# CVE-2023-31621: virtuoso-opensource: An issue in the kc_var_col component of openlink virtuoso-opensource v7.2.9 allows attackers to cause a Denial of Ser...

CVE-2023-31621 is fixed in virtuoso-opensource on 1 platform, first by DEBIAN-CVE-2023-31621, released May 15, 2023. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2023-31621
- Priority: High
- CVSS: 7.5 (high)
- EPSS: 0.0091
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: May 15, 2023

## Description

An issue in the kc_var_col component of openlink virtuoso-opensource v7.2.9 allows attackers to cause a Denial of Service (DoS) via crafted SQL statements.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | virtuoso-opensource Debian 13.5 (trixie) | 7.2.12+dfsg-0.2 | [DEBIAN-CVE-2023-31621](https://patchblox.com/security/data/fix/linux/debian-cve-2023-31621.md) | May 15, 2023 |
| Linux | virtuoso-opensource Debian 14 | 7.2.12+dfsg-0.2 | [DEBIAN-CVE-2023-31621](https://patchblox.com/security/data/fix/linux/debian-cve-2023-31621.md) | May 15, 2023 |

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Data as of 2026-11-10T01:44:33Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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