Upstream information
Description
Wasmtime is a runtime for WebAssembly. Prior to 24.0.7, 36.0.7, 42.0.2, and 43.0.1, On x86-64 platforms with SSE3 disabled Wasmtime's compilation of the f64x2.splat WebAssembly instruction with Cranelift may load 8 more bytes than is necessary. When signals-based-traps are disabled this can result in a uncaught segfault due to loading from unmapped guard pages. With guard pages disabled it's possible for out-of-sandbox data to be loaded, but this data is not visible to WebAssembly guests. This vulnerability is fixed in 24.0.7, 36.0.7, 42.0.2, and 43.0.1.SUSE information
Overall state of this security issue: Does not affect SUSE products
SUSE Bugzilla entry: 1261961 [NEW] No SUSE Security Announcements cross referenced.SUSE Timeline for this CVE
CVE page created: Thu Apr 9 22:01:14 2026CVE page last modified: Fri May 8 12:08:56 2026