CVSS 4.0
1.9 lowCVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:PCVE-2025-6272
Low (1.9) in wasm3 project wasm3. 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.
Severity
CVSS 3.1
3.3 lowCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L- EPSS
- 0.2% chance of exploitation in the next 30 days; higher than 14% of CVEs (scores of 2026-10-31)
- CWEs
- CWE-119, CWE-787
- Published
- Modified
- Record from
- the NVD, synced
Affected
- wasm3_project:wasm3
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-rrmw-gv85-w824 | PyPI | pywasm3 | <=0.5.0 | no fix published |
| PYSEC-2025-186 | PyPI | pywasm3 | <=0.5.0 | no fix published |