CVE-2021-39218

Technical details about CVE-2021-39218 (affected Wasmtime versions 0.26.0–0.30.0, root cause, exploit paths, and fixes) are not provided in the supplied documents. Monitor for official disclosures and patches.

CVE-2021-39218

Wasmtime is an open source runtime for WebAssembly & WASI. In Wasmtime from version 0.26.0 and before version 0.30.0 is affected by a memory unsoundness vulnerability. There was an invalid free and out-of-bounds read and write bug when running Wasm that uses externrefs in Wasmtime. To trigger thi...

CVE-2021-39219

Wasmtime is an open source runtime for WebAssembly & WASI. Wasmtime before version 0.30.0 is affected by a type confusion vulnerability. As a Rust library the "wasmtime" crate clearly marks which functions are safe and which are "unsafe", guaranteeing that if consumers never use "unsafe" then it...

CVE-2021-39219 Wrong type for `Linker`-define functions when used across two `Engine`s

Wasmtime is an open source runtime for WebAssembly & WASI. Wasmtime before version 0.30.0 is affected by a type confusion vulnerability. As a Rust library the wasmtime crate clearly marks which functions are safe and which are unsafe, guaranteeing that if consumers never use unsafe then it should...

CVE-2021-39219

Technical details about CVE-2021-39219 are not publicly provided in the connected documents. Monitor for updates from official advisories; the supplied sources do not enumerate affected products/versions or fixes beyond the initial description.

CVE-2021-39219

Wasmtime is an open source runtime for WebAssembly & WASI. Wasmtime before version 0.30.0 is affected by a type confusion vulnerability. As a Rust library the wasmtime crate clearly marks which functions are safe and which are unsafe, guaranteeing that if consumers never use unsafe then it should...

CVE-2021-39216

Wasmtime is an open source runtime for WebAssembly & WASI. In Wasmtime from version 0.19.0 and before version 0.30.0 there was a use-after-free bug when passing "externref"s from the host to guest Wasm content. To trigger the bug, you have to explicitly pass multiple "externref"s from the host to...

CVE-2021-39216

Wasmtime (pre-0.30.0) contains a use-after-free when passing multiple externref values from host to guest Wasm, potentially allowing a GC to reclaim the first externref and then reuse it after control returns to Wasm. Affected versions are 0.19.0–0.29.0; upgrading to Wasmtime 0.30.0 fixes the iss...

CVE-2021-39216 Use after free passing `externref`s to Wasm in Wasmtime

Wasmtime is an open source runtime for WebAssembly & WASI. In Wasmtime from version 0.19.0 and before version 0.30.0 there was a use-after-free bug when passing externrefs from the host to guest Wasm content. To trigger the bug, you have to explicitly pass multiple externrefs from the host to a...

CVE-2021-39216

Wasmtime is an open source runtime for WebAssembly & WASI. In Wasmtime from version 0.19.0 and before version 0.30.0 there was a use-after-free bug when passing externrefs from the host to guest Wasm content. To trigger the bug, you have to explicitly pass multiple externrefs from the host to a...

auto-wasi (0.1.0), ceres-executor (>=0.1.0, <=0.2.0) +36 more potentially affected by CVE-2021-39216 +2 more via wasmtime (>=0.7.0, <=0.29.0)

wasmtime CARGO version =0.7.0, =0.1.0, =0.1.0, =0.8.0-alpha.2, =0.8.0-alpha.2, =0.1.1, =0.1.1, =0.1.2, =0.1.4 and more Source cves: CVE-2021-39216, CVE-2021-39218, CVE-2021-39219 Source advisory: OSV:RUSTSEC-2021-0110...

RUSTSEC-2021-0110 Multiple Vulnerabilities in Wasmtime

Use after free passing externrefs to Wasm in Wasmtime Out-of-bounds read/write and invalid free with externrefs and GC safepoints in Wasmtime Wrong type for Linker-define functions when used across two Engines...

Multiple Vulnerabilities in Wasmtime

Use after free passing externrefs to Wasm in Wasmtime Out-of-bounds read/write and invalid free with externrefs and GC safepoints in Wasmtime Wrong type for Linker-define functions when used across two Engines...

Wasmtime 资源管理错误漏洞

Wasmtime, a Bytecode Consortium project, is a standalone wasm optimization runtime for WebAssembly and WASI only. A resource management error vulnerability exists in Wasmtime that stems from a post-release usage error when passing multiple externrefs from the host to guest Wasm content...

Wasmtime 代码问题漏洞

Wasmtime, a Bytecode Consortium project, is a standalone wasm-optimized runtime for WebAssembly and WASI only. A code issue vulnerability exists in Wasmtime that stems from Wasmtime prior to version 0.30.0 being affected by a type obfuscation vulnerability...

Wasmtime 缓冲区错误漏洞

Wasmtime, a Bytecode Consortium project, is a standalone wasm-optimized runtime for WebAssembly and WASI only. Wasmtime suffers from a buffer error vulnerability that stems from an invalid free and out-of-bounds read/write error when running Wasm due to a memory unsoundness vulnerability in...

PT-2021-22470

Name of the Vulnerable Software and Affected Versions Wasmtime versions prior to 0.30.0 Description A type confusion vulnerability was discovered in the safe API of Linker::func APIs. This issue occurs when one Engine is used to create the Linker and then a different Engine is used to create a...

PT-2021-22469

Name of the Vulnerable Software and Affected Versions Wasmtime versions 0.19.0 through 0.29.0 Wasmtime versions 0.26.0 through 0.29.0 Description There is a memory unsoundness vulnerability in Wasmtime, which can be triggered when running Wasm that uses externrefs. This can result in an invalid...

PT-2021-22468

Name of the Vulnerable Software and Affected Versions Wasmtime versions 0.19.0 through 0.29.0 Description The issue is related to a use-after-free bug when passing externrefs from the host to guest Wasm content. To trigger the bug, multiple externrefs must be passed from the host to a Wasm instan...

CVE-2021-39218: Free of Memory not on the Heap

Wasmtime is an open source runtime for WebAssembly & WASI. In Wasmtime from version 0.26.0 and before version 0.30.0 is affected by a memory unsoundness vulnerability. There was an invalid free and out-of-bounds read and write bug when running Wasm that uses externrefs in Wasmtime. To trigger thi...