65 matches found
GHSA-VVP9-H8P2-XWFC Wasmtime: Memory leak in C API with `externref` and `anyref` types
Impact Wasmtime 37.0.0 and 37.0.1 have memory leaks in the C/C++ API when using bindings for the anyref or externref WebAssembly values. This is caused by a regression introduced during the development of 37.0.0 and all prior versions of Wasmtime are unaffected. If anyref or externref is not used...
EUVD-2025-33183
Wasmtime: Memory leak in C API with externref and anyref types...
Wasmtime: Memory leak in C API with `externref` and `anyref` types
Impact Wasmtime 37.0.0 and 37.0.1 have memory leaks in the C/C++ API when using bindings for the anyref or externref WebAssembly values. This is caused by a regression introduced during the development of 37.0.0 and all prior versions of Wasmtime are unaffected. If anyref or externref is not used...
PYSEC-2025-268
Wasmtime is a runtime for WebAssembly. Wasmtime 37.0.0 and 37.0.1 have memory leaks in the C/C++ API when using bindings for the anyref or externref WebAssembly values. This is caused by a regression introduced during the development of 37.0.0 and all prior versions of Wasmtime are unaffected. If...
CVE-2025-61670
Wasmtime is a runtime for WebAssembly. Wasmtime 37.0.0 and 37.0.1 have memory leaks in the C/C++ API when using bindings for the anyref or externref WebAssembly values. This is caused by a regression introduced during the development of 37.0.0 and all prior versions of Wasmtime are unaffected. If...
PYSEC-2025-268
Wasmtime is a runtime for WebAssembly. Wasmtime 37.0.0 and 37.0.1 have memory leaks in the C/C++ API when using bindings for the anyref or externref WebAssembly values. This is caused by a regression introduced during the development of 37.0.0 and all prior versions of Wasmtime are unaffected. If...
CVE-2025-61670 Wasmtime has memory leak in C API with `externref` and `anyref` types
Wasmtime is a runtime for WebAssembly. Wasmtime 37.0.0 and 37.0.1 have memory leaks in the C/C++ API when using bindings for the anyref or externref WebAssembly values. This is caused by a regression introduced during the development of 37.0.0 and all prior versions of Wasmtime are unaffected. If...
CVE-2025-61670
CVE-2025-61670 affects Wasmtime 37.0.0 and 37.0.1, where memory leaks occur in the C/C++ API when using bindings for the WebAssembly values anyref/externref. The root cause is a Rust refactor changing ManuallyRooted to OwnedRooted and incomplete propagation of ownership semantics to the C/C++ API...
EUVD-2025-32904
Wasmtime is a runtime for WebAssembly. Wasmtime 37.0.0 and 37.0.1 have memory leaks in the C/C++ API when using bindings for the anyref or externref WebAssembly values. This is caused by a regression introduced during the development of 37.0.0 and all prior versions of Wasmtime are unaffected. If...
CVE-2025-61670 Wasmtime has memory leak in C API with `externref` and `anyref` types
Wasmtime is a runtime for WebAssembly. Wasmtime 37.0.0 and 37.0.1 have memory leaks in the C/C++ API when using bindings for the anyref or externref WebAssembly values. This is caused by a regression introduced during the development of 37.0.0 and all prior versions of Wasmtime are unaffected. If...
CVE-2025-61670
Wasmtime is a runtime for WebAssembly. Wasmtime 37.0.0 and 37.0.1 have memory leaks in the C/C++ API when using bindings for the anyref or externref WebAssembly values. This is caused by a regression introduced during the development of 37.0.0 and all prior versions of Wasmtime are unaffected. If...
CVE-2025-61670 Wasmtime has memory leak in C API with `externref` and `anyref` types
Wasmtime is a runtime for WebAssembly. Wasmtime 37.0.0 and 37.0.1 have memory leaks in the C/C++ API when using bindings for the anyref or externref WebAssembly values. This is caused by a regression introduced during the development of 37.0.0 and all prior versions of Wasmtime are unaffected. If...
EUVD-2021-0464
Malware in sbrugna...
PT-2025-41158
Name of the Vulnerable Software and Affected Versions Wasmtime versions 37.0.0 through 37.0.1 Description Wasmtime, a runtime for WebAssembly, contains memory leaks within its C/C++ API when utilizing bindings for anyref or externref WebAssembly values. This issue stems from a regression introduc...
CVE-2025-61670: Missing Release of Resource after Effective Lifetime
Wasmtime is a runtime for WebAssembly. Wasmtime 37.0.0 and 37.0.1 have memory leaks in the C/C++ API when using bindings for the anyref or externref WebAssembly values. This is caused by a regression introduced during the development of 37.0.0 and all prior versions of Wasmtime are unaffected. If...
Wasmtime 安全漏洞
wasmtime is a lightweight WebAssembly runtime open-sourced by the Bytecode Alliance. A security vulnerability exists in Wasmtime version 37.0.0 and 37.0.1, which stems from a memory management flaw in the C/C++ API for anyref or externref values that could lead to a memory leak...
EUVD-2022-0913
Malicious code in bioql PyPI...
GHSA-75HQ-H6G9-H4Q5 Wasmtime vulnerable to panic when using a dropped extenref-typed element segment
Impact The 19.0.0 release of Wasmtime contains a regression introduced during its development which can lead to a guest WebAssembly module causing a panic in the host runtime. A valid WebAssembly module, when executed at runtime, may cause this panic. The panic in question is caused when a...
wasmtime:table_ops: Heap-use-after-free in wasmtime_runtime::externref::VMExternData::drop_and_dealloc::h16a22f20001bc5da
Project: https://github.com/bytecodealliance/wasmtime.git Detailed Report: https://oss-fuzz.com/testcase?key=4600104241201152 Project: wasmtime Fuzzing Engine: libFuzzer Fuzz Target: tableops Job Type: libfuzzerasanwasmtime Platform Id: linux Crash Type: Heap-use-after-free WRITE 8 Crash Address:...
OSV-2022-588 Heap-use-after-free in wasmtime_runtime::externref::gc::hcbc8e23ae41614fa
OSS-Fuzz report: https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=49171 Crash type: Heap-use-after-free WRITE 8 Crash state: wasmtimeruntime::externref::gc::hcbc8e23ae41614fa wasmtimefuzzing::oracles::tableops::$u7b$$u7b$closure$u7d$$u7d$::hd207e5ffb69...