Known Vulnerabilities for Webassembly by W3

Listed below are 1 of the newest known vulnerabilities associated with "Webassembly" by "W3".

These CVEs are retrieved based on exact matches on listed software, hardware, and vendor information (CPE data) as well as a keyword search to ensure the newest vulnerabilities with no officially listed software information are still displayed.

Data on known vulnerable versions is also displayed based on information from known CPEs

Known Vulnerabilities

CVE Shortened Description Severity Publish Date Last Modified
CVE-2026-115893 json Wasmtime is a runtime for WebAssembly. Prior to 36.0.19, 48.0.7, and 49.0.4, the Cranelift compiler backend on aarch64 can co... Not Provided 2026-10-23 2026-10-23
CVE-2026-115892 json Wasmtime is a runtime for WebAssembly. From 46.0.0 until 48.0.7 and 49.0.4, lowering a host-created component-model stream or... Not Provided 2026-10-23 2026-10-23
CVE-2026-115889 json Wasmtime is a runtime for WebAssembly. Prior to 36.0.19 and 43.0.0, the Cranelift compiler backend bit-packs SSA value indice... Not Provided 2026-10-23 2026-10-23
CVE-2026-115389 json Wasmtime before 36.0.16, 37.0.0 before 48.0.3, and 49.0.0 before 49.0.1 does not adequately account for host allocations when... Not Provided 2026-10-22 2026-10-22
CVE-2026-115383 json Wasmtime 47.0.0 before 48.0.4 and 49.0.0 before 49.0.2 contains an improper validation vulnerability that accepts components ... Not Provided 2026-10-22 2026-10-22
CVE-2026-115381 json Wasmtime before 36.0.17, 37.0.0 before 48.0.4, and 49.0.0 before 49.0.2 contains an unbounded memory allocation in the wasmti... Not Provided 2026-10-22 2026-10-22
CVE-2026-113680 json HarfBuzz from 8.0.0 through 14.6.0 contains a NULL pointer dereference vulnerability in the experimental WebAssembly shaper h... Not Provided 2026-10-20 2026-10-21
CVE-2026-113679 json HarfBuzz 8.0.0 through 14.6.0 contains an out-of-bounds write vulnerability in the experimental WebAssembly shaper because th... Not Provided 2026-10-20 2026-10-20
CVE-2026-112947 json Vite is a frontend tooling framework for JavaScript. From 8.2.0 until 8.2.4 and 8.3.3, the first 4 bytes of files outside of ... Not Provided 2026-10-20 2026-10-21
CVE-2026-109761 json Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 158 and Thunderbird 158. Not Provided 2026-10-13 2026-10-13
Results limited to 10 most recent vulnerabilities

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