CVE-2026-44216

high

Published 2026-04-30 · Modified 2026-05-14

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CVSS v3

7.5

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v4 NEW

5.9

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

VIR risk

7.5

Description

wasmtime has a panic when allocating a table exceeding the size of the host's address space

Predictions

Exploit likelihood

83%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

No mitigations published for this CVE yet.

The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.

✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here with source_tier=community-verified.

OS impact

OS	Version	Status	Fixed in
sles		affected
debian	forky	fixed	`36.0.8+dfsg-1`
debian	sid	fixed	`36.0.8+dfsg-1`
debian	trixie	affected

Package impact

Ecosystem	Package	Vulnerable	Fixed
crates.io	wasmtime
crates.io	wasmtime	`>=44.0.0,<44.0.1`	`36.0.8`
crates.io	wasmtime	`>=30.0.0,<36.0.8`	`36.0.8`
crates.io	wasmtime	`>=37.0.0,<43.0.2`	`43.0.2`
RUST	wasmtime	`>= 37.0.0, < 43.0.2`	`43.0.2`
RUST	wasmtime	`>= 30.0.0, < 36.0.8`	`36.0.8`

Application impact

Vendor	Product	Versions	Fixed
bytecodealliance	wasmtime	`{"startIncluding":"30.0.0","endExcluding":"36.0.8"}`	`36.0.8`
bytecodealliance	wasmtime	`44.0.0`

References

CWEs

CWE-770

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.