 CVEs · 2 patches2026

Other hotspots in the repository

Functions in bytecodealliance/wasmtime changed by the most CVE fixes.

and_then2 CVEs · crates/wasmtime/src/runtime/component/values.rs hostcall_fuel2 CVEs · crates/wasmtime/src/runtime/component/store.rs Done2 CVEs · crates/wasi-http/src/types_impl.rs Err2 CVEs · crates/wasi-http/src/body.rs Some2 CVEs · crates/wasi-http/src/body.rs as_ref2 CVEs · crates/wasi-http/src/types_impl.rs

All patched functions in bytecodealliance/wasmtime

Frequently asked questions

Common questions about CVE fixes to raw_bulk_memory_operation.

How many CVEs have patched raw_bulk_memory_operation?: 1 published CVEs changed raw_bulk_memory_operation in bytecodealliance/wasmtime, in 6 distinct patches totalling 9 changed lines, between 2026 and 2026.
What is the latest CVE that changed raw_bulk_memory_operation?: CVE-2026-104855 (Wasmtime: Preemption and traps during bulk operations enable breaking internal VM state), published 2026-10-02, changed lines 3651 to 3664 of crates/cranelift/src/func_environ.rs.
How does raw_bulk_memory_operation compare to the rest of bytecodealliance/wasmtime?: bytecodealliance/wasmtime has 27 CVEs with a located fix in total; 1 of them changed raw_bulk_memory_operation.
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

crates/cranelift/src/func_environ.rs on GitHub (opens in a new tab)
All patched functions in bytecodealliance/wasmtime
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
Other functions in these files
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References