Summary
Package updates are available for Amazon Linux 2023 that fix the following vulnerabilities: CVE-2026-87766: 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.
Fixed packages 3
| Release | Package | Fixed in |
|---|---|---|
| Amazon Linux · 2023 | bubblewrap | 0:0.12.0-1.amzn2023.0.1 |
| Amazon Linux · 2023 | bubblewrap-debuginfo | 0:0.12.0-1.amzn2023.0.1 |
| Amazon Linux · 2023 | bubblewrap-debugsource | 0:0.12.0-1.amzn2023.0.1 |
Vulnerabilities 1
-
High 8.8
Bubblewrap: bubblewrap: symlink traversal via /oldroot allows writing files outside sandbox during setup
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 san…
References
-
web
https://alas.aws.amazon.com/cve/html/CVE-2026-87766.html