CVE-2023-27117

7.8 highEPSS 0.3%

High (7.8) in webassembly webassembly. EPSS 0.3% chance of exploitation in the next 30 days.

WebAssembly v1.0.29 was discovered to contain a heap overflow via the component component wabt::Node::operator.

Severity

7.8 high

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

EPSS: 0.3% chance of exploitation in the next 30 days; higher than 24% of CVEs (scores of 2026-10-31)
CWE: CWE-787
Published: 2023-03-10
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Advisory	Ecosystem	Package	Affected	Fixed in
PYSEC-2023-317	PyPI	wabt	<=1.0.29	no fix published