Debian 11 — bubblewrap — multiple vulnerabilities (4 CVEs) — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2016-8659 CVE-2017-5226 CVE-2019-12439 CVE-2020-5291 Upstream summary: Bubblewrap before 0.1.3 sets the PR_SET_DUMPABLE flag, which might allow local users to gain privileges by attaching to the process, as demonstrated […]