# CVE-2026-18299: gst-plugins-good1.0: GStreamer rtpsbcdepay Use-After-Free Remote Code Execution Vulnerability

CVE-2026-18299 is fixed in 22 products on 1 platform, first by gstreamer1.0-gtk3 1.14.5-0ubuntu1~18.04.3+esm3, released August 20, 2026. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2026-18299
- Priority: High
- CVSS: 8.8 (high)
- EPSS: 0.0021
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Aug 20, 2026

## Description

GStreamer rtpsbcdepay Use-After-Free Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of GStreamer. Interaction with this library is required to exploit this vulnerability but attack vectors may vary depending on the implementation.  The specific flaw exists within the processing of RTP payload elements. The issue results from the lack of validating the existence of an object prior to performing operations on the object. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-29787.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Linux | gst-plugins-good1.0 Debian 12.15 (bookworm) | 1.22.0-5+deb12u4 | [DEBIAN-CVE-2026-18299](https://patchblox.com/security/data/fix/linux/debian-cve-2026-18299.md) | Aug 26, 2026 |
| Linux | gst-plugins-good1.0 Debian 14 | 1.28.5-1 | [DEBIAN-CVE-2026-18299](https://patchblox.com/security/data/fix/linux/debian-cve-2026-18299.md) | Aug 26, 2026 |
| Linux | gstreamer1-plugins-good RHEL 10 | 1.24.11-1.el10_0.7 | [RHSA-2026:71650](https://patchblox.com/security/data/fix/linux/rhsa-2026-71650.md) | Aug 26, 2026 |
| Linux | gstreamer1-plugins-good RHEL 8 | 0:1.16.1-7.el8_10.7 | [RHSA-2026:59179](https://patchblox.com/security/data/fix/linux/rhsa-2026-59179.md) | Aug 28, 2026 |
| Linux | gstreamer1-plugins-good RHEL 9 | 0:1.22.12-7.el9_8.8 | [RHSA-2026:59152](https://patchblox.com/security/data/fix/linux/rhsa-2026-59152.md) | Aug 28, 2026 |
| Linux | gstreamer1-plugins-good almalinux 10 | 1.26.7-2.el10_2.8 | [ALSA-2026:59972](https://patchblox.com/security/data/fix/linux/alsa-2026-59972.md) | Aug 26, 2026 |
| Linux | gstreamer1-plugins-good almalinux 8 | 1.16.1-7.el8_10.7 | [ALSA-2026:59179](https://patchblox.com/security/data/fix/linux/alsa-2026-59179.md) | Aug 24, 2026 |
| Linux | gstreamer1-plugins-good almalinux 9 | 1.22.12-7.el9_8.8 | [ALSA-2026:59152](https://patchblox.com/security/data/fix/linux/alsa-2026-59152.md) | Aug 24, 2026 |
| Linux | gstreamer1-plugins-good amzn 2023 | 1.24.10-1.amzn2023.0.11 | [ALAS2023-2026-3353](https://patchblox.com/security/data/fix/linux/alas2023-2026-3353.md) | Nov 7, 2026 |
| Linux | gstreamer1-plugins-good ol 10 | 0:1.26.7-2.el10_2.8 | [ELSA-2026-59972](https://patchblox.com/security/data/fix/linux/elsa-2026-59972.md) | Aug 26, 2026 |
| Linux | gstreamer1-plugins-good ol 8 | 0:1.16.1-7.el8_10.7 | [ELSA-2026-59179](https://patchblox.com/security/data/fix/linux/elsa-2026-59179.md) | Aug 24, 2026 |
