# CVE-2021-3497: gstreamer1-plugins-good: GStreamer is a streaming media framework based on graphs of filters that operate on media data

CVE-2021-3497 is fixed in 7 products on 1 platform, first by gstreamer1.0-gtk3 1.14.5-0ubuntu1~18.04.2, released April 19, 2021. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2021-3497
- Priority: High
- CVSS: 7.8 (Moderate)
- EPSS: 0.0122
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Apr 19, 2021

## Description

GStreamer is a streaming media framework based on graphs of filters that operate on media data. The gstreamer1-plugins-good packages contain a collection of well-supported plug-ins of good quality and under the LGPL license.  Security Fix(es):  * gstreamer-plugins-good: Use-after-free in matroska demuxing (CVE-2021-3497)  For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.  Additional Changes:  For detailed information on changes in this release, see the Red Hat Enterprise Linux 8.7 Release Notes linked from the References section.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | gstreamer1-plugins-good RHEL 8 | 0:1.16.1-3.el8 | [RHSA-2022:7618](https://patchblox.com/security/data/fix/linux/rhsa-2022-7618.md) | Nov 8, 2022 |
| Linux | gstreamer1-plugins-good almalinux 8 | 1.16.1-3.el8 | [ALSA-2022:7618](https://patchblox.com/security/data/fix/linux/alsa-2022-7618.md) | Nov 8, 2022 |
| Linux | gstreamer1-plugins-good ol 8 | 0:1.16.1-3.el8 | [ELSA-2022-7618](https://patchblox.com/security/data/fix/linux/elsa-2022-7618.md) | Nov 15, 2022 |
| Linux | gstreamer1-plugins-good rocky 8 | 0:1.16.1-3.el8 | [RLSA-2022:7618](https://patchblox.com/security/data/fix/linux/rlsa-2022-7618.md) | Nov 8, 2022 |
| Linux | gstreamer1-plugins-good-gtk RHEL 8 | 0:1.16.1-3.el8 | [RHSA-2022:7618](https://patchblox.com/security/data/fix/linux/rhsa-2022-7618.md) | Nov 8, 2022 |
| Linux | gstreamer1-plugins-good-gtk almalinux 8 | 1.16.1-3.el8 | [ALSA-2022:7618](https://patchblox.com/security/data/fix/linux/alsa-2022-7618.md) | Nov 8, 2022 |
| Linux | gstreamer1-plugins-good-gtk ol 8 | 0:1.16.1-3.el8 | [ELSA-2022-7618](https://patchblox.com/security/data/fix/linux/elsa-2022-7618.md) | Nov 15, 2022 |
| Linux | gstreamer1.0-gtk3 Ubuntu 18.04.6 LTS (bionic) | 1.14.5-0ubuntu1~18.04.2 | [gstreamer1.0-gtk3 1.14.5-0ubuntu1~18.04.2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-gstreamer1.0-gtk3-1.14.5-0ubuntu1-18.04.2.md) | Apr 19, 2021 |
| Linux | gstreamer1.0-gtk3 Ubuntu 20.04 LTS (focal) | 1.16.2-1ubuntu2.1 | [gstreamer1.0-gtk3 1.16.2-1ubuntu2.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-gstreamer1.0-gtk3-1.16.2-1ubuntu2.1.md) | Apr 19, 2021 |
| Linux | gstreamer1.0-plugins-good Ubuntu 18.04.6 LTS (bionic) | 1.14.5-0ubuntu1~18.04.2 | [gstreamer1.0-plugins-good 1.14.5-0ubuntu1~18.04.2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-gstreamer1.0-plugins-good-1.14.5-0ubuntu1-18.04.2.md) | Apr 19, 2021 |
| Linux | gstreamer1.0-plugins-good Ubuntu 20.04 LTS (focal) | 1.16.2-1ubuntu2.1 | [gstreamer1.0-plugins-good 1.16.2-1ubuntu2.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-gstreamer1.0-plugins-good-1.16.2-1ubuntu2.1.md) | Apr 19, 2021 |
| Linux | gstreamer1.0-pulseaudio Ubuntu 18.04.6 LTS (bionic) | 1.14.5-0ubuntu1~18.04.2 | [gstreamer1.0-pulseaudio 1.14.5-0ubuntu1~18.04.2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-gstreamer1.0-pulseaudio-1.14.5-0ubuntu1-18.04.2.md) | Apr 19, 2021 |
| Linux | gstreamer1.0-pulseaudio Ubuntu 20.04 LTS (focal) | 1.16.2-1ubuntu2.1 | [gstreamer1.0-pulseaudio 1.16.2-1ubuntu2.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-gstreamer1.0-pulseaudio-1.16.2-1ubuntu2.1.md) | Apr 19, 2021 |
| Linux | gstreamer1.0-qt5 Ubuntu 18.04.6 LTS (bionic) | 1.14.5-0ubuntu1~18.04.2 | [gstreamer1.0-qt5 1.14.5-0ubuntu1~18.04.2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-gstreamer1.0-qt5-1.14.5-0ubuntu1-18.04.2.md) | Apr 19, 2021 |
| Linux | gstreamer1.0-qt5 Ubuntu 20.04 LTS (focal) | 1.16.2-1ubuntu2.1 | [gstreamer1.0-qt5 1.16.2-1ubuntu2.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-gstreamer1.0-qt5-1.16.2-1ubuntu2.1.md) | Apr 19, 2021 |
| Linux | libgstreamer-plugins-good1.0-0 Ubuntu 18.04.6 LTS (bionic) | 1.14.5-0ubuntu1~18.04.2 | [libgstreamer-plugins-good1.0-0 1.14.5-0ubuntu1~18.04.2](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libgstreamer-plugins-good1.0-0-1.14.5-0ubuntu1-18.04.2.md) | Apr 19, 2021 |
| Linux | libgstreamer-plugins-good1.0-0 Ubuntu 20.04 LTS (focal) | 1.16.2-1ubuntu2.1 | [libgstreamer-plugins-good1.0-0 1.16.2-1ubuntu2.1](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libgstreamer-plugins-good1.0-0-1.16.2-1ubuntu2.1.md) | Apr 19, 2021 |

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