Vulnerability RUSTSEC-2026-0423
Unknown
UNKNOWN RISK
Vulnerabilities without an assigned CVSS score. Severity is not determinable from available data.
1 day ago
October 29, 2026 at 12:00 PM UTC
Cross-engine type confusion with host-created struct-types-with-supertypes
47.0.0 - 48.0.7 and 49.0.0 - 49.0.4 and 50.0.0
47.0.0 - 48.0.7 and 49.0.0 - 49.0.4 and 50.0.0
Summary
Cross-engine type confusion with host-created struct-types-with-supertypes
Details
This is an entry in the RustSec database for the Wasmtime security advisory located at https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-qw58-7h65-crq2 For more information see the GitHub-hosted security advisory.
Related Vulnerabilities
Other vulnerabilities affecting the same packages
Low Risk
1 day ago
Typed functions with `i31` or `nullref` arguments may panic due to insufficient type-check
47.0.0 - 48.0.7 and 49.0.0 - 49.0.4 and 50.0.0 RUSTSEC-2026-0422
47.0.0 - 48.0.7 and 49.0.0 - 49.0.4 and 50.0.0 RUSTSEC-2026-0422
Unknown
1 day ago
Unchecked memory usage in transferring borrowed resources between components
0.0.0 - 36.0.19 and 37.0.0 - 48.0.7 and 49.0.0 - 49.0.4 and 50.0.0 RUSTSEC-2026-0424
0.0.0 - 36.0.19 and 37.0.0 - 48.0.7 and 49.0.0 - 49.0.4 and 50.0.0 RUSTSEC-2026-0424
Critical
2 days ago
Wasmtime: Cranelift backend on aarch64 can jump to incorrect target on large Wasm `br_table` instruction
0.0.0 - 36.0.18 and 37.0.0 - 48.0.6 and 49.0.0 - 49.0.3 GHSA-mghf-wjfp-p5xm
0.0.0 - 36.0.18 and 37.0.0 - 48.0.6 and 49.0.0 - 49.0.3 GHSA-mghf-wjfp-p5xm
Medium Risk
7 days ago
Wasmtime: Panic lowering a host-created component model stream into a guest that expects a different payload type
46.0.0 - 48.0.6 and 49.0.0 - 49.0.3 GHSA-9pvw-hwfg-92h5
46.0.0 - 48.0.6 and 49.0.0 - 49.0.3 GHSA-9pvw-hwfg-92h5
Critical
7 days ago
Wasmtime: Bit-packing in Cranelift compiler causes silent overflow and miscompilation
0.0.0 - 36.0.18 and 37.0.0 - 42.0.2 GHSA-897f-g5gm-fmxm
0.0.0 - 36.0.18 and 37.0.0 - 42.0.2 GHSA-897f-g5gm-fmxm
Impacted packages
Timeline
Published
1 day ago
October 29, 2026 at 12:00 PM UTC
Fixed (50.0.1)
1 day ago
October 29, 2026 at 05:49 PM UTC
Fixed (49.0.5)
1 day ago
October 29, 2026 at 06:12 PM UTC
Fixed (48.0.8)
1 day ago
October 29, 2026 at 06:34 PM UTC
Last Modified
17 hours ago
October 30, 2026 at 10:45 AM UTC