CVE-2026-119138

EUVD-2026-113205
Wasmtime 46.0.0 before 48.0.6 and 49.0.0 before 49.0.3 contains a denial of service vulnerability that allows pending calls to trigger an assertion failure after a trap poisons the Store. Attackers supplying misbehaving guest code can cause a trap and let earlier calls proceed, crashing embedders that continue using the inconsistent Store.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
VulnCheckCNA
4.8 MEDIUM
NETWORK
HIGH
LOW
CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: Unknown
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources (CNA/ADP records, vendor advisories, Enginsight analysis).
VendorProductVersionSource
bytecodealliancewasmtime
46.0.0 ≤
𝑥
< 48.0.6
CNA
bytecodealliancewasmtime
49.0.0 ≤
𝑥
< 49.0.3
CNA
Debian logo
Debian Releases
Debian Product
Codename
rust-wasmtime
forky
36.0.13+dfsg-1
fixed
sid
36.0.13+dfsg-1
fixed
trixie
26.0.1+dfsg-3
fixed
Common Weakness Enumeration
References
https://github.com/bytecodealliance/wasmtime/security/advisories/GHSA-hmwq-g22x-qjw5
https://www.vulncheck.com/advisories/wasmtime-46.0.0-before-48.0.6-and-49.0.0-before-49.0.3-panic-after-trap