Ubuntu USN-8863-1 Updates GStreamer Good Plugins for Four Vulnerabilities
Tech GuruQuick Answer
The authority published USN-8863-1 for GStreamer Good Plugins on Ubuntu 16.04 ESM through Ubuntu 26.04 LTS. Ubuntu fixed four GStreamer Good Plugins parsing and memory-handling issues that could expose information or cause denial of service when affected systems process crafted media. Affected deployments should be matched to the authority's exact scope and moved to the supported fixed release.
Confirm Scope And Apply The Supported Fix
What to do now: Inventory GStreamer Good Plugins on Ubuntu 16.04 ESM through Ubuntu 26.04 LTS, match the exact affected release or feature, apply the authority-supported fixed build or service remediation, validate the dependent workflow, and preserve evidence.
Last verified: 2026-10-02 UTC. Recheck the authoritative advisory and supported distribution channel before changing production.
Scope And Authority
| Product scope | GStreamer Good Plugins on Ubuntu 16.04 ESM through Ubuntu 26.04 LTS |
|---|---|
| Advisory | USN-8863-1 |
| CVEs | CVE-2026-17072, CVE-2026-73433, CVE-2026-73434, CVE-2026-88914 |
| Authoritative release date | 2026-10-01 16:46:33.027174 UTC |
| Authority revision date | No separate material revision date is stated by Ubuntu; verified against the first-party notice API |
| Affected versions | The Ubuntu releases and gst-plugins-good1.0 source packages enumerated in USN-8863-1. |
| Fixed version | Ubuntu 18.04 ESM: gst-plugins-good1.0 1.14.5-0ubuntu1~18.04.3+esm4 / Ubuntu 20.04 ESM: gst-plugins-good1.0 1.16.3-0ubuntu1.3+esm4 / Ubuntu 22.04 LTS: gst-plugins-good1.0 1.20.3-0ubuntu1.10 / Ubuntu 24.04 LTS: gst-plugins-good1.0 1.24.2-1ubuntu1.8 / Ubuntu 26.04 LTS: gst-plugins-good1.0 1.28.2-2ubuntu0.4 / Ubuntu 16.04 ESM: gst-plugins-good1.0 1.8.3-1ubuntu0.5+esm4 |
| CVSS base score | Not provided by the authority |
| CVSS severity | Not provided by the authority |
| Exploitation status | Not stated by the authority; no exploitation claim is inferred. |
What Changed
Ubuntu fixed four GStreamer Good Plugins parsing and memory-handling issues that could expose information or cause denial of service when affected systems process crafted media.
What To Validate Now
- Inventory. Locate GStreamer Good Plugins on Ubuntu 16.04 ESM through Ubuntu 26.04 LTS deployments, versions, enabled features, exposure paths, owners, and dependent services.
- Establish applicability. Match the installed gst-plugins-good1.0 source package and Ubuntu release to USN-8863-1. Do not infer scope for an upstream build or another GStreamer plugin set.
- Remediate. Install the exact USN-8863-1 fixed source-package build through the supported Ubuntu security or ESM channel for the matching release.
- Validate. Confirm the resulting source-package version, restart affected media services or workloads where required, exercise representative FLAC, AVI, and caption-processing workflows, and document exceptions.
- Retain evidence. Preserve asset and owner identifiers, the applicability decision, before-and-after versions, change approval, installation output, validation results, and any exception or rollback record.
Operational Cautions
Some fixes require Ubuntu Pro or ESM entitlement. Confirm repository state, test media pipelines and dependent applications, retain package-manager evidence, and do not infer exploitation from malformed-media reachability.
Evidence To Retain
- Exact product, release stream, package or application version, enabled feature, environment, and accountable owner.
- UTC timestamps, authority revision, approved change record, installer or package-manager output, and resulting version.
- Relevant logs and monitoring evidence, test results, exceptions, compensating controls, and rollback decisions.
Related TechGeeks Resources
Authoritative References
Correction policy: If the authority changes affected versions, fixed versions, severity, exploitation information, mitigations, or required action, TechGeeks will update this notice and its verification date.