| Linux | gstreamer1-plugins-good ol 9 | 0:1.22.12-7.el9_8.8 | [ELSA-2026-59152](https://patchblox.com/security/data/fix/linux/elsa-2026-59152.md) | Aug 24, 2026 |
| Linux | gstreamer1-plugins-good rocky 10 | 0:1.26.7-2.el10_2.8 | [RLSA-2026:59972](https://patchblox.com/security/data/fix/linux/rlsa-2026-59972.md) | Aug 26, 2026 |
| Linux | gstreamer1-plugins-good rocky 8 | 0:1.16.1-7.el8_10.7 | [RLSA-2026:59179](https://patchblox.com/security/data/fix/linux/rlsa-2026-59179.md) | Aug 25, 2026 |
| Linux | gstreamer1-plugins-good rocky 9 | 0:1.22.12-7.el9_8.8 | [RLSA-2026:59152](https://patchblox.com/security/data/fix/linux/rlsa-2026-59152.md) | Aug 25, 2026 |
| Linux | gstreamer1-plugins-good-debuginfo amzn 2023 | 1.24.10-1.amzn2023.0.11 | [ALAS2023-2026-3353](https://patchblox.com/security/data/fix/linux/alas2023-2026-3353.md) | Nov 7, 2026 |
| Linux | gstreamer1-plugins-good-debugsource amzn 2023 | 1.24.10-1.amzn2023.0.11 | [ALAS2023-2026-3353](https://patchblox.com/security/data/fix/linux/alas2023-2026-3353.md) | Nov 7, 2026 |
| Linux | gstreamer1-plugins-good-gtk RHEL 8 | 0:1.16.1-7.el8_10.7 | [RHSA-2026:59179](https://patchblox.com/security/data/fix/linux/rhsa-2026-59179.md) | Aug 28, 2026 |
| Linux | gstreamer1-plugins-good-gtk RHEL 9 | 0:1.22.12-7.el9_8.8 | [RHSA-2026:59152](https://patchblox.com/security/data/fix/linux/rhsa-2026-59152.md) | Aug 28, 2026 |
| Linux | gstreamer1-plugins-good-gtk almalinux 10 | 1.26.7-2.el10_2.8 | [ALSA-2026:59972](https://patchblox.com/security/data/fix/linux/alsa-2026-59972.md) | Aug 26, 2026 |
| Linux | gstreamer1-plugins-good-gtk almalinux 8 | 1.16.1-7.el8_10.7 | [ALSA-2026:59179](https://patchblox.com/security/data/fix/linux/alsa-2026-59179.md) | Aug 24, 2026 |
| Linux | gstreamer1-plugins-good-gtk almalinux 9 | 1.22.12-7.el9_8.8 | [ALSA-2026:59152](https://patchblox.com/security/data/fix/linux/alsa-2026-59152.md) | Aug 24, 2026 |
| Linux | gstreamer1-plugins-good-gtk amzn 2023 | 1.24.10-1.amzn2023.0.11 | [ALAS2023-2026-3353](https://patchblox.com/security/data/fix/linux/alas2023-2026-3353.md) | Nov 7, 2026 |
| Linux | gstreamer1-plugins-good-gtk ol 10 | 0:1.26.7-2.el10_2.8 | [ELSA-2026-59972](https://patchblox.com/security/data/fix/linux/elsa-2026-59972.md) | Aug 26, 2026 |
| Linux | gstreamer1-plugins-good-gtk ol 8 | 0:1.16.1-7.el8_10.7 | [ELSA-2026-59179](https://patchblox.com/security/data/fix/linux/elsa-2026-59179.md) | Aug 24, 2026 |
| Linux | gstreamer1-plugins-good-gtk ol 9 | 0:1.22.12-7.el9_8.8 | [ELSA-2026-59152](https://patchblox.com/security/data/fix/linux/elsa-2026-59152.md) | Aug 24, 2026 |
| Linux | gstreamer1-plugins-good-gtk-debuginfo amzn 2023 | 1.24.10-1.amzn2023.0.11 | [ALAS2023-2026-3353](https://patchblox.com/security/data/fix/linux/alas2023-2026-3353.md) | Nov 7, 2026 |
