RLSA-2026:85306
RLSA-2026:85306 · Important: bubblewrap security update
This page contains facts from public vulnerability sources. Check the original advisory before updating.
Bubblewrap (/usr/bin/bwrap) is a core execution engine for unprivileged containers that works as a setuid binary on kernels without user namespaces. Security Fix(es): * bubblewrap: symlink traversal via /oldroot allows writing files outside sandbox during setup (CVE-2026-87766) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
CVSS 8.8 · High · Fix available
- Published
- Updated
Stack: system
Affected products and versions
bubblewrap Rocky Linux:8
- Affected ranges
- ECOSYSTEM: < 0:0.4.0-3.el8_10
Update to 0:0.4.0-3.el8_10