CVE-2025-6272: WASM3 Project WASM3

Low severity, CVSS 3.3. EPSS: 0.2% chance of exploitation in the next 30 days.

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.

Affected products

Published 2025-06-19. Last modified 2026-06-17.