# CVE-2025-27110: modsecurity: Libmodsecurity is one component of the ModSecurity v3 project

CVE-2025-27110 is fixed in modsecurity on 1 platform, first by DEBIAN-CVE-2025-27110, released February 25, 2025. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2025-27110
- Priority: High
- CVSS: 7.5 (high)
- EPSS: 0.0049
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Feb 25, 2025

## Description

Libmodsecurity is one component of the ModSecurity v3 project. The library codebase serves as an interface to ModSecurity Connectors taking in web traffic and applying traditional ModSecurity processing. A bug that exists only in Libmodsecurity3 version 3.0.13 means that, in 3.0.13, Libmodsecurity3 can't decode encoded HTML entities if they contains leading zeroes. Version 3.0.14 contains a fix. No known workarounds are available.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | modsecurity Debian 13.5 (trixie) | 3.0.14-1 | [DEBIAN-CVE-2025-27110](https://patchblox.com/security/data/fix/linux/debian-cve-2025-27110.md) | Feb 25, 2025 |
| Linux | modsecurity Debian 14 | 3.0.14-1 | [DEBIAN-CVE-2025-27110](https://patchblox.com/security/data/fix/linux/debian-cve-2025-27110.md) | Feb 25, 2025 |

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Data as of 2026-11-08T13:06:02Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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