Out-of-bounds Read in Bytecodealliance Webassembly_micro_runtime

CVE-2024-34251

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.

Vulnerability class: Buffer Overflow

EPSS: 0.008 (50.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2024-34251?
CVE-2024-34251 is a high-severity vulnerability in Bytecodealliance Webassembly_micro_runtime, classified under Out-of-bounds Read. CVSS score: 7.5/10. Published 2024-05-06.
How severe is CVE-2024-34251?
High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2024-34251 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.