How severe is CVE-2025-6275?

CVE-2025-6275 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-2025-6275 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-6275?

CVE-2025-6275 affects Webassembly Wabt. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-6275?

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

Does CVE-2025-6275 have an EU (EUVD) identifier?

Yes. CVE-2025-6275 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-18695.

When was CVE-2025-6275 published?

CVE-2025-6275 was published on 2025-06-19 and last updated on 2026-06-17.

CVE-2025-6275

CVE-2025-6275 is a low-severity vulnerability in Webassembly Wabt 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% (9th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-18695
Weakness: CWE-119
Affected product: Webassembly Wabt
Published: 2025-06-19
Last modified: 2026-06-17

Description

A vulnerability was found in WebAssembly wabt up to 1.0.37. It has been declared as problematic. Affected by this vulnerability is the function GetFuncOffset of the file src/interp/binary-reader-interp.cc. The manipulation leads to use after free. It is possible to launch the attack on the local host. The exploit has been disclosed to the public and may be used. A similar issue reported during the same timeframe was disputed by the code maintainer because it might not affect "real world wasm programs". Therefore, this entry might get disputed as well in the future.

Frequently asked questions

What is CVE-2025-6275?: A vulnerability was found in WebAssembly wabt up to 1.0.37. It has been declared as problematic. Affected by this vulnerability is the function GetFuncOffset of the file src/interp/binary-reader-interp.cc. The manipulation leads to use after free. It is possible to launch the attack on the local host. The exploit has been disclosed to the public and may be used. A similar issue reported during the same timeframe was disputed by the code maintainer because it might not affect "real world wasm programs". Therefore, this entry might get disputed as well in the future.
How severe is CVE-2025-6275?: CVE-2025-6275 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-2025-6275 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (9th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-6275?: CVE-2025-6275 affects Webassembly Wabt. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-6275?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-6275 have an EU (EUVD) identifier?: Yes. CVE-2025-6275 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-18695.
When was CVE-2025-6275 published?: CVE-2025-6275 was published on 2025-06-19 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:webassembly:wabt:*:*:*:*:*:*:*:*

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