CVE-2025-6273

WebAssembly wabt binary-reader-objdump.cc LogOpcode assertion

Summary

Original description

The description as published by the source.

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".

Source: OSV.dev (Open Source Vulnerabilities) NVD OSV

Fix status by distribution

Fixed packages published by each distribution for this CVE

Debian DEBIAN-CVE-2025-6273 wabt
Ubuntu UBUNTU-CVE-2025-6273 wabt

References

advisory github.com
advisory nvd.nist.gov
advisory vuldb.com
advisory vuldb.com
report github.com
report vuldb.com
report github.com

Metadata

CVE: CVE-2025-6273
Published: 2025-06-19
First seen on SecPulse: 1 year ago
First-seen source: OSV.dev (Open Source Vulnerabilities)

CWE

CWE-617

Detection sources

OSV.dev (Open Source Vulnerabilities) 2 months ago