RUSTSEC-2026-0326

vendorUSosv

Rooting for GC values live across `try_call` may be missing, causing GC heap corruption

view advisory published 2026-10-02Licence: CC0-1.0

This is an entry in the RustSec database for the Wasmtime security advisory located at https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-hw8m-q44c-ggrf For more information see the GitHub-hosted security advisory.

describes (1)

Related CVEs.

ID	severity	EPSS	exploitable	published
CVE-2026-115379US	medium5.7	0.28% (20th)	—	2026-10-22
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.…

references

External citations — patches, advisories, analysis.

https://crates.io/crates/wasmtimePACKAGE
https://github.com/bytecodealliance/wasmtime/pull/14478WEB
https://rustsec.org/advisories/RUSTSEC-2026-0326.htmlADVISORY

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