CVE-2022-39393

Wasmtime is a standalone runtime for WebAssembly. Prior to versions 2.0.2 and 1.0.2, there is a bug in Wasmtime's implementation of its pooling instance allocator where when a linear memory is reused for another instance the initial heap snapshot of the prior instance can be visible, erroneously ...

Bug in pooling instance allocator

bug in Wasmtime's implementation of its pooling instance allocator where when a linear memory is reused for another instance the initial heap snapshot of the prior instance can be visible, erroneously to the next instance. Mitigations are described here...

Bug in Wasmtime implementation of pooling instance allocator

Bug in Wasmtime's implementation of its pooling instance allocator when the allocator is configured to give WebAssembly instances a maximum of zero pages of memory. In this configuration, the virtual memory mapping for WebAssembly memories did not meet the compiler-required configuration...

RUSTSEC-2022-0075 Bug in pooling instance allocator

bug in Wasmtime's implementation of its pooling instance allocator where when a linear memory is reused for another instance the initial heap snapshot of the prior instance can be visible, erroneously to the next instance. Mitigations are described here...

RUSTSEC-2022-0076 Bug in Wasmtime implementation of pooling instance allocator

Bug in Wasmtime's implementation of its pooling instance allocator when the allocator is configured to give WebAssembly instances a maximum of zero pages of memory. In this configuration, the virtual memory mapping for WebAssembly memories did not meet the compiler-required configuration...

CVE-2022-39392: Improper Restriction of Operations within the Bounds of a Memory Buffer

Wasmtime is a standalone runtime for WebAssembly. Prior to version 2.0.2, there is a bug in Wasmtime's implementation of its pooling instance allocator when the allocator is configured to give WebAssembly instances a maximum of zero pages of memory. In this configuration, the virtual memory mappi...

CVE-2022-39392 Wasmtime vulnerable to out of bounds read/write with zero-memory-pages configuration

Wasmtime is a standalone runtime for WebAssembly. Prior to version 2.0.2, there is a bug in Wasmtime's implementation of its pooling instance allocator when the allocator is configured to give WebAssembly instances a maximum of zero pages of memory. In this configuration, the virtual memory mappi...

CVE-2022-39393

Wasmtime vulnerability CVE-2022-39393: prior to versions 2.0.2 and 1.0.2, a bug in the pooling instance allocator can cause the initial heap snapshot of a prior instance to be visible to the next instance when reusing linear memory. This data leakage between instances can lead to information expo...

CVE-2022-39393 Wasmtime vulnerable to data leakage between instances in the pooling allocator

Wasmtime is a standalone runtime for WebAssembly. Prior to versions 2.0.2 and 1.0.2, there is a bug in Wasmtime's implementation of its pooling instance allocator where when a linear memory is reused for another instance the initial heap snapshot of the prior instance can be visible, erroneously ...

CVE-2022-39393 Wasmtime vulnerable to data leakage between instances in the pooling allocator

Wasmtime is a standalone runtime for WebAssembly. Prior to versions 2.0.2 and 1.0.2, there is a bug in Wasmtime's implementation of its pooling instance allocator where when a linear memory is reused for another instance the initial heap snapshot of the prior instance can be visible, erroneously ...

CVE-2022-39392 Wasmtime vulnerable to out of bounds read/write with zero-memory-pages configuration

Wasmtime is a standalone runtime for WebAssembly. Prior to version 2.0.2, there is a bug in Wasmtime's implementation of its pooling instance allocator when the allocator is configured to give WebAssembly instances a maximum of zero pages of memory. In this configuration, the virtual memory mappi...

CVE-2022-39393: Sensitive Information in Resource Not Removed Before Reuse

Wasmtime is a standalone runtime for WebAssembly. Prior to versions 2.0.2 and 1.0.2, there is a bug in Wasmtime's implementation of its pooling instance allocator where when a linear memory is reused for another instance the initial heap snapshot of the prior instance can be visible, erroneously ...

Wasmtime 安全漏洞

Wasmtime is a standalone WebAssembly and WASI-only wasm optimization runtime open-sourced by the Bytecode Alliance. A security vulnerability exists in versions of Wasmtime prior to 2.0.2 that stems from a data leak between instances in its pool allocator...

CVE-2022-39393 Wasmtime vulnerable to data leakage between instances in the pooling allocator

Wasmtime is a standalone runtime for WebAssembly. Prior to versions 2.0.2 and 1.0.2, there is a bug in Wasmtime's implementation of its pooling instance allocator where when a linear memory is reused for another instance the initial heap snapshot of the prior instance can be visible, erroneously ...

unbound: integer overflow in the regional allocator via the ALIGN_UP macro

A flaw was found in unbound. An integer overflow in the regional allocator via the ALIGNUP macro may lead to a buffer overflow if the size can be controlled by an attacker. The highest threat from this vulnerability is to data confidentiality and integrity as well as service availability...

RUSTSEC-2022-0098 Data leakage between instances in the pooling allocator

This is an entry in the RustSec database for the Wasmtime security advisory located at https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-wh6w-3828-g9qf. For more information see the GitHub-hosted security advisory...

Data leakage between instances in the pooling allocator

This is an entry in the RustSec database for the Wasmtime security advisory located at https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-wh6w-3828-g9qf. For more information see the GitHub-hosted security advisory...

PT-2022-24952 · Wasmtime · Wasmtime

Name of the Vulnerable Software and Affected Versions: Wasmtime versions prior to 2.0.2 Description: There is a bug in Wasmtime's implementation of its pooling instance allocator where when a linear memory is reused for another instance, the initial heap snapshot of the prior instance can be...

PT-2022-24951 · Wasmtime · Wasmtime

Name of the Vulnerable Software and Affected Versions: Wasmtime versions prior to 2.0.2 Description: There is a bug in Wasmtime's implementation of its pooling instance allocator when the allocator is configured to give WebAssembly instances a maximum of zero pages of memory. In this configuratio...

wee_alloc is Unmaintained

Two of the maintainers have indicated that the crate may not be maintained. The crate has open issues including memory leaks and may not be suitable for production use. It may be best to switch to the default Rust standard allocator on wasm32 targets. Last release seems to have been three years a...