| Linux | gstreamer1.0-gtk3 Ubuntu 18.04.6 LTS (bionic) | 1.14.5-0ubuntu1~18.04.3+esm3 | [gstreamer1.0-gtk3 1.14.5-0ubuntu1~18.04.3+esm3](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-gstreamer1.0-gtk3-1.14.5-0ubuntu1-18.04.3-esm3.md) | Aug 20, 2026 |
| Linux | gstreamer1.0-gtk3 Ubuntu 20.04 LTS (focal) | 1.16.3-0ubuntu1.3+esm3 | [gstreamer1.0-gtk3 1.16.3-0ubuntu1.3+esm3](https://patchblox.com/security/data/fix/linux/ubuntu-focal-gstreamer1.0-gtk3-1.16.3-0ubuntu1.3-esm3.md) | Aug 20, 2026 |
| Linux | gstreamer1.0-gtk3 Ubuntu 22.04.1 LTS (jammy) | 1.20.3-0ubuntu1.9 | [gstreamer1.0-gtk3 1.20.3-0ubuntu1.9](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-gstreamer1.0-gtk3-1.20.3-0ubuntu1.9.md) | Aug 20, 2026 |
| Linux | gstreamer1.0-gtk3 Ubuntu 24.04.5 LTS (noble) | 1.24.2-1ubuntu1.7 | [gstreamer1.0-gtk3 1.24.2-1ubuntu1.7](https://patchblox.com/security/data/fix/linux/ubuntu-noble-gstreamer1.0-gtk3-1.24.2-1ubuntu1.7.md) | Aug 20, 2026 |
| Linux | gstreamer1.0-gtk3 Ubuntu 26.04.1 LTS (resolute) | 1.28.2-2ubuntu0.3 | [gstreamer1.0-gtk3 1.28.2-2ubuntu0.3](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-gstreamer1.0-gtk3-1.28.2-2ubuntu0.3.md) | Aug 20, 2026 |
| Linux | gstreamer1.0-plugins-good Ubuntu 18.04.6 LTS (bionic) | 1.14.5-0ubuntu1~18.04.3+esm3 | [gstreamer1.0-plugins-good 1.14.5-0ubuntu1~18.04.3+esm3](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-gstreamer1.0-plugins-good-1.14.5-0ubuntu1-18.04.3-esm3.md) | Aug 20, 2026 |
| Linux | gstreamer1.0-plugins-good Ubuntu 20.04 LTS (focal) | 1.16.3-0ubuntu1.3+esm3 | [gstreamer1.0-plugins-good 1.16.3-0ubuntu1.3+esm3](https://patchblox.com/security/data/fix/linux/ubuntu-focal-gstreamer1.0-plugins-good-1.16.3-0ubuntu1.3-esm3.md) | Aug 20, 2026 |
| Linux | gstreamer1.0-plugins-good Ubuntu 22.04.1 LTS (jammy) | 1.20.3-0ubuntu1.9 | [gstreamer1.0-plugins-good 1.20.3-0ubuntu1.9](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-gstreamer1.0-plugins-good-1.20.3-0ubuntu1.9.md) | Aug 20, 2026 |
| Linux | gstreamer1.0-plugins-good Ubuntu 24.04.5 LTS (noble) | 1.24.2-1ubuntu1.7 | [gstreamer1.0-plugins-good 1.24.2-1ubuntu1.7](https://patchblox.com/security/data/fix/linux/ubuntu-noble-gstreamer1.0-plugins-good-1.24.2-1ubuntu1.7.md) | Aug 20, 2026 |
| Linux | gstreamer1.0-plugins-good Ubuntu 26.04.1 LTS (resolute) | 1.28.2-2ubuntu0.3 | [gstreamer1.0-plugins-good 1.28.2-2ubuntu0.3](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-gstreamer1.0-plugins-good-1.28.2-2ubuntu0.3.md) | Aug 20, 2026 |
| Linux | gstreamer1.0-pulseaudio Ubuntu 18.04.6 LTS (bionic) | 1.14.5-0ubuntu1~18.04.3+esm3 | [gstreamer1.0-pulseaudio 1.14.5-0ubuntu1~18.04.3+esm3](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-gstreamer1.0-pulseaudio-1.14.5-0ubuntu1-18.04.3-esm3.md) | Aug 20, 2026 |
