# CVE-2024-4340: sqlparse: Passing a heavily nested list to sqlparse.parse() leads to a Denial of Service due to RecursionError.

CVE-2024-4340 is fixed in 3 products on 1 platform, first by python3-sqlparse 0.4.2-1ubuntu0.22.04.2, released April 30, 2024. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2024-4340
- Priority: High
- CVSS: 7.5 (high)
- EPSS: 0.0324
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Apr 30, 2024

## Description

Passing a heavily nested list to sqlparse.parse() leads to a Denial of Service due to RecursionError.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | python3-sqlparse Ubuntu 22.04.1 LTS (jammy) | 0.4.2-1ubuntu0.22.04.2 | [python3-sqlparse 0.4.2-1ubuntu0.22.04.2](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-python3-sqlparse-0.4.2-1ubuntu0.22.04.2.md) | Apr 30, 2024 |
| Linux | python3-sqlparse Ubuntu 24.04.5 LTS (noble) | 0.4.4-1ubuntu0.1 | [python3-sqlparse 0.4.4-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-python3-sqlparse-0.4.4-1ubuntu0.1.md) | Apr 30, 2024 |
| Linux | python3-sqlparse sles 15.6 | 0.4.2-150300.12.1 | [SUSE-SU-2024:1861-1](https://patchblox.com/security/data/fix/linux/suse-su-2024-1861-1.md) | May 30, 2024 |
| Linux | sqlformat Ubuntu 22.04.1 LTS (jammy) | 0.4.2-1ubuntu0.22.04.2 | [sqlformat 0.4.2-1ubuntu0.22.04.2](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-sqlformat-0.4.2-1ubuntu0.22.04.2.md) | Apr 30, 2024 |
| Linux | sqlformat Ubuntu 24.04.5 LTS (noble) | 0.4.4-1ubuntu0.1 | [sqlformat 0.4.4-1ubuntu0.1](https://patchblox.com/security/data/fix/linux/ubuntu-noble-sqlformat-0.4.4-1ubuntu0.1.md) | Apr 30, 2024 |
| Linux | sqlparse Debian 12.15 (bookworm) | 0.4.2-1+deb12u1 | [DEBIAN-CVE-2024-4340](https://patchblox.com/security/data/fix/linux/debian-cve-2024-4340.md) | Apr 30, 2024 |
| Linux | sqlparse Debian 13.5 (trixie) | 0.5.0-1 | [DEBIAN-CVE-2024-4340](https://patchblox.com/security/data/fix/linux/debian-cve-2024-4340.md) | Apr 30, 2024 |
| Linux | sqlparse Debian 14 | 0.5.0-1 | [DEBIAN-CVE-2024-4340](https://patchblox.com/security/data/fix/linux/debian-cve-2024-4340.md) | Apr 30, 2024 |

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Data as of 2026-11-08T06:59:42Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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