OSV-2026-292

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Import Source
https://github.com/google/oss-fuzz-vulns/blob/main/vulns/wasmtime/OSV-2026-292.yaml
JSON Data
https://api.osv.dev/v1/vulns/OSV-2026-292
Published
2026-02-23T00:19:15.717984Z
Modified
2026-02-23T00:19:15.718280Z
Summary
UNKNOWN WRITE in <wasmtime::runtime::func::Func>::call_unchecked_raw::<
Details

OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=486503337

Crash type: UNKNOWN WRITE
Crash state:
<wasmtime::runtime::func::Func>::call_unchecked_raw::<
wasmtime::runtime::component::func::call_post_return::&lt;wasmtime::runtime::store:
<<wasmtime::runtime::component::instance::Instance>::queue_call<
References

Affected packages

OSS-Fuzz / wasmtime

Package

Name
wasmtime
Purl
pkg:generic/wasmtime

Affected ranges

Type
GIT
Repo
https://github.com/bytecodealliance/wasmtime
Events
Introduced
d54924aa387d9471a5be3de635e1243a63681342
Fixed
c07c94d2f69265cb0661e446a4daee0de5e69cf1

Ecosystem specific 

{
    "severity": "HIGH"
}

Database specific

introduced_range 
"3621d3e3d85a6e35b43bfbc072593a279d28bad0:ee7e125309f5bc784b8feb8969261ae41fb4703b"
source 
"https://github.com/google/oss-fuzz-vulns/blob/main/vulns/wasmtime/OSV-2026-292.yaml"
fixed_range 
"12e29c22879ab047ec13da8bc33634dd81820318:c07c94d2f69265cb0661e446a4daee0de5e69cf1"