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CVE

CVE-2026-34946

Host panic when Winch compiler executes `table.fill`
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CVE

CVE-2026-34946

Host panic when Winch compiler executes `table.fill`

This is an entry in the RustSec database for the Wasmtime security advisory

located at

https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-q49f-xg75-m9xw

For more information see the GitHub-hosted security advisory.

Package Versions Affected

Package Version
patch Availability
No items found.

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CVSS Version

Severity
Base Score
CVSS Version
Score Vector
C
H
U
5.9
-
4.0
CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
C
H
U
0
-
C
H
U
-

Related Resources

No items found.

References

https://crates.io/crates/wasmtime, https://rustsec.org/advisories/RUSTSEC-2026-0089.html, https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-q49f-xg75-m9xw

Severity

7.5

CVSS Score
0
10

Basic Information

Ecosystem
Base CVSS
7.5
EPSS Probability
0.00018%
EPSS Percentile
0.04904%
Introduced Version
43.0.0
Fix Available
43.0.1

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