MEDIUM 6.9 NVD
CVE-2026-115379
Wasmtime 47.0.0 before 48.0.4 and 49.0.0 before 49.0.2 contains a missing GC rooting vulnerability that leaves references live across try_call unrooted when com
Wasmtime 47.0.0 before 48.0.4 and 49.0.0 before 49.0.2 contains a missing GC rooting vulnerability that leaves references live across try_call unrooted when compiling Wasm modules. Attackers can supply Wasm modules whose callee triggers garbage collection, leaving stale or dangling references that cause GC heap corruption or incorrect execution.
References
- https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-hw8m-q44c-ggrf
- https://www.vulncheck.com/advisories/wasmtime-47.0.0-before-48.0.4-and-49.0.0-before-49.0.
This medium severity vulnerability with a CVSS score of 6.9 was published on 2026-10-22 via NVD.
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