CVE-2025-6272: pywasm3 has Improper Restriction of Operations within the Bounds of a Memory Buffer
(updated )
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.
References
- github.com/advisories/GHSA-rrmw-gv85-w824
- github.com/pypa/advisory-database/tree/main/vulns/pywasm3/PYSEC-2025-186.yaml
- github.com/user-attachments/files/19516600/wasm3_crash.txt
- github.com/wasm3/pywasm3/blob/main/wasm3/m3_compile.c
- github.com/wasm3/wasm3/issues/531
- nvd.nist.gov/vuln/detail/CVE-2025-6272
- vuldb.com/?ctiid.313276
- vuldb.com/?id.313276
- vuldb.com/?submit.593008
Code Behaviors & Features
Detect and mitigate CVE-2025-6272 with GitLab Dependency Scanning
Secure your software supply chain by verifying that all open source dependencies used in your projects contain no disclosed vulnerabilities. Dependency Scanning using SBOM also detects vulnerabilities from proprietary advisories that this site does not include. Learn more about Dependency Scanning using SBOM →