| Linux | gstreamer1.0-pulseaudio Ubuntu 20.04 LTS (focal) | 1.16.3-0ubuntu1.3+esm3 | [gstreamer1.0-pulseaudio 1.16.3-0ubuntu1.3+esm3](https://patchblox.com/security/data/fix/linux/ubuntu-focal-gstreamer1.0-pulseaudio-1.16.3-0ubuntu1.3-esm3.md) | Aug 20, 2026 |
| Linux | gstreamer1.0-pulseaudio Ubuntu 22.04.1 LTS (jammy) | 1.20.3-0ubuntu1.9 | [gstreamer1.0-pulseaudio 1.20.3-0ubuntu1.9](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-gstreamer1.0-pulseaudio-1.20.3-0ubuntu1.9.md) | Aug 20, 2026 |
| Linux | gstreamer1.0-pulseaudio Ubuntu 24.04.5 LTS (noble) | 1.24.2-1ubuntu1.7 | [gstreamer1.0-pulseaudio 1.24.2-1ubuntu1.7](https://patchblox.com/security/data/fix/linux/ubuntu-noble-gstreamer1.0-pulseaudio-1.24.2-1ubuntu1.7.md) | Aug 20, 2026 |
| Linux | gstreamer1.0-pulseaudio Ubuntu 26.04.1 LTS (resolute) | 1.28.2-2ubuntu0.3 | [gstreamer1.0-pulseaudio 1.28.2-2ubuntu0.3](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-gstreamer1.0-pulseaudio-1.28.2-2ubuntu0.3.md) | Aug 20, 2026 |
| Linux | gstreamer1.0-qt5 Ubuntu 18.04.6 LTS (bionic) | 1.14.5-0ubuntu1~18.04.3+esm3 | [gstreamer1.0-qt5 1.14.5-0ubuntu1~18.04.3+esm3](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-gstreamer1.0-qt5-1.14.5-0ubuntu1-18.04.3-esm3.md) | Aug 20, 2026 |
| Linux | gstreamer1.0-qt5 Ubuntu 20.04 LTS (focal) | 1.16.3-0ubuntu1.3+esm3 | [gstreamer1.0-qt5 1.16.3-0ubuntu1.3+esm3](https://patchblox.com/security/data/fix/linux/ubuntu-focal-gstreamer1.0-qt5-1.16.3-0ubuntu1.3-esm3.md) | Aug 20, 2026 |
| Linux | gstreamer1.0-qt5 Ubuntu 22.04.1 LTS (jammy) | 1.20.3-0ubuntu1.9 | [gstreamer1.0-qt5 1.20.3-0ubuntu1.9](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-gstreamer1.0-qt5-1.20.3-0ubuntu1.9.md) | Aug 20, 2026 |
| Linux | gstreamer1.0-qt5 Ubuntu 24.04.5 LTS (noble) | 1.24.2-1ubuntu1.7 | [gstreamer1.0-qt5 1.24.2-1ubuntu1.7](https://patchblox.com/security/data/fix/linux/ubuntu-noble-gstreamer1.0-qt5-1.24.2-1ubuntu1.7.md) | Aug 20, 2026 |
| Linux | gstreamer1.0-qt5 Ubuntu 26.04.1 LTS (resolute) | 1.28.2-2ubuntu0.3 | [gstreamer1.0-qt5 1.28.2-2ubuntu0.3](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-gstreamer1.0-qt5-1.28.2-2ubuntu0.3.md) | Aug 20, 2026 |
| Linux | gstreamer1.0-qt6 Ubuntu 24.04.5 LTS (noble) | 1.24.2-1ubuntu1.7 | [gstreamer1.0-qt6 1.24.2-1ubuntu1.7](https://patchblox.com/security/data/fix/linux/ubuntu-noble-gstreamer1.0-qt6-1.24.2-1ubuntu1.7.md) | Aug 20, 2026 |
| Linux | gstreamer1.0-qt6 Ubuntu 26.04.1 LTS (resolute) | 1.28.2-2ubuntu0.3 | [gstreamer1.0-qt6 1.28.2-2ubuntu0.3](https://patchblox.com/security/data/fix/linux/ubuntu-resolute-gstreamer1.0-qt6-1.28.2-2ubuntu0.3.md) | Aug 20, 2026 |
| Linux | libgstreamer-plugins-good1.0-0 Ubuntu 18.04.6 LTS (bionic) | 1.14.5-0ubuntu1~18.04.3+esm3 | [libgstreamer-plugins-good1.0-0 1.14.5-0ubuntu1~18.04.3+esm3](https://patchblox.com/security/data/fix/linux/ubuntu-bionic-libgstreamer-plugins-good1.0-0-1.14.5-0ubuntu1-18.04.3-esm3.md) | Aug 20, 2026 |
