Wasm3 Project: >> Wasm3 >> 0.5.0 Security Vulnerabilities
A vulnerability was detected in wasm3 up to 0.5.0. Impacted is the function op_SetSlot_i32/op_CallIndirect of the file m3_exec.h. Performing manipulation results in memory corruption. The attack needs to be approached locally. The exploit is now public and may be used. Unfortunately, the project has no active maintainer at the moment.
CVSS Score
5.3
EPSS Score
0.0
Published
2026-01-01
A vulnerability has been found in wasm3 0.5.0 and classified as problematic. This vulnerability affects the function MarkSlotAllocated of the file source/m3_compile.c. The manipulation leads to out-of-bounds write. An attack has to be approached locally. The exploit has been disclosed to the public and may be used.
CVSS Score
3.3
EPSS Score
0.0
Published
2025-06-19
wasm3 v0.5.0 was discovered to contain an out-of-bound memory read which leads to segmentation fault via the function "main" in wasm3/platforms/app/main.c.
CVSS Score
7.5
EPSS Score
0.006
Published
2024-05-06
wasm3 v0.5.0 was discovered to contain a heap buffer overflow which leads to segmentation fault via the function "DeallocateSlot" in wasm3/source/m3_compile.c.
CVSS Score
9.8
EPSS Score
0.009
Published
2024-05-06
wasm3 v0.5.0 was discovered to contain a global buffer overflow which leads to segmentation fault via the function "PreserveRegisterIfOccupied" in wasm3/source/m3_compile.c.
CVSS Score
7.5
EPSS Score
0.005
Published
2024-05-06
WASM3 v0.5.0 was discovered to contain a segmentation fault via the component op_Select_i32_srs in wasm3/source/m3_exec.h.
CVSS Score
7.5
EPSS Score
0.003
Published
2022-09-20
WASM3 v0.5.0 was discovered to contain a segmentation fault via the component Compile_Memory_CopyFill.
CVSS Score
5.5
EPSS Score
0.0
Published
2022-07-27
WASM3 v0.5.0 was discovered to contain a heap overflow via the component /wabt/bin/poc.wasm.
CVSS Score
7.8
EPSS Score
0.001
Published
2022-05-20
Wasm3 0.5.0 has a heap-based buffer overflow in NewCodePage in m3_code.c (called indirectly from Compile_BranchTable in m3_compile.c).
CVSS Score
5.5
EPSS Score
0.001
Published
2022-04-16
Wasm3 0.5.0 has an out-of-bounds write in CompileBlock (called from CompileElseBlock and Compile_If).
CVSS Score
5.5
EPSS Score
0.001
Published
2022-01-01
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