# 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.

CVE-2024-34251 is fixed in 6 products on 1 platform, first by netdata 1.44.3-2ubuntu0.1, released January 16, 2026. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2024-34251
- Priority: High
- CVSS: 7.5 (Important)
- EPSS: 0.0076
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: May 13, 2024
- Weakness: Out-of-bounds Read
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-34251

## Description

An out-of-bound memory read vulnerability was discovered in BytecodeAlliance wasm-micro-runtime v2.0.0 which allows a remote attacker to causea denial of service via the "block_type_get_arity" function incore/iwasm/interpreter/wasm.h.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | netdata Ubuntu 24.10 (oracular) | 1.44.3-2ubuntu0.1 | [netdata 1.44.3-2ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-netdata-1.44.3-2ubuntu0.1.md) | Jan 16, 2026 |
| Linux | netdata-apache2 Ubuntu 24.10 (oracular) | 1.44.3-2ubuntu0.1 | [netdata-apache2 1.44.3-2ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-netdata-apache2-1.44.3-2ubuntu0.1.md) | Jan 16, 2026 |
| Linux | netdata-core Ubuntu 24.10 (oracular) | 1.44.3-2ubuntu0.1 | [netdata-core 1.44.3-2ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-netdata-core-1.44.3-2ubuntu0.1.md) | Jan 16, 2026 |
| Linux | netdata-plugins-bash Ubuntu 24.10 (oracular) | 1.44.3-2ubuntu0.1 | [netdata-plugins-bash 1.44.3-2ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-netdata-plugins-bash-1.44.3-2ubuntu0.1.md) | Jan 16, 2026 |
| Linux | netdata-plugins-python Ubuntu 24.10 (oracular) | 1.44.3-2ubuntu0.1 | [netdata-plugins-python 1.44.3-2ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-netdata-plugins-python-1.44.3-2ubuntu0.1.md) | Jan 16, 2026 |
| Linux | netdata-web Ubuntu 24.10 (oracular) | 1.44.3-2ubuntu0.1 | [netdata-web 1.44.3-2ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-oracular-netdata-web-1.44.3-2ubuntu0.1.md) | Jan 16, 2026 |

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Data as of 2026-11-09T07:25:28Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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