pywasm3 has Improper Restriction of Operations within the Bounds of a Memory Buffer

A vulnerability has been found in wasm3 0.5.0 and classified as problematic. This vulnerability affects the function MarkSlotAllocated of the file source/m3compile.c. The manipulation leads to out-of-bounds write. An attack has to be approached locally. The exploit has been disclosed to the publi...

CVE-2025-6272

Wasm3 v0.5.0 contains a vulnerability in the MarkSlotAllocated function in source/m3_compile.c that enables an out-of-bounds write. The issue is exploitable locally and has been disclosed publicly. Connected sources corroborate the basic details; one PT Security advisory suggests a temporary work...

GHSA-HH39-VJV8-J337 pywasm3 contains a global buffer overflow which leads to segmentation fault

wasm3 v0.5.0 was discovered to contain a global buffer overflow which leads to segmentation fault via the function "PreserveRegisterIfOccupied" in wasm3/source/m3compile.c...

PT-2024-25771 · Wasm3 · Wasm3

Name of the Vulnerable Software and Affected Versions: wasm3 version 0.5.0 Description: A global buffer overflow was discovered in wasm3, leading to a segmentation fault. This issue is related to the function PreserveRegisterIfOccupied in wasm3/source/m3 compile.c. Recommendations: For wasm3...

CVE-2022-28966

Wasm3 0.5.0 has a heap-based buffer overflow in NewCodePage in m3code.c called indirectly from CompileBranchTable in m3compile.c...

CVE-2022-28966

Wasm3 0.5.0 has a heap-based buffer overflow in NewCodePage in m3code.c called indirectly from CompileBranchTable in m3compile.c...

CVE-2021-45947

Wasm3 0.5.0 has an out-of-bounds write in RuntimeRelease called from EvaluateExpression and InitDataSegments...

CVE-2021-45946

Wasm3 0.5.0 has an out-of-bounds write in CompileBlock called from CompileLoopOrBlock and CompileBlockStatements...

CVE-2021-45947

Wasm3 0.5.0 has an out-of-bounds write in RuntimeRelease called from EvaluateExpression and InitDataSegments...

CVE-2021-45929

Wasm3 0.5.0 has an out-of-bounds write in CompileBlock called from CompileElseBlock and CompileIf...

CVE-2021-45929

Wasm3 0.5.0 has an out-of-bounds write in CompileBlock called from CompileElseBlock and CompileIf...

CVE-2021-45946

Wasm3 0.5.0 has an out-of-bounds write in CompileBlock called from CompileLoopOrBlock and CompileBlockStatements...

CVE-2021-45929

Wasm3 0.5.0 has an out-of-bounds write in CompileBlock called from CompileElseBlock and CompileIf...

CVE-2021-45947

Wasm3 0.5.0 has an out-of-bounds write in RuntimeRelease called from EvaluateExpression and InitDataSegments...

CVE-2021-45946

Wasm3 0.5.0 has an out-of-bounds write in CompileBlock called from CompileLoopOrBlock and CompileBlockStatements...

CVE-2021-38592

Wasm3 0.5.0 has a heap-based buffer overflow in opConst64 called from EvaluateExpression and m3LoadModule...

Heap overflow

Wasm3 0.5.0 has a heap-based buffer overflow in opConst64 called from EvaluateExpression and m3LoadModule...