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Low severity3.3NVD Advisory· Published Jun 19, 2025· Updated Apr 29, 2026

CVE-2025-6273

CVE-2025-6273

Description

A vulnerability was found in WebAssembly wabt up to 1.0.37 and classified as problematic. This issue affects the function LogOpcode of the file src/binary-reader-objdump.cc. The manipulation leads to reachable assertion. Local access is required to approach this attack. The exploit has been disclosed to the public and may be used. The real existence of this vulnerability is still doubted at the moment. The code maintainer explains that this issue might not affect "real world wasm programs".

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Affected products

2
  • Webassembly/Wabt2 versions
    cpe:2.3:a:webassembly:wabt:*:*:*:*:*:*:*:*+ 1 more
    • cpe:2.3:a:webassembly:wabt:*:*:*:*:*:*:*:*range: <=1.0.37
    • (no CPE)range: <=1.0.37

Patches

Vulnerability mechanics

References

4

News mentions

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