CVE-2024-34251
highpriority · track · 0EPSS 0.008 · 55 %ileEURUUSEPSS · scored 2026-10-28
An out-of-bound memory read vulnerability was discovered in Bytecode Alliance wasm-micro-runtime v2.0.0 which allows a remote attacker to cause a denial of service via the "block_type_get_arity" function in core/iwasm/interpreter/wasm.h.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · medium–high · 6.9–7.5
ssvc
A stakeholder decision — act, attend, or track — from exploitation and impact.
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (3)
Products and version ranges known to be affected.
- bytecodealliance webassembly micro runtime= 2.0.0nvdUScpe:2.3:a:bytecodealliance:webassembly_micro_runtime:*:*:*:*:*:*:*:*
also known as (4)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (5)
External citations — patches, advisories, analysis.
- https://cxsecurity.com/cveshow/CVE-2024-34251/cnnvd
- https://github.com/bytecodealliance/wasm-micro-runtime/issues/3347cnnvd
- https://github.com/bytecodealliance/wasm-micro-runtime/pull/3352Patchcnnvd
- https://github.com/bytecodealliance/wasm-micro-runtime/issues/3347enisa_euvd
- https://github.com/bytecodealliance/wasm-micro-runtime/issues/3347ExploitIssue Trackingnvd
Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.
Free scan