# RHSA-2026:55865: Security update for 4 packages

RHSA-2026:55865, released August 19, 2026, fixes 2 CVEs across 4 products. None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/linux/rhsa-2026-55865
- Platform: Linux
- Released: Aug 19, 2026
- Priority: High (Closes CVE-2026-19389, high severity)
- CVEs: 2, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://access.redhat.com/errata/RHSA-2026:55865

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [gstreamer1-plugins-bad-free](https://patchblox.com/security/data/product/linux/gstreamer1-plugins-bad-free.md) | RHEL 9 | 0:1.22.12-7.el9_8.4 |
| [gstreamer1-plugins-bad-free-devel](https://patchblox.com/security/data/product/linux/gstreamer1-plugins-bad-free-devel.md) | RHEL 9 | 0:1.22.12-7.el9_8.4 |
| [gstreamer1-plugins-bad-free-libs](https://patchblox.com/security/data/product/linux/gstreamer1-plugins-bad-free-libs.md) | RHEL 9 | 0:1.22.12-7.el9_8.4 |
| [gstreamer1-plugins-ugly-free](https://patchblox.com/security/data/product/linux/gstreamer1-plugins-ugly-free.md) | RHEL 9 | 0:1.22.12-6.el9_8.2 |

## CVEs this fix closes

| CVE | Priority | Title | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2026-19389](https://patchblox.com/security/data/cve/CVE-2026-19389.md) | High | gst-plugins-ugly1.0: Multiple integer overflow and underflow vulnerabilities were found in the GStreamer gst-plugins-ugly ASF demuxer (asf... | 7.6 | 0.0044 |  |
| [CVE-2026-19387](https://patchblox.com/security/data/cve/CVE-2026-19387.md) | High | gstreamer1-plugins-bad-free: GStreamer is a streaming media framework based on graphs of filters which operate on media data | 7.6 | 0.0038 |  |

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Data as of 2026-11-07T12:40:37Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo