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-2026-104855 json Wasmtime is a runtime for WebAssembly. From 46.0.0 until 46.0.2 and 47.0.3, fuel and epoch preemption checks inside bulk oper... Not Provided 2026-10-02 2026-10-02
CVE-2026-100817 json Other issue in the JavaScript: WebAssembly component. This vulnerability was fixed in Thunderbird 157 and Firefox 157. Not Provided 2026-09-29 2026-10-01
CVE-2026-100796 json Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Thunderbird 157 and Firefox 157. Not Provided 2026-09-29 2026-09-30
CVE-2026-100792 json JIT miscompilation in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 1... Not Provided 2026-09-29 2026-10-01
CVE-2026-100788 json Invalid pointer in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157,... Not Provided 2026-09-29 2026-10-01
CVE-2026-100776 json Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, ... Not Provided 2026-09-29 2026-09-30
CVE-2026-100769 json Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, ... Not Provided 2026-09-29 2026-09-30
CVE-2026-100765 json Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox ESR 153.4, Thunderbird 157, ... Not Provided 2026-09-29 2026-09-30
CVE-2026-92956 json vm2 versions 3.10.1 through 3.11.6 contain a sandbox escape reachable from a default `new VM()` sandbox when running on Node.... Not Provided 2026-09-17 2026-09-17
CVE-2026-92040 json Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 156 and Thunderbird 156. Not Provided 2026-09-15 2026-09-20

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