Description
A flaw was found in GStreamer's gst-plugins-base MicroDVD subtitle parser. When processing a specially crafted subtitle file, the parser may dereference a NULL pointer, causing the application to crash when a user opens or plays media with a malformed MicroDVD (.sub) subtitle file.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Red Hat | Red Hat Enterprise Linux 10 | — | — |
| Red Hat | Red Hat Enterprise Linux 6 | — | — |
| Red Hat | Red Hat Enterprise Linux 7 | — | — |
| Red Hat | Red Hat Enterprise Linux 8 | — | — |
| Red Hat | Red Hat Enterprise Linux 9 | — | — |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | gst-plugins-base1.0 | 1.28.2-1 | — |
| Debian 13 | gst-plugins-base1.0 | No fix yet | — |
| Debian 12 | gst-plugins-base1.0 | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 24.04 LTS | gst-plugins-base1.0 | No fix yet | — |
| Ubuntu 22.04 LTS | gst-plugins-base1.0 | No fix yet | — |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 20.04 LTS | gst-plugins-base1.0 | No fix yet | — |
| Ubuntu Pro 18.04 LTS | gst-plugins-base1.0 | No fix yet | — |
| Ubuntu Pro 16.04 LTS | gst-plugins-base1.0 | No fix yet | — |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2023 | gstreamer1-plugins-base +2 | 1.24.10-1.amzn2023.0.7 | ALAS2023-2026-3423 |
| Amazon Linux 2 | gstreamer-plugins-base +3 | 0.10.36-18.amzn2.0.4 | ALAS2-2026-4092 |
| Amazon Linux 2 | gstreamer1-plugins-base +2 | 1.18.4-5.amzn2.0.13 | ALAS2-2026-4093 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 3 | gstreamer1-plugins-base | No fix yet | — |
Advisories 3
- ALAS2023-2026-3423 Moderate: gstreamer1-plugins-base security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · Nov 12, 2026
- ALAS2-2026-4092 Moderate: gstreamer-plugins-base security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Nov 12, 2026
- ALAS2-2026-4093 Moderate: gstreamer1-plugins-base security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Nov 12, 2026