Synopsis
Important: bubblewrap security update
Description
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.
Affected products
Rocky Linux 10 aarch64
Rocky Linux 10 ppc64le
Rocky Linux 10 riscv64
Rocky Linux 10 s390x
Rocky Linux 10 x86_64
Fixes
2530542
CVEs
CVE-2026-87766
Affected packages
Rocky Linux 10 x86_64 - BaseOS
bubblewrap-0:0.10.0-5.el10_2.x86_64.rpm
bubblewrap-0:0.10.0-5.el10_2.src.rpm
bubblewrap-debuginfo-0:0.10.0-5.el10_2.x86_64.rpm
bubblewrap-debugsource-0:0.10.0-5.el10_2.x86_64.rpm
Rocky Linux 10 aarch64 - BaseOS
bubblewrap-debugsource-0:0.10.0-5.el10_2.aarch64.rpm
bubblewrap-0:0.10.0-5.el10_2.aarch64.rpm
bubblewrap-debuginfo-0:0.10.0-5.el10_2.aarch64.rpm
bubblewrap-0:0.10.0-5.el10_2.src.rpm
Rocky Linux 10 ppc64le - BaseOS
bubblewrap-0:0.10.0-5.el10_2.ppc64le.rpm
bubblewrap-debugsource-0:0.10.0-5.el10_2.ppc64le.rpm
bubblewrap-0:0.10.0-5.el10_2.src.rpm
bubblewrap-debuginfo-0:0.10.0-5.el10_2.ppc64le.rpm
Rocky Linux 10 riscv64 - BaseOS
bubblewrap-0:0.10.0-5.el10_2.src.rpm
Rocky Linux 10 s390x - BaseOS
bubblewrap-0:0.10.0-5.el10_2.src.rpm
bubblewrap-debuginfo-0:0.10.0-5.el10_2.s390x.rpm
bubblewrap-debugsource-0:0.10.0-5.el10_2.s390x.rpm
bubblewrap-0:0.10.0-5.el10_2.s390x.rpm