How many CVEs have patched push_closed?

1 published CVEs changed push_closed in bytecodealliance/wasmtime, in 2 distinct patches totalling 18 changed lines, between 2026 and 2026.

What is the latest CVE that changed push_closed?

CVE-2026-54786 (Wasmtime: Leak in WASIp1 `fd_renumber` implementation), published 2026-07-01, changed lines 344 to 351 of crates/wasi-preview1-component-adapter/src/descriptors.rs.

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

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

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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Patched Functions
Bytecodealliance
Wasmtime
Push_closed

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Weaknesses (CWE)The MITRE CWE weakness catalog
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Patched Functions
Bytecodealliance
Wasmtime
Push_closed

push_closed in bytecodealliance/wasmtime: Patched by 1 CVEs

bytecodealliance/wasmtime

Function

push_closed

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

crates/wasi-preview1-component-adapter/src/descriptors.rs

Last patched July 1, 2026

CVEs

That changed this function

Distinct patches

Backports counted once

Lines changed

Added plus removed

2026

Years

By CVE publication date

Overview

push_closed in bytecodealliance/wasmtime was changed by 1 published CVE fixes in 2026, in 2 distinct patches that added or removed 18 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 push_closed, newest first, with the lines each fix touched.

Wasmtime: Leak in WASIp1 `fd_renumber` implementation
CVE-2026-54786 · lines 344–351 · +4 −14
Low · CVSS 2.3
EPSS 0.4%2026-07-01

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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 push_closed.

How many CVEs have patched push_closed?: 1 published CVEs changed push_closed in bytecodealliance/wasmtime, in 2 distinct patches totalling 18 changed lines, between 2026 and 2026.
What is the latest CVE that changed push_closed?: CVE-2026-54786 (Wasmtime: Leak in WASIp1 `fd_renumber` implementation), published 2026-07-01, changed lines 344 to 351 of crates/wasi-preview1-component-adapter/src/descriptors.rs.
How does push_closed compare to the rest of bytecodealliance/wasmtime?: bytecodealliance/wasmtime has 27 CVEs with a located fix in total; 1 of them changed push_closed.
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/wasi-preview1-component-adapter/src/descriptors.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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