Vulnerability Database · OSS-Fuzz · wasmtime · Version
wasmtime v12.0.2
v12.0.2 is affected by 3 vulnerabilities.
The vulnerabilities that cover this exact version are listed below with the fixed version to move to.
Critical 0 High 2 Medium 0 Low 0 Unrated 1
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Database updated 23/Oct/2026
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01 Vulnerabilities affecting this version
wasmtime v12.0.2 vulnerabilities
3 vulnerabilities cover wasmtime v12.0.2. Open the full list in the database.
| Vulnerability | Severity | Fixed version | Disclosed |
|---|---|---|---|
| UNKNOWN WRITE vulnerability in wasmtime | N/A high | dece901d1694bd5f148b67afc9a512e4cc344591 | 08 Nov 2022 |
| Segv on unknown address in cranelift_filetests::function_runner::CompiledFunction::call::ha6b9162cd2eNUMBER | N/A unrated | 573ae0c60bb20e010d74ba7fd2e7e59247f3385d | 24 Aug 2022 |
| Heap-use-after-free vulnerability in wasmtime | N/A high | No fix published | 19 Jul 2022 |
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Questions
About wasmtime v12.0.2
Is wasmtime v12.0.2 vulnerable?
Yes. 3 vulnerabilities in the Vulert database cover wasmtime v12.0.2: 0 critical, 2 high, 0 medium and 0 low, plus 1 not yet rated. Each entry above names the fixed version to move to.
How do I monitor wasmtime for upcoming vulnerabilities?
Upload the manifest or SBOM for your application at vulert.com/scanner and Vulert keeps checking the wasmtime version you actually run against new disclosures, then alerts you when one affects it. There is no installation and no source-code access required.