# CVE-2018-1058: libecpg6: A flaw was found in the way Postgresql allowed a user to modify the behavior of a query for other users

CVE-2018-1058 is fixed in 12 products on 1 platform, first by libecpg-compat3 10.3-1, released February 27, 2018. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2018-1058
- Priority: Routine
- CVSS: n/a (Medium)
- EPSS: 0.1310
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Feb 27, 2018

## Description

A flaw was found in the way Postgresql allowed a user to modify the behavior of a query for other users. An attacker with a user account could use this flaw to execute code with the permissions of superuser in the database. Versions 9.3 through 10 are affected.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | libecpg-compat3 Ubuntu 18.04.6 LTS (bionic) | 10.3-1 | [libecpg-compat3 10.3-1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libecpg-compat3-10.3-1.md) | Feb 27, 2018 |
| Linux | libecpg6 Ubuntu 18.04.6 LTS (bionic) | 10.3-1 | [libecpg6 10.3-1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libecpg6-10.3-1.md) | Feb 27, 2018 |
| Linux | libpgtypes3 Ubuntu 18.04.6 LTS (bionic) | 10.3-1 | [libpgtypes3 10.3-1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libpgtypes3-10.3-1.md) | Feb 27, 2018 |
| Linux | libpq5 Ubuntu 18.04.6 LTS (bionic) | 10.3-1 | [libpq5 10.3-1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libpq5-10.3-1.md) | Feb 27, 2018 |
| Linux | postgresql-10 Ubuntu 18.04.6 LTS (bionic) | 10.3-1 | [postgresql-10 10.3-1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-postgresql-10-10.3-1.md) | Feb 27, 2018 |
| Linux | postgresql-client-10 Ubuntu 18.04.6 LTS (bionic) | 10.3-1 | [postgresql-client-10 10.3-1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-postgresql-client-10-10.3-1.md) | Feb 27, 2018 |
| Linux | postgresql-doc-10 Ubuntu 18.04.6 LTS (bionic) | 10.3-1 | [postgresql-doc-10 10.3-1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-postgresql-doc-10-10.3-1.md) | Feb 27, 2018 |
| Linux | postgresql-plperl-10 Ubuntu 18.04.6 LTS (bionic) | 10.3-1 | [postgresql-plperl-10 10.3-1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-postgresql-plperl-10-10.3-1.md) | Feb 27, 2018 |
| Linux | postgresql-plpython-10 Ubuntu 18.04.6 LTS (bionic) | 10.3-1 | [postgresql-plpython-10 10.3-1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-postgresql-plpython-10-10.3-1.md) | Feb 27, 2018 |
| Linux | postgresql-plpython3-10 Ubuntu 18.04.6 LTS (bionic) | 10.3-1 | [postgresql-plpython3-10 10.3-1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-postgresql-plpython3-10-10.3-1.md) | Feb 27, 2018 |
| Linux | postgresql-pltcl-10 Ubuntu 18.04.6 LTS (bionic) | 10.3-1 | [postgresql-pltcl-10 10.3-1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-postgresql-pltcl-10-10.3-1.md) | Feb 27, 2018 |
| Linux | postgresql-server-dev-10 Ubuntu 18.04.6 LTS (bionic) | 10.3-1 | [postgresql-server-dev-10 10.3-1](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-postgresql-server-dev-10-10.3-1.md) | Feb 27, 2018 |

---

Data as of 2026-11-07T18:46:35Z 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

Free to use with attribution: show "Data: Patchblox Patch Radar" with a link to https://patchblox.com/security/patch-radar. Terms, including what needs a written agreement: https://patchblox.com/security/patch-radar/use-the-data

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.