| Linux | libgstreamer-plugins-good1.0-0 Ubuntu 20.04 LTS (focal) | 1.16.3-0ubuntu1.3+esm3 | [libgstreamer-plugins-good1.0-0 1.16.3-0ubuntu1.3+esm3](https://patchblox.com/security/data/fix/linux/ubuntu-focal-libgstreamer-plugins-good1.0-0-1.16.3-0ubuntu1.3-esm3.md) | Aug 20, 2026 |
| Linux | libgstreamer-plugins-good1.0-0 Ubuntu 22.04.1 LTS (jammy) | 1.20.3-0ubuntu1.9 | [libgstreamer-plugins-good1.0-0 1.20.3-0ubuntu1.9](https://patchblox.com/security/data/fix/linux/ubuntu-jammy-libgstreamer-plugins-good1.0-0-1.20.3-0ubuntu1.9.md) | Aug 20, 2026 |
| Linux | libgstreamer-plugins-good1.0-0 Ubuntu 24.04.5 LTS (noble) | 1.24.2-1ubuntu1.7 | [libgstreamer-plugins-good1.0-0 1.24.2-1ubuntu1.7](https://patchblox.com/security/data/fix/linux/ubuntu-noble-libgstreamer-plugins-good1.0-0-1.24.2-1ubuntu1.7.md) | Aug 20, 2026 |
| Linux | mingw-gstreamer1-plugins-base Fedora 43 | 1.26.11-2.fc43 | [FEDORA-2026-BCFA11CD3B](https://patchblox.com/security/data/fix/linux/fedora-2026-bcfa11cd3b.md) | Aug 25, 2026 |
| Linux | mingw-gstreamer1-plugins-good Fedora 43 | 1.26.11-3.fc43 | [FEDORA-2026-BCFA11CD3B](https://patchblox.com/security/data/fix/linux/fedora-2026-bcfa11cd3b.md) | Aug 25, 2026 |
| Linux | mingw32-gstreamer1-plugins-base Fedora 43 | 1.26.11-2.fc43 | [FEDORA-2026-BCFA11CD3B](https://patchblox.com/security/data/fix/linux/fedora-2026-bcfa11cd3b.md) | Aug 25, 2026 |
| Linux | mingw32-gstreamer1-plugins-base-debuginfo Fedora 43 | 1.26.11-2.fc43 | [FEDORA-2026-BCFA11CD3B](https://patchblox.com/security/data/fix/linux/fedora-2026-bcfa11cd3b.md) | Aug 25, 2026 |
| Linux | mingw32-gstreamer1-plugins-good Fedora 43 | 1.26.11-3.fc43 | [FEDORA-2026-BCFA11CD3B](https://patchblox.com/security/data/fix/linux/fedora-2026-bcfa11cd3b.md) | Aug 25, 2026 |
| Linux | mingw32-gstreamer1-plugins-good-debuginfo Fedora 43 | 1.26.11-3.fc43 | [FEDORA-2026-BCFA11CD3B](https://patchblox.com/security/data/fix/linux/fedora-2026-bcfa11cd3b.md) | Aug 25, 2026 |
| Linux | mingw64-gstreamer1-plugins-base Fedora 43 | 1.26.11-2.fc43 | [FEDORA-2026-BCFA11CD3B](https://patchblox.com/security/data/fix/linux/fedora-2026-bcfa11cd3b.md) | Aug 25, 2026 |
| Linux | mingw64-gstreamer1-plugins-base-debuginfo Fedora 43 | 1.26.11-2.fc43 | [FEDORA-2026-BCFA11CD3B](https://patchblox.com/security/data/fix/linux/fedora-2026-bcfa11cd3b.md) | Aug 25, 2026 |
| Linux | mingw64-gstreamer1-plugins-good Fedora 43 | 1.26.11-3.fc43 | [FEDORA-2026-BCFA11CD3B](https://patchblox.com/security/data/fix/linux/fedora-2026-bcfa11cd3b.md) | Aug 25, 2026 |
| Linux | mingw64-gstreamer1-plugins-good-debuginfo Fedora 43 | 1.26.11-3.fc43 | [FEDORA-2026-BCFA11CD3B](https://patchblox.com/security/data/fix/linux/fedora-2026-bcfa11cd3b.md) | Aug 25, 2026 |

---

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