CVE catalog
CVE-2020-18382
binaryen: CVE-2020-18382
- Severity
- Medium
- Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.62% · Oct 25, 2026
Heap-buffer-overflow in /src/wasm/wasm-binary.cpp in wasm::WasmBinaryBuilder::visitBlock(wasm::Block*) in Binaryen 1.38.26. A crafted wasm input can cause a segmentation fault, leading to denial-of-service, as demonstrated by wasm-opt.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | binaryen | sid | 131-2 | fixed |
| Debian | binaryen | forky | 131-2 | fixed |
| Debian | binaryen | trixie | 120-4 | fixed |
| Debian | binaryen | bookworm | 108-1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | binaryen | source | sid | 68-1 | not yet assigned | Not reported | Not reported |
| Debian | binaryen | source | forky | 68-1 | not yet assigned | Not reported | Not reported |
| Debian | binaryen | source | trixie | 68-1 | not yet assigned | Not reported | Not reported |
| Debian | binaryen | source | bookworm | 68-1 | not yet assigned | Not reported | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [binaryen]Fixed
Details (2)
108-1· amd64 · bookwormFixed · Fixed:
68-1dsa · binaryen · debian · bookworm; dsa · binaryen · debian · 12
108-1· arm64 · bookwormFixed · Fixed:
68-1dsa · binaryen · debian · bookworm; dsa · binaryen · debian · 12
[Debian 13 (Trixie)]
- [binaryen]Fixed
Details (2)
120-4· amd64 · trixieFixed · Fixed:
68-1dsa · binaryen · debian · 13
120-4· arm64 · trixieFixed · Fixed:
68-1dsa · binaryen · debian · 13
Observed: