USN-9038-1: GStreamer Good Plugins, GStreamer Base Plugins vulnerabilities
USN-9038-1
Summary
USN-8779-1 fixed vulnerabilities in Bubblewrap. Unfortunately, the fix for CVE-2026-87766 introduced a regression in symlink resolution, preventing certain Flatpak applications from launching. This update reverts that fix until a complete fix is available. We apologize for the inconvenience. Original advisory details: It was discovered that Bubblewrap incorrectly handled certain temporary directories.
A local attacker could possibly use this issue to cause a denial of service or execute arbitrary code. This issue only affected Ubuntu 18.04 LTS. (CVE-2019-12439)
It was discovered that Bubblewrap incorrectly handled certain symlinks during sandbox setup. A local attacker could possibly use this issue to create files outside of the sandbox. (CVE-2026-87766)
Products covered
A separate affected-products list was not included in the collected bulletin.
Remediation
USN-8779-1 fixed vulnerabilities in Bubblewrap.
CVEs in this advisory 2
Updates
- Published by Ubuntu
The publication date reported by the vendor.
- Added to SecurityAlert
We collected the advisory from the official source.
- Confirmed at the source
Our collector saw this advisory during a later source check.