# CVE-2019-12528: squid-cgi: An issue was discovered in Squid before 4.10

CVE-2019-12528 is fixed in 8 products on 1 platform, first by squid 3.5.27-1ubuntu1.5, released February 4, 2020. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2019-12528
- Priority: High
- CVSS: 7.5 (Medium)
- EPSS: 0.1049
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Feb 4, 2020

## Description

An issue was discovered in Squid before 4.10. It allows a crafted FTP server to trigger disclosure of sensitive information from heap memory, such as information associated with other users' sessions or non-Squid processes.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | libecap RHEL 8 | 0:1.0.1-2.module+el8.1.0+4044+36416a77 | [RHSA-2020:4743](https://patchblox.com/security/data/fix/linux/rhsa-2020-4743.md) | Nov 4, 2020 |
| Linux | libecap ol 8 | 0:1.0.1-2.module+el8.3.0+7819+eb7d4ef6 | [ELSA-2020-4743](https://patchblox.com/security/data/fix/linux/elsa-2020-4743.md) | Nov 10, 2020 |
| Linux | libecap-devel RHEL 8 | 0:1.0.1-2.module+el8.1.0+4044+36416a77 | [RHSA-2020:4743](https://patchblox.com/security/data/fix/linux/rhsa-2020-4743.md) | Nov 4, 2020 |
| Linux | libecap-devel ol 8 | 0:1.0.1-2.module+el8.3.0+7819+eb7d4ef6 | [ELSA-2020-4743](https://patchblox.com/security/data/fix/linux/elsa-2020-4743.md) | Nov 10, 2020 |
| Linux | squid RHEL 8 | 7:4.11-3.module+el8.3.0+7851+7808b5f9 | [RHSA-2020:4743](https://patchblox.com/security/data/fix/linux/rhsa-2020-4743.md) | Nov 4, 2020 |
| Linux | squid Ubuntu 18.04.6 LTS (bionic) | 3.5.27-1ubuntu1.5 | [squid 3.5.27-1ubuntu1.5](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-squid-3.5.27-1ubuntu1.5.md) | Feb 4, 2020 |
| Linux | squid Ubuntu 20.04 LTS (focal) | 4.9-2ubuntu4 | [squid 4.9-2ubuntu4](https://patchblox.com/security/data/fix/linux/ubuntu-focal-squid-4.9-2ubuntu4.md) | Feb 4, 2020 |
| Linux | squid ol 8 | 7:4.11-3.module+el8.3.0+7819+eb7d4ef6 | [ELSA-2020-4743](https://patchblox.com/security/data/fix/linux/elsa-2020-4743.md) | Nov 10, 2020 |
| Linux | squid-cgi Ubuntu 18.04.6 LTS (bionic) | 3.5.27-1ubuntu1.5 | [squid-cgi 3.5.27-1ubuntu1.5](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-squid-cgi-3.5.27-1ubuntu1.5.md) | Feb 4, 2020 |
| Linux | squid-cgi Ubuntu 20.04 LTS (focal) | 4.9-2ubuntu4 | [squid-cgi 4.9-2ubuntu4](https://patchblox.com/security/data/fix/linux/ubuntu-focal-squid-cgi-4.9-2ubuntu4.md) | Feb 4, 2020 |
| Linux | squid-common Ubuntu 18.04.6 LTS (bionic) | 3.5.27-1ubuntu1.5 | [squid-common 3.5.27-1ubuntu1.5](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-squid-common-3.5.27-1ubuntu1.5.md) | Feb 4, 2020 |
| Linux | squid-common Ubuntu 20.04 LTS (focal) | 4.9-2ubuntu4 | [squid-common 4.9-2ubuntu4](https://patchblox.com/security/data/fix/linux/ubuntu-focal-squid-common-4.9-2ubuntu4.md) | Feb 4, 2020 |
| Linux | squid-purge Ubuntu 18.04.6 LTS (bionic) | 3.5.27-1ubuntu1.5 | [squid-purge 3.5.27-1ubuntu1.5](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-squid-purge-3.5.27-1ubuntu1.5.md) | Feb 4, 2020 |
| Linux | squid-purge Ubuntu 20.04 LTS (focal) | 4.9-2ubuntu4 | [squid-purge 4.9-2ubuntu4](https://patchblox.com/security/data/fix/linux/ubuntu-focal-squid-purge-4.9-2ubuntu4.md) | Feb 4, 2020 |
| Linux | squid3 Ubuntu 18.04.6 LTS (bionic) | 3.5.27-1ubuntu1.5 | [squid3 3.5.27-1ubuntu1.5](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-squid3-3.5.27-1ubuntu1.5.md) | Feb 4, 2020 |
| Linux | squid3 Ubuntu 20.04 LTS (focal) | 4.9-2ubuntu4 | [squid3 4.9-2ubuntu4](https://patchblox.com/security/data/fix/linux/ubuntu-focal-squid3-4.9-2ubuntu4.md) | Feb 4, 2020 |
| Linux | squidclient Ubuntu 18.04.6 LTS (bionic) | 3.5.27-1ubuntu1.5 | [squidclient 3.5.27-1ubuntu1.5](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-squidclient-3.5.27-1ubuntu1.5.md) | Feb 4, 2020 |
| Linux | squidclient Ubuntu 20.04 LTS (focal) | 4.9-2ubuntu4 | [squidclient 4.9-2ubuntu4](https://patchblox.com/security/data/fix/linux/ubuntu-focal-squidclient-4.9-2ubuntu4.md) | Feb 4, 2020 |

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