How severe is CVE-2024-34250?

CVE-2024-34250 has a CVSS 3.x base score of 6.2, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.

Is CVE-2024-34250 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-34250?

CVE-2024-34250 affects Bytecodealliance Webassembly Micro Runtime. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-34250?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2024-34250 have an EU (EUVD) identifier?

Yes. CVE-2024-34250 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-34712.

When was CVE-2024-34250 published?

CVE-2024-34250 was published on 2024-05-06 and last updated on 2026-06-17.

CVE-2024-34250

CVE-2024-34250 is a medium-severity vulnerability in Bytecodealliance Webassembly Micro Runtime with a CVSS 3.x base score of 6.2. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-122.

Key facts

Severity: Medium (CVSS 3.x base score 6.2)
EPSS exploit prediction: 0% (25th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-34712
Weakness: CWE-122
Affected product: Bytecodealliance Webassembly Micro Runtime
Published: 2024-05-06
Last modified: 2026-06-17

Description

A heap buffer overflow vulnerability was discovered in Bytecode Alliance wasm-micro-runtime v2.0.0 which allows a remote attacker to cause at least a denial of service via the "wasm_loader_check_br" function in core/iwasm/interpreter/wasm_loader.c.

Frequently asked questions

What is CVE-2024-34250?: A heap buffer overflow vulnerability was discovered in Bytecode Alliance wasm-micro-runtime v2.0.0 which allows a remote attacker to cause at least a denial of service via the "wasm_loader_check_br" function in core/iwasm/interpreter/wasm_loader.c.
How severe is CVE-2024-34250?: CVE-2024-34250 has a CVSS 3.x base score of 6.2, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
Is CVE-2024-34250 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (25th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-34250?: CVE-2024-34250 affects Bytecodealliance Webassembly Micro Runtime. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-34250?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-34250 have an EU (EUVD) identifier?: Yes. CVE-2024-34250 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-34712.
When was CVE-2024-34250 published?: CVE-2024-34250 was published on 2024-05-06 and last updated on 2026-06-17.

References

https://github.com/bytecodealliance/wasm-micro-runtime/issues/3346

Affected products (1)

cpe:2.3:a:bytecodealliance:webassembly_micro_runtime:2.0.0:*:*:*:*:*:*:*

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