CVE-2025-6272

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.

CVSS v3.1 Score

3.3

LOW

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

Weakness Type (CWE)

CWE-119 Buffer Overflow

CWE-787 Out-of-bounds Write

Affected Products

Vendor	Product	Versions
wasm3_project	wasm3	All

References

Exploits

https://github.com/user-attachments/files/19516600/wasm3_crash.txt https://github.com/wasm3/wasm3/issues/531 https://github.com/wasm3/wasm3/issues/531

Other References

https://vuldb.com/?ctiid.313276 https://vuldb.com/?id.313276 https://vuldb.com/?submit.593008

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. It has a CVSS v3.1 base score of 3.3 (LOW).

How severe is CVE-2025-6272? +

CVE-2025-6272 has a CVSS v3.1 score of 3.3 out of 10, rated LOW. This is a low-severity vulnerability with limited impact.

What products are affected by CVE-2025-6272? +

CVE-2025-6272 affects products from wasm3_project, specifically: wasm3. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-6272? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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