gst-plugins-good1.0: A flaw was found in GStreamer's gst-plugins-good isomp4 plugin
CVE-2026-88914 is fixed in 12 products on 1 platform, first by gstreamer1.0-gtk3 1.28.2-2ubuntu0.4, released September 10, 2026. It is not reported as exploited. Patch Radar priority: Routine.
A flaw was found in GStreamer's gst-plugins-good isomp4 plugin. When processing a specially crafted MP4 or MOV file containing CEA-608 closed-caption data, an integer overflow in 32-bit unsigned arithmetic can bypass a bounds check in the caption parser. This leads to an out-of-bounds heap read of up to 244 bytes, which is then included in the downstream caption output. An attacker could exploit this by tricking a user into opening a malicious media file, potentially resulting in disclosure of adjacent heap memory or application crash.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| gst-plugins-good1.0 · Debian 12.15 (bookworm) | 1.22.0-5+deb12u4 | DEBIAN-CVE-2026-88914 | Sep 14, 2026 |
| gst-plugins-good1.0 · Debian 14 | 1.28.7-1 | DEBIAN-CVE-2026-88914 | Sep 14, 2026 |
| gstreamer1-plugins-good · amzn 2023 | 1.24.10-1.amzn2023.0.11 | ALAS2023-2026-3353 | Nov 7, 2026 |
| gstreamer1-plugins-good-debuginfo · amzn 2023 | 1.24.10-1.amzn2023.0.11 | ALAS2023-2026-3353 | Nov 7, 2026 |
| gstreamer1-plugins-good-debugsource · amzn 2023 | 1.24.10-1.amzn2023.0.11 | ALAS2023-2026-3353 | Nov 7, 2026 |
| gstreamer1-plugins-good-gtk · amzn 2023 | 1.24.10-1.amzn2023.0.11 | ALAS2023-2026-3353 | Nov 7, 2026 |
| gstreamer1-plugins-good-gtk-debuginfo · amzn 2023 | 1.24.10-1.amzn2023.0.11 | ALAS2023-2026-3353 | Nov 7, 2026 |
| gstreamer1.0-gtk3 · Ubuntu 20.04 LTS (focal) | 1.16.3-0ubuntu1.3+esm4 | gstreamer1.0-gtk3 1.16.3-0ubuntu1.3+esm4 | Oct 2, 2026 |
| gstreamer1.0-gtk3 · Ubuntu 22.04.1 LTS (jammy) | 1.20.3-0ubuntu1.10 | gstreamer1.0-gtk3 1.20.3-0ubuntu1.10 | Oct 2, 2026 |
| gstreamer1.0-gtk3 · Ubuntu 24.04.5 LTS (noble) | 1.24.2-1ubuntu1.8 | gstreamer1.0-gtk3 1.24.2-1ubuntu1.8 | Oct 2, 2026 |
| gstreamer1.0-gtk3 · Ubuntu 26.04.1 LTS (resolute) | 1.28.2-2ubuntu0.4 | gstreamer1.0-gtk3 1.28.2-2ubuntu0.4 | Sep 10, 2026 |
| gstreamer1.0-plugins-good · Ubuntu 20.04 LTS (focal) | 1.16.3-0ubuntu1.3+esm4 | gstreamer1.0-plugins-good 1.16.3-0ubuntu1.3+esm4 | Oct 2, 2026 |
| gstreamer1.0-plugins-good · Ubuntu 22.04.1 LTS (jammy) | 1.20.3-0ubuntu1.10 | gstreamer1.0-plugins-good 1.20.3-0ubuntu1.10 | Oct 2, 2026 |
| gstreamer1.0-plugins-good · Ubuntu 24.04.5 LTS (noble) | 1.24.2-1ubuntu1.8 | gstreamer1.0-plugins-good 1.24.2-1ubuntu1.8 | Oct 2, 2026 |
| gstreamer1.0-plugins-good · Ubuntu 26.04.1 LTS (resolute) | 1.28.2-2ubuntu0.4 | gstreamer1.0-plugins-good 1.28.2-2ubuntu0.4 | Sep 10, 2026 |
| gstreamer1.0-pulseaudio · Ubuntu 20.04 LTS (focal) | 1.16.3-0ubuntu1.3+esm4 | gstreamer1.0-pulseaudio 1.16.3-0ubuntu1.3+esm4 | Oct 2, 2026 |
| gstreamer1.0-pulseaudio · Ubuntu 22.04.1 LTS (jammy) | 1.20.3-0ubuntu1.10 | gstreamer1.0-pulseaudio 1.20.3-0ubuntu1.10 | Oct 2, 2026 |
| gstreamer1.0-pulseaudio · Ubuntu 24.04.5 LTS (noble) | 1.24.2-1ubuntu1.8 | gstreamer1.0-pulseaudio 1.24.2-1ubuntu1.8 | Oct 2, 2026 |
| gstreamer1.0-pulseaudio · Ubuntu 26.04.1 LTS (resolute) | 1.28.2-2ubuntu0.4 | gstreamer1.0-pulseaudio 1.28.2-2ubuntu0.4 | Sep 10, 2026 |
| gstreamer1.0-qt5 · Ubuntu 20.04 LTS (focal) | 1.16.3-0ubuntu1.3+esm4 | gstreamer1.0-qt5 1.16.3-0ubuntu1.3+esm4 | Oct 2, 2026 |
| gstreamer1.0-qt5 · Ubuntu 22.04.1 LTS (jammy) | 1.20.3-0ubuntu1.10 | gstreamer1.0-qt5 1.20.3-0ubuntu1.10 | Oct 2, 2026 |
| gstreamer1.0-qt5 · Ubuntu 24.04.5 LTS (noble) | 1.24.2-1ubuntu1.8 | gstreamer1.0-qt5 1.24.2-1ubuntu1.8 | Oct 2, 2026 |
| gstreamer1.0-qt5 · Ubuntu 26.04.1 LTS (resolute) | 1.28.2-2ubuntu0.4 | gstreamer1.0-qt5 1.28.2-2ubuntu0.4 | Sep 10, 2026 |
| gstreamer1.0-qt6 · Ubuntu 24.04.5 LTS (noble) | 1.24.2-1ubuntu1.8 | gstreamer1.0-qt6 1.24.2-1ubuntu1.8 | Oct 2, 2026 |
| gstreamer1.0-qt6 · Ubuntu 26.04.1 LTS (resolute) | 1.28.2-2ubuntu0.4 | gstreamer1.0-qt6 1.28.2-2ubuntu0.4 | Sep 10, 2026 |
| libgstreamer-plugins-good1.0-0 · Ubuntu 20.04 LTS (focal) | 1.16.3-0ubuntu1.3+esm4 | libgstreamer-plugins-good1.0-0 1.16.3-0ubuntu1.3+esm4 | Oct 2, 2026 |
| libgstreamer-plugins-good1.0-0 · Ubuntu 22.04.1 LTS (jammy) | 1.20.3-0ubuntu1.10 | libgstreamer-plugins-good1.0-0 1.20.3-0ubuntu1.10 | Oct 2, 2026 |
| libgstreamer-plugins-good1.0-0 · Ubuntu 24.04.5 LTS (noble) | 1.24.2-1ubuntu1.8 | libgstreamer-plugins-good1.0-0 1.24.2-1ubuntu1.8 | Oct 2, 2026 |
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