CVE-2024-34252: pywasm3 contains a global buffer overflow which leads to segmentation fault

May 6, 2024 (updated June 9, 2026)

wasm3 v0.5.0 was discovered to contain a global buffer overflow which leads to segmentation fault via the function “PreserveRegisterIfOccupied” in wasm3/source/m3_compile.c.

References

github.com/advisories/GHSA-hh39-vjv8-j337
github.com/pypa/advisory-database/tree/main/vulns/pywasm3/PYSEC-2024-309.yaml
github.com/wasm3/pywasm3/blob/main/wasm3/m3_compile.c
github.com/wasm3/wasm3/issues/483
nvd.nist.gov/vuln/detail/CVE-2024-34252

Code Behaviors & Features

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