# CVE-2020-1934: apache2-data: In Apache HTTP Server 2.4.0 to 2.4.41, mod_proxy_ftp may use uninitialized memory when proxying to a malicious FTP se...

CVE-2020-1934 is fixed in 19 products on 1 platform, first by apache2 2.4.29-1ubuntu4.14, released August 7, 2020. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2020-1934
- Priority: Routine
- CVSS: 5.3 (Low)
- EPSS: 0.5195
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Apr 1, 2020

## Description

In Apache HTTP Server 2.4.0 to 2.4.41, mod_proxy_ftp may use uninitialized memory when proxying to a malicious FTP server.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | apache2 Ubuntu 18.04.6 LTS (bionic) | 2.4.29-1ubuntu4.14 | [apache2 2.4.29-1ubuntu4.14](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-apache2-2.4.29-1ubuntu4.14.md) | Aug 7, 2020 |
| Linux | apache2 Ubuntu 20.04 LTS (focal) | 2.4.41-4ubuntu3.1 | [apache2 2.4.41-4ubuntu3.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-apache2-2.4.41-4ubuntu3.1.md) | Aug 7, 2020 |
| Linux | apache2-bin Ubuntu 18.04.6 LTS (bionic) | 2.4.29-1ubuntu4.14 | [apache2-bin 2.4.29-1ubuntu4.14](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-apache2-bin-2.4.29-1ubuntu4.14.md) | Aug 7, 2020 |
| Linux | apache2-bin Ubuntu 20.04 LTS (focal) | 2.4.41-4ubuntu3.1 | [apache2-bin 2.4.41-4ubuntu3.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-apache2-bin-2.4.41-4ubuntu3.1.md) | Aug 7, 2020 |
| Linux | apache2-data Ubuntu 18.04.6 LTS (bionic) | 2.4.29-1ubuntu4.14 | [apache2-data 2.4.29-1ubuntu4.14](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-apache2-data-2.4.29-1ubuntu4.14.md) | Aug 7, 2020 |
| Linux | apache2-data Ubuntu 20.04 LTS (focal) | 2.4.41-4ubuntu3.1 | [apache2-data 2.4.41-4ubuntu3.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-apache2-data-2.4.41-4ubuntu3.1.md) | Aug 7, 2020 |
| Linux | apache2-suexec-custom Ubuntu 18.04.6 LTS (bionic) | 2.4.29-1ubuntu4.14 | [apache2-suexec-custom 2.4.29-1ubuntu4.14](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-apache2-suexec-custom-2.4.29-1ubuntu4.14.md) | Aug 7, 2020 |
| Linux | apache2-suexec-custom Ubuntu 20.04 LTS (focal) | 2.4.41-4ubuntu3.1 | [apache2-suexec-custom 2.4.41-4ubuntu3.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-apache2-suexec-custom-2.4.41-4ubuntu3.1.md) | Aug 7, 2020 |
| Linux | apache2-suexec-pristine Ubuntu 18.04.6 LTS (bionic) | 2.4.29-1ubuntu4.14 | [apache2-suexec-pristine 2.4.29-1ubuntu4.14](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-apache2-suexec-pristine-2.4.29-1ubuntu4.14.md) | Aug 7, 2020 |
| Linux | apache2-suexec-pristine Ubuntu 20.04 LTS (focal) | 2.4.41-4ubuntu3.1 | [apache2-suexec-pristine 2.4.41-4ubuntu3.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-apache2-suexec-pristine-2.4.41-4ubuntu3.1.md) | Aug 7, 2020 |
| Linux | apache2-utils Ubuntu 18.04.6 LTS (bionic) | 2.4.29-1ubuntu4.14 | [apache2-utils 2.4.29-1ubuntu4.14](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-apache2-utils-2.4.29-1ubuntu4.14.md) | Aug 7, 2020 |
| Linux | apache2-utils Ubuntu 20.04 LTS (focal) | 2.4.41-4ubuntu3.1 | [apache2-utils 2.4.41-4ubuntu3.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-apache2-utils-2.4.41-4ubuntu3.1.md) | Aug 7, 2020 |
| Linux | httpd RHEL 8 | 0:2.4.37-30.module+el8.3.0+7001+0766b9e7 | [RHSA-2020:4751](https://patchblox.com/security/data/fix/linux/rhsa-2020-4751.md) | Nov 4, 2020 |
| Linux | httpd ol 8 | 0:2.4.37-30.0.1.module+el8.3.0+7816+49791cfd | [ELSA-2020-4751](https://patchblox.com/security/data/fix/linux/elsa-2020-4751.md) | Nov 10, 2020 |
| Linux | httpd-devel RHEL 8 | 0:2.4.37-30.module+el8.3.0+7001+0766b9e7 | [RHSA-2020:4751](https://patchblox.com/security/data/fix/linux/rhsa-2020-4751.md) | Nov 4, 2020 |
