wasm2c-tableflip

wasm2c sandbox escape: guest module runs a shell command on the host Read the blog: trustsig.eu/blog wasmrtallocatefuncreftable in wasm2c/wasm-rt-impl-tableops.inc sets table-size from the module's declared element count and then ignores the result of calloc. When the allocation fails the table i...

EUVD-2026-76923

wasm2c in WebAssembly wabt through 1.0.41 allows sandbox escape in some situations that primarily involve 32-bit platforms, aka a "table flip" attack. It does not check the return value of calloc in wasmrtallocatefuncreftable wasm2c/wasm-rt-impl-tableops.inc. When the funcref table allocation...

DEBIAN-CVE-2026-90648

wasm2c in WebAssembly wabt through 1.0.41 allows sandbox escape in some situations that primarily involve 32-bit platforms, aka a "table flip" attack. It does not check the return value of calloc in wasmrtallocatefuncreftable wasm2c/wasm-rt-impl-tableops.inc. When the funcref table allocation...

CVE-2026-90648

wasm2c in WebAssembly wabt through 1.0.41 allows sandbox escape in some situations that primarily involve 32-bit platforms, aka a "table flip" attack. It does not check the return value of calloc in wasmrtallocatefuncreftable wasm2c/wasm-rt-impl-tableops.inc. When the funcref table allocation...

CVE-2026-90648

wasm2c in WebAssembly wabt through 1.0.41 allows sandbox escape in some situations that primarily involve 32-bit platforms, aka a "table flip" attack. It does not check the return value of calloc in wasmrtallocatefuncreftable wasm2c/wasm-rt-impl-tableops.inc. When the funcref table allocation...

UBUNTU-CVE-2026-90648

wasm2c in WebAssembly wabt through 1.0.41 allows sandbox escape in some situations that primarily involve 32-bit platforms, aka a "table flip" attack. It does not check the return value of calloc in wasmrtallocatefuncreftable wasm2c/wasm-rt-impl-tableops.inc. When the funcref table allocation...

CVE-2026-90648

wasm2c in WebAssembly wabt through 1.0.41 allows sandbox escape in some situations that primarily involve 32-bit platforms, aka a "table flip" attack. It does not check the return value of calloc in wasmrtallocatefuncreftable wasm2c/wasm-rt-impl-tableops.inc. When the funcref table allocation...

CVE-2026-90648

wasm2c in WebAssembly wabt through 1.0.41 allows sandbox escape in some situations that primarily involve 32-bit platforms, aka a "table flip" attack. It does not check the return value of calloc in wasmrtallocatefuncreftable wasm2c/wasm-rt-impl-tableops.inc. When the funcref table allocation...

CVE-2026-90648

wasm2c in WebAssembly wabt through 1.0.41 allows sandbox escape in some situations that primarily involve 32-bit platforms, aka a "table flip" attack. It does not check the return value of calloc in wasmrtallocatefuncreftable wasm2c/wasm-rt-impl-tableops.inc. When the funcref table allocation...

PT-2026-90728

Name of the Vulnerable Software and Affected Versions WebAssembly wabt versions prior to 1.0.42 Description An issue in wasm2c allows a sandbox escape, primarily on 32-bit platforms, through a method known as a table flip attack. The wasm rt allocate funcref table function in...