CVE-2018-13443
EOS.IO jit-wasm 4.1 has a heap-based buffer overflow via a crafted wast file.
EOS.IO jit-wasm 4.1 has a heap-based buffer overflow via a crafted wast file.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
EOS.IO jit-wasm 4.1 has a heap-based buffer overflow via a crafted wast file.
- Record
CVE-2018-13443- CVSS 3.0
- 8.8 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - CVSS 2.0
- 6.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:P - Weakness
- CWE-787
- Updated
- 2026-11-02
CVE List No score
EOS.IO jit-wasm 4.1 has a heap-based buffer overflow via a crafted wast file.
- Record
CVE-2018-13443- Updated
- 2026-11-02
EUVDEUVD-2018-5385 No score
EOS.IO jit-wasm 4.1 has a heap-based buffer overflow via a crafted wast file.
- Record
EUVD-2018-5385- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-r294-w7w3-qg2m
EOS.IO jit-wasm 4.1 has a heap-based buffer overflow via a crafted wast file.
EOS.IO jit-wasm 4.1 has a heap-based buffer overflow via a crafted wast file.
- Record
GHSA-r294-w7w3-qg2m- CVSS 3.0
- 8.8 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Weakness
- CWE-787
- Updated
- 2026-11-02
OSV
EOS.IO jit-wasm 4.1 has a heap-based buffer overflow via a crafted wast file.
- Record
CVE-2018-13443- CVSS 3.0
- 8.8 High
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-13443 is a high vulnerability (CVSS 8.8) in Block Jit-wasm, published April 24, 2019. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.05%, the 81st percentile. No source names a fixed version.