CVE-2023-52284

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2023-12-31 · updated 2026-06-17
Weakness: CWE-415

Description

Bytecode Alliance wasm-micro-runtime (aka WebAssembly Micro Runtime or WAMR) before 1.3.0 can have an "double free or corruption" error for a valid WebAssembly module because push_pop_frame_ref_offset is mishandled.

Affected products

bytecodealliance wasm-micro-runtime: before 1.3.0 — fixed in 1.3.0

How to fix

Upgrade to a fixed version: bytecodealliance wasm-micro-runtime 1.3.0. Check the vendor advisory for mitigations.

References

https://github.com/bytecodealliance/wasm-micro-runtime/compare/WAMR-1.2.3...WAMR-1.3.0
https://github.com/bytecodealliance/wasm-micro-runtime/issues/2586
https://github.com/bytecodealliance/wasm-micro-runtime/pull/2590
https://github.com/bytecodealliance/wasm-micro-runtime/compare/WAMR-1.2.3...WAMR-1.3.0
https://github.com/bytecodealliance/wasm-micro-runtime/issues/2586
https://github.com/bytecodealliance/wasm-micro-runtime/pull/2590

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