How severe is CVE-2025-6272?

CVE-2025-6272 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-2025-6272 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-6272?

CVE-2025-6272 affects Wasm3 Project Wasm3. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-6272?

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

Does CVE-2025-6272 have an EU (EUVD) identifier?

Yes. CVE-2025-6272 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-18691.

When was CVE-2025-6272 published?

CVE-2025-6272 was published on 2025-06-19 and last updated on 2026-06-17.

CVE-2025-6272

CVE-2025-6272 is a low-severity vulnerability in Wasm3 Project Wasm3 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-119.

Key facts

Severity: Low (CVSS 3.x base score 3.3)
CVSS v2: 1.7
CVSS v4: 1.9
EPSS exploit prediction: 0% (8th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-18691
Weakness: CWE-119
Affected product: Wasm3 Project Wasm3
Published: 2025-06-19
Last modified: 2026-06-17

Description

A vulnerability has been found in wasm3 0.5.0 and classified as problematic. This vulnerability affects the function MarkSlotAllocated of the file source/m3_compile.c. The manipulation leads to out-of-bounds write. An attack has to be approached locally. The exploit has been disclosed to the public and may be used.

Frequently asked questions

What is CVE-2025-6272?: A vulnerability has been found in wasm3 0.5.0 and classified as problematic. This vulnerability affects the function MarkSlotAllocated of the file source/m3_compile.c. The manipulation leads to out-of-bounds write. An attack has to be approached locally. The exploit has been disclosed to the public and may be used.
How severe is CVE-2025-6272?: CVE-2025-6272 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-2025-6272 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (8th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-6272?: CVE-2025-6272 affects Wasm3 Project Wasm3. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-6272?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-6272 have an EU (EUVD) identifier?: Yes. CVE-2025-6272 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-18691.
When was CVE-2025-6272 published?: CVE-2025-6272 was published on 2025-06-19 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:wasm3_project:wasm3:0.5.0:*:*:*:*:*:*:*

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