| Linux | httpd-devel ol 8 | 0:2.4.37-30.0.1.module+el8.3.0+7816+49791cfd | [ELSA-2020-4751](https://patchblox.com/security/data/fix/linux/elsa-2020-4751.md) | Nov 10, 2020 |
| Linux | httpd-filesystem RHEL 8 | 0:2.4.37-30.module+el8.3.0+7001+0766b9e7 | [RHSA-2020:4751](https://patchblox.com/security/data/fix/linux/rhsa-2020-4751.md) | Nov 4, 2020 |
| Linux | httpd-filesystem ol 8 | 0:2.4.37-30.0.1.module+el8.3.0+7816+49791cfd | [ELSA-2020-4751](https://patchblox.com/security/data/fix/linux/elsa-2020-4751.md) | Nov 10, 2020 |
| Linux | httpd-manual RHEL 8 | 0:2.4.37-30.module+el8.3.0+7001+0766b9e7 | [RHSA-2020:4751](https://patchblox.com/security/data/fix/linux/rhsa-2020-4751.md) | Nov 4, 2020 |
| Linux | httpd-manual ol 8 | 0:2.4.37-30.0.1.module+el8.3.0+7816+49791cfd | [ELSA-2020-4751](https://patchblox.com/security/data/fix/linux/elsa-2020-4751.md) | Nov 10, 2020 |
| Linux | httpd-tools RHEL 8 | 0:2.4.37-30.module+el8.3.0+7001+0766b9e7 | [RHSA-2020:4751](https://patchblox.com/security/data/fix/linux/rhsa-2020-4751.md) | Nov 4, 2020 |
| Linux | httpd-tools ol 8 | 0:2.4.37-30.0.1.module+el8.3.0+7816+49791cfd | [ELSA-2020-4751](https://patchblox.com/security/data/fix/linux/elsa-2020-4751.md) | Nov 10, 2020 |
| Linux | libapache2-mod-md Ubuntu 20.04 LTS (focal) | 2.4.41-4ubuntu3.1 | [libapache2-mod-md 2.4.41-4ubuntu3.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libapache2-mod-md-2.4.41-4ubuntu3.1.md) | Aug 7, 2020 |
| Linux | libapache2-mod-proxy-uwsgi Ubuntu 20.04 LTS (focal) | 2.4.41-4ubuntu3.1 | [libapache2-mod-proxy-uwsgi 2.4.41-4ubuntu3.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libapache2-mod-proxy-uwsgi-2.4.41-4ubuntu3.1.md) | Aug 7, 2020 |
| Linux | mod_http2 RHEL 8 | 0:1.15.7-2.module+el8.3.0+7670+8bf57d29 | [RHSA-2020:4751](https://patchblox.com/security/data/fix/linux/rhsa-2020-4751.md) | Nov 4, 2020 |
| Linux | mod_http2 ol 8 | 0:1.15.7-2.module+el8.3.0+7816+49791cfd | [ELSA-2020-4751](https://patchblox.com/security/data/fix/linux/elsa-2020-4751.md) | Nov 10, 2020 |
| Linux | mod_ldap RHEL 8 | 0:2.4.37-30.module+el8.3.0+7001+0766b9e7 | [RHSA-2020:4751](https://patchblox.com/security/data/fix/linux/rhsa-2020-4751.md) | Nov 4, 2020 |
| Linux | mod_ldap ol 8 | 0:2.4.37-30.0.1.module+el8.3.0+7816+49791cfd | [ELSA-2020-4751](https://patchblox.com/security/data/fix/linux/elsa-2020-4751.md) | Nov 10, 2020 |
| Linux | mod_md RHEL 8 | 1:2.0.8-8.module+el8.3.0+6814+67d1e611 | [RHSA-2020:4751](https://patchblox.com/security/data/fix/linux/rhsa-2020-4751.md) | Nov 4, 2020 |
| Linux | mod_md ol 8 | 1:2.0.8-8.module+el8.3.0+7816+49791cfd | [ELSA-2020-4751](https://patchblox.com/security/data/fix/linux/elsa-2020-4751.md) | Nov 10, 2020 |
| Linux | mod_proxy_html RHEL 8 | 1:2.4.37-30.module+el8.3.0+7001+0766b9e7 | [RHSA-2020:4751](https://patchblox.com/security/data/fix/linux/rhsa-2020-4751.md) | Nov 4, 2020 |
| Linux | mod_proxy_html ol 8 | 1:2.4.37-30.0.1.module+el8.3.0+7816+49791cfd | [ELSA-2020-4751](https://patchblox.com/security/data/fix/linux/elsa-2020-4751.md) | Nov 10, 2020 |
| Linux | mod_session RHEL 8 | 0:2.4.37-30.module+el8.3.0+7001+0766b9e7 | [RHSA-2020:4751](https://patchblox.com/security/data/fix/linux/rhsa-2020-4751.md) | Nov 4, 2020 |
| Linux | mod_session ol 8 | 0:2.4.37-30.0.1.module+el8.3.0+7816+49791cfd | [ELSA-2020-4751](https://patchblox.com/security/data/fix/linux/elsa-2020-4751.md) | Nov 10, 2020 |
| Linux | mod_ssl RHEL 8 | 1:2.4.37-30.module+el8.3.0+7001+0766b9e7 | [RHSA-2020:4751](https://patchblox.com/security/data/fix/linux/rhsa-2020-4751.md) | Nov 4, 2020 |
| Linux | mod_ssl ol 8 | 1:2.4.37-30.0.1.module+el8.3.0+7816+49791cfd | [ELSA-2020-4751](https://patchblox.com/security/data/fix/linux/elsa-2020-4751.md) | Nov 10, 2020 |

---

Data as of 2026-11-08T00:53:09Z 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.
