Debian 13 — libsepol — multiple vulