Launch Week Day 1: Announcing Security Design Review
LOW 3.3 PyPI

pywasm3 has Improper Restriction of Operations within the Bounds of a Memory Buffer

GHSA-rrmw-gv85-w824 · CVE-2025-6272 · PYSEC-2025-186

Published · Modified

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.

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