What’s Vulnerable › Vulnerabilities

CVE-2025-15572: wasm3 NewCodePage memory leak

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-02-10 · updated 2026-06-17
• Weakness: CWE-401

Description

A vulnerability has been found in wasm3 up to 0.5.0. The affected element is the function NewCodePage. The manipulation leads to memory leak. The attack must be carried out locally. The exploit has been disclosed to the public and may be used. Unfortunately, the project has no active maintainer at the moment.

Affected products

• wasm3: through 0.5.0

References

• https://github.com/oneafter/cve-proofs/blob/main/POC-20251203-07/repro
• https://github.com/wasm3/wasm3/
• https://github.com/wasm3/wasm3/issues/550
• https://vuldb.com/?ctiid.344934
• https://vuldb.com/?id.344934
• https://vuldb.com/?submit.752765

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