What’s Vulnerable › Vulnerabilities

CVE-2018-17293

• Severity: high (CVSS 8.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2018-09-21 · updated 2026-06-17
• Weakness: CWE-476

Description

An issue was discovered in WAVM before 2018-09-16. The run function in Programs/wavm/wavm.cpp does not check whether there is Emscripten memory to store the command-line arguments passed by the input WebAssembly file's main function, which allows attackers to cause a denial of service (application crash by NULL pointer dereference) or possibly have unspecified other impact by crafting certain WebAssembly files.

Affected products

• Webassembly Virtual Machine Project Webassembly Virtual Machine: before 2018-09-16 — fixed in 2018-09-16

How to fix

Upgrade to a fixed version: Webassembly Virtual Machine Project Webassembly Virtual Machine 2018-09-16. Check the vendor advisory for mitigations.

References

• https://github.com/WAVM/WAVM/commit/31d670b6489e6d708c3b04b911cdf14ac43d846d
• https://github.com/WAVM/WAVM/issues/110#issuecomment-421764693
• https://github.com/WAVM/WAVM/commit/31d670b6489e6d708c3b04b911cdf14ac43d846d
• https://github.com/WAVM/WAVM/issues/110#issuecomment-421764693

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