# CVE-2021-3709: apport: Function check_attachment_for_errors() in file data/general-hooks/ubuntu.py could be tricked into exposing private da... CVE-2021-3709 is fixed in 11 products on 1 platform, first by apport 2.20.9-0ubuntu7.26, released September 13, 2021. It is not reported as exploited. Patch Radar priority: Routine. - Web page: https://patchblox.com/security/cve/CVE-2021-3709 - Priority: Routine - CVSS: n/a (Medium) - EPSS: 0.0046 - CISA KEV: not listed - Exploited (vendor report): no - Publicly disclosed: no - Published: Sep 13, 2021 ## Description Function check_attachment_for_errors() in file data/general-hooks/ubuntu.py could be tricked into exposing private data via a constructed crash file. This issue affects: apport 2.14.1 versions prior to 2.14.1-0ubuntu3.29+esm8; 2.20.1 versions prior to 2.20.1-0ubuntu2.30+esm2; 2.20.9 versions prior to 2.20.9-0ubuntu7.26; 2.20.11 versions prior to 2.20.11-0ubuntu27.20; 2.20.11 versions prior to 2.20.11-0ubuntu65.3; ## Where it's fixed | Platform | Product | Fixed in | Fix | Released | |---|---|---|---|---| | Linux | apport Ubuntu 18.04.6 LTS (bionic) | 2.20.9-0ubuntu7.26 | [apport 2.20.9-0ubuntu7.26](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-apport-2.20.9-0ubuntu7.26.md) | Sep 13, 2021 | | Linux | apport Ubuntu 20.04 LTS (focal) | 2.20.11-0ubuntu27.20 | [apport 2.20.11-0ubuntu27.20](https://patchblox.com/security/data/fix/linux/ubuntu-focal-apport-2.20.11-0ubuntu27.20.md) | Sep 13, 2021 | | Linux | apport-gtk Ubuntu 18.04.6 LTS (bionic) | 2.20.9-0ubuntu7.26 | [apport-gtk 2.20.9-0ubuntu7.26](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-apport-gtk-2.20.9-0ubuntu7.26.md) | Sep 13, 2021 | | Linux | apport-gtk Ubuntu 20.04 LTS (focal) | 2.20.11-0ubuntu27.20 | [apport-gtk 2.20.11-0ubuntu27.20](https://patchblox.com/security/data/fix/linux/ubuntu-focal-apport-gtk-2.20.11-0ubuntu27.20.md) | Sep 13, 2021 | | Linux | apport-kde Ubuntu 18.04.6 LTS (bionic) | 2.20.9-0ubuntu7.26 | [apport-kde 2.20.9-0ubuntu7.26](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-apport-kde-2.20.9-0ubuntu7.26.md) | Sep 13, 2021 | | Linux | apport-kde Ubuntu 20.04 LTS (focal) | 2.20.11-0ubuntu27.20 | [apport-kde 2.20.11-0ubuntu27.20](https://patchblox.com/security/data/fix/linux/ubuntu-focal-apport-kde-2.20.11-0ubuntu27.20.md) | Sep 13, 2021 | | Linux | apport-noui Ubuntu 18.04.6 LTS (bionic) | 2.20.9-0ubuntu7.26 | [apport-noui 2.20.9-0ubuntu7.26](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-apport-noui-2.20.9-0ubuntu7.26.md) | Sep 13, 2021 | | Linux | apport-noui Ubuntu 20.04 LTS (focal) | 2.20.11-0ubuntu27.20 | [apport-noui 2.20.11-0ubuntu27.20](https://patchblox.com/security/data/fix/linux/ubuntu-focal-apport-noui-2.20.11-0ubuntu27.20.md) | Sep 13, 2021 | | Linux | apport-retrace Ubuntu 18.04.6 LTS (bionic) | 2.20.9-0ubuntu7.26 | [apport-retrace 2.20.9-0ubuntu7.26](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-apport-retrace-2.20.9-0ubuntu7.26.md) | Sep 13, 2021 | | Linux | apport-retrace Ubuntu 20.04 LTS (focal) | 2.20.11-0ubuntu27.20 | [apport-retrace 2.20.11-0ubuntu27.20](https://patchblox.com/security/data/fix/linux/ubuntu-focal-apport-retrace-2.20.11-0ubuntu27.20.md) | Sep 13, 2021 | | Linux | apport-valgrind Ubuntu 18.04.6 LTS (bionic) | 2.20.9-0ubuntu7.26 | [apport-valgrind 2.20.9-0ubuntu7.26](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-apport-valgrind-2.20.9-0ubuntu7.26.md) | Sep 13, 2021 | | Linux | apport-valgrind Ubuntu 20.04 LTS (focal) | 2.20.11-0ubuntu27.20 | [apport-valgrind 2.20.11-0ubuntu27.20](https://patchblox.com/security/data/fix/linux/ubuntu-focal-apport-valgrind-2.20.11-0ubuntu27.20.md) | Sep 13, 2021 | | Linux | dh-apport Ubuntu 18.04.6 LTS (bionic) | 2.20.9-0ubuntu7.26 | [dh-apport 2.20.9-0ubuntu7.26](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-dh-apport-2.20.9-0ubuntu7.26.md) | Sep 13, 2021 | | Linux | dh-apport Ubuntu 20.04 LTS (focal) | 2.20.11-0ubuntu27.20 | [dh-apport 2.20.11-0ubuntu27.20](https://patchblox.com/security/data/fix/linux/ubuntu-focal-dh-apport-2.20.11-0ubuntu27.20.md) | Sep 13, 2021 | | Linux | python-apport Ubuntu 18.04.6 LTS (bionic) | 2.20.9-0ubuntu7.26 | [python-apport 2.20.9-0ubuntu7.26](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-python-apport-2.20.9-0ubuntu7.26.md) | Sep 13, 2021 | | Linux | python-problem-report Ubuntu 18.04.6 LTS (bionic) | 2.20.9-0ubuntu7.26 | [python-problem-report 2.20.9-0ubuntu7.26](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-python-problem-report-2.20.9-0ubuntu7.26.md) | Sep 13, 2021 | | Linux | python3-apport Ubuntu 18.04.6 LTS (bionic) | 2.20.9-0ubuntu7.26 | [python3-apport 2.20.9-0ubuntu7.26](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-python3-apport-2.20.9-0ubuntu7.26.md) | Sep 13, 2021 | | Linux | python3-apport Ubuntu 20.04 LTS (focal) | 2.20.11-0ubuntu27.20 | [python3-apport 2.20.11-0ubuntu27.20](https://patchblox.com/security/data/fix/linux/ubuntu-focal-python3-apport-2.20.11-0ubuntu27.20.md) | Sep 13, 2021 | | Linux | python3-problem-report Ubuntu 18.04.6 LTS (bionic) | 2.20.9-0ubuntu7.26 | [python3-problem-report 2.20.9-0ubuntu7.26](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-python3-problem-report-2.20.9-0ubuntu7.26.md) | Sep 13, 2021 | | Linux | python3-problem-report Ubuntu 20.04 LTS (focal) | 2.20.11-0ubuntu27.20 | [python3-problem-report 2.20.11-0ubuntu27.20](https://patchblox.com/security/data/fix/linux/ubuntu-focal-python3-problem-report-2.20.11-0ubuntu27.20.md) | Sep 13, 2021 | --- Data as of 2026-11-08T19:12:23Z 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.