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CVE-2026-87766

Bubblewrap: bubblewrap: symlink traversal via /oldroot allows writing files outside sandbox during setup PUBLISHED

Description (CNA)

A flaw was found in bubblewrap. During sandbox setup, creating files or directories under the new root can follow a parent symlink onto the host via /oldroot, writing attacker-chosen paths outside the sandbox as the launching user. This happens before the sandboxed process starts. This issue is GHSA-pxhw-h44j-8pfx. It is fixed in bubblewrap 0.12.0.

Affected (CNA)

Vendor / productVersions
Red Hat / Red Hat Enterprise Linux 10unaffected 0:0.10.0-5.el10_2 before *
Red Hat / Red Hat Enterprise Linux 10.0 Extended Update Supportunaffected 0:0.10.0-3.el10_0.4 before *
Red Hat / Red Hat Enterprise Linux 8unaffected 0:0.4.0-3.el8_10 before *
Red Hat / Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Supportunaffected 0:0.4.0-3.el8_4 before *
Red Hat / Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-Onunaffected 0:0.4.0-3.el8_4 before *
Red Hat / Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Supportunaffected 0:0.4.0-3.el8_6 before *
Red Hat / Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-Onunaffected 0:0.4.0-3.el8_6 before *
Red Hat / Red Hat Enterprise Linux 8.8 Telecommunications Update Serviceunaffected 0:0.4.0-3.el8_8 before *
Red Hat / Red Hat Enterprise Linux 8.8 Update Services for SAP Solutionsunaffected 0:0.4.0-3.el8_8 before *
Red Hat / Red Hat Enterprise Linux 9unaffected 0:0.6.3-1.el9_8.1 before *
Red Hat / Red Hat Enterprise Linux 9.2 Update Services for SAP Solutionsunaffected 0:0.4.1-7.el9_2.1 before *
Red Hat / Red Hat Enterprise Linux 9.4 Update Services for SAP Solutionsunaffected 0:0.4.1-7.el9_4.1 before *
Red Hat / Red Hat Enterprise Linux 9.6 Extended Update Supportunaffected 0:0.4.1-8.el9_6.1 before *
Red Hat / Red Hat Hardened Imagesunaffected

CWE

CWE-59

References

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.

CVE

No English description supplied.