Debian 11 — efivar — vulnerability — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 9 July 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2026-6862 Upstream summary: A flaw was found in libefiboot, a component of efivar. The device path node parser in libefiboot fails to validate that each node's Length field […]