CVE-2026-115385

EUVD-2026-108313
Wasmtime 46.0.0 before 48.0.4 and 49.0.0 before 49.0.2 contains a denial of service vulnerability in the wasmtime-wasi WASIp3 implementation that allows guests to abort the Unix host process. Guests with mutable preopened directory access can call set-times or set-times-at with negative seconds timestamps before the epoch, triggering an assertion failure that crashes the host.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
VulnCheckCNA
6.2 MEDIUM
LOCAL
LOW
NONE
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Base Score
CVSS 3.x
EPSS Score
Percentile: 1.33%
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources.
VendorProductVersionSource
bytecodealliancewasmtime
46.0.0 ≤
𝑥
< 48.0.4
CNA
bytecodealliancewasmtime
49.0.0 ≤
𝑥
< 49.0.2
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-mr2v-56j5-cmfc
https://www.vulncheck.com/advisories/wasmtime-46.0.0-before-48.0.4-and-49.0.0-before-49.0.2-host-panic-via-wasip3-timestamps