# CVE-2018-7409: libodbc1: In unixODBC before 2.3.5, there is a buffer overflow in the unicode_to_ansi_copy() function in DriverManager/__info.c.

CVE-2018-7409 is fixed in 4 products on 1 platform, first by libodbc1 2.3.4-1.1ubuntu3, released February 22, 2018. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2018-7409
- Priority: Routine
- CVSS: n/a (Low)
- EPSS: 0.0255
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Feb 22, 2018

## Description

In unixODBC before 2.3.5, there is a buffer overflow in the unicode_to_ansi_copy() function in DriverManager/__info.c.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | libodbc1 Ubuntu 18.04.6 LTS (bionic) | 2.3.4-1.1ubuntu3 | [libodbc1 2.3.4-1.1ubuntu3](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libodbc1-2.3.4-1.1ubuntu3.md) | Feb 22, 2018 |
| Linux | odbcinst Ubuntu 18.04.6 LTS (bionic) | 2.3.4-1.1ubuntu3 | [odbcinst 2.3.4-1.1ubuntu3](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-odbcinst-2.3.4-1.1ubuntu3.md) | Feb 22, 2018 |
| Linux | odbcinst1debian2 Ubuntu 18.04.6 LTS (bionic) | 2.3.4-1.1ubuntu3 | [odbcinst1debian2 2.3.4-1.1ubuntu3](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-odbcinst1debian2-2.3.4-1.1ubuntu3.md) | Feb 22, 2018 |
| Linux | unixodbc Ubuntu 18.04.6 LTS (bionic) | 2.3.4-1.1ubuntu3 | [unixodbc 2.3.4-1.1ubuntu3](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-unixodbc-2.3.4-1.1ubuntu3.md) | Feb 22, 2018 |

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Data as of 2026-11-07T12:40:37Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo