What’s Vulnerable › Vulnerabilities

CVE-2023-30300

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2023-05-03 · updated 2026-06-17
• Weakness: CWE-835

Description

An issue in the component hang.wasm of WebAssembly 1.0 causes an infinite loop.

Affected products

• W3 Webassembly: 1.0

References

• https://github.com/WebAssembly/wabt/issues/2180
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OSFFCKXUQ5PAC5UVXY7N6HEHVQ3AC2RG/
• https://github.com/WebAssembly/wabt/issues/2180
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/OSFFCKXUQ5PAC5UVXY7N6HEHVQ3AC2RG/

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