CVE-2019-7154 The main function in tools/wasm2js.cpp in Binaryen 1.38.22 has a heap-based buffer overflow because Emscripten is misused, triggering an error in cashew::JSPrinter::printAst() in emscripten-optimizer/...
MediumCVSS 6.5
EPSS 1.1%
- Published
- Updated
- Exploit status
- No public exploit known
Description
The main function in tools/wasm2js.cpp in Binaryen 1.38.22 has a heap-based buffer overflow because Emscripten is misused, triggering an error in cashew::JSPrinter::printAst() in emscripten-optimizer/simple_ast.h. A crafted input can cause segmentation faults, leading to denial-of-service, as demonstrated by wasm2js.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| debian/binaryen(Debian:12) | < 66-1 | 66-1 |
| debian/binaryen(Debian:13) | < 66-1 | 66-1 |
| debian/binaryen(Debian:14) | < 66-1 | 66-1 |
| webassembly binaryen | < 65 | 65 |
| ubuntu/binaryen(Ubuntu:24.04) | All versions | No fix listed |
| ubuntu/binaryen(Ubuntu:26.04) | All versions | No fix listed |
| ubuntu/binaryen(Ubuntu:26.10) | All versions | No fix listed |
| ubuntu/binaryen(Ubuntu:22.04) | All versions | No fix listed |
References
- Ubuntu CVE tracker vendor-advisory
- www.cve.org
- Debian Security Tracker CVE-2019-7154 vendor-advisory
- github.com exploit patch third-party-advisory
- bugs.debian.org issue-tracking