How severe is CVE-2024-30266?

CVE-2024-30266 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.

Is CVE-2024-30266 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-30266?

CVE-2024-30266 affects Bytecodealliance Wasmtime. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-30266?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2024-30266 have an EU (EUVD) identifier?

Yes. CVE-2024-30266 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-1137.

When was CVE-2024-30266 published?

CVE-2024-30266 was published on 2024-04-04 and last updated on 2026-06-17.

CVE-2024-30266

CVE-2024-30266 is a low-severity vulnerability in Bytecodealliance Wasmtime with a CVSS 3.x base score of 3.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-843.

Key facts

Severity: Low (CVSS 3.x base score 3.3)
EPSS exploit prediction: 0% (24th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-1137
Weakness: CWE-843
Affected product: Bytecodealliance Wasmtime
Published: 2024-04-04
Last modified: 2026-06-17

Description

wasmtime is a runtime for WebAssembly. The 19.0.0 release of Wasmtime contains a regression introduced during its development which can lead to a guest WebAssembly module causing a panic in the host runtime. A valid WebAssembly module, when executed at runtime, may cause this panic. This vulnerability has been patched in version 19.0.1.

Frequently asked questions

What is CVE-2024-30266?: wasmtime is a runtime for WebAssembly. The 19.0.0 release of Wasmtime contains a regression introduced during its development which can lead to a guest WebAssembly module causing a panic in the host runtime. A valid WebAssembly module, when executed at runtime, may cause this panic. This vulnerability has been patched in version 19.0.1.
How severe is CVE-2024-30266?: CVE-2024-30266 has a CVSS 3.x base score of 3.3, rated low severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability low.
Is CVE-2024-30266 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (24th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-30266?: CVE-2024-30266 affects Bytecodealliance Wasmtime. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-30266?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-30266 have an EU (EUVD) identifier?: Yes. CVE-2024-30266 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-1137.
When was CVE-2024-30266 published?: CVE-2024-30266 was published on 2024-04-04 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:bytecodealliance:wasmtime:19.0.0:*:*:*:*:rust:*:*

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