CVE-2025-6273

WebAssembly wabt binary-reader-objdump.cc LogOpcode assertion

CVSS 4.8 MEDIUMEPSS 0.2%CWE-617

Vexday Risk Score

13Baixo

Decisão SSVC (CISA)

Track

Sem sinal de exploração → monitorar

CVSS 4.8EPSS 0.2%KEV nãoPoC —Nuclei —Metasploit —Patch —

Ciclo de vida

19 jun 2025Publicada no NVD

Recomendação: Monitorar — sem sinal de exploração no momento.

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".

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P

Produtos afetados

WebAssembly · wabt

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Referências

https://github.com/user-attachments/files/19529411/wabt_crash.txt https://github.com/WebAssembly/wabt/issues/2574 https://vuldb.com/?ctiid.313277 https://vuldb.com/?id.313277 https://vuldb.com/?submit.593010