A Denial of Service vulnerability exits in Binaryen 103 due to an assertion abort in wasm::handle_unreachable.
Priority LOW 36CWE-617Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-617.
Summary
A Denial of Service vulnerability exits in Binaryen 103 due to an assertion abort in wasm::handle_unreachable.
Why it matters now
EPSS 0.01526 74th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:webassembly:binaryen:103:*:*:*:*:*:*:* | 103 | Vulnerable | WebAssembly |
| cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* | 34 | Vulnerable | Fedoraproject |
| cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* | 35 | Vulnerable | Fedoraproject |
- cpe:2.3:a:webassembly:binaryen:103:*:*:*:*:*:*:* Versions 103 Vulnerable ·WebAssembly
- cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* Versions 34 Vulnerable ·Fedoraproject
- cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* Versions 35 Vulnerable ·Fedoraproject
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2021-45290
- 2026-10-03 Alias added: GHSA-c9pj-gf53-pg7p
References
Sources
- CVE-2021-45290 · CVE Program
- CVE-2021-45290 · NVD
- FIRST EPSS
- GHSA-c9pj-gf53-pg7p · GitHub Advisory Database · CC BY 4.0
- CVE-2021-45290 · Red Hat security data · CC BY 4.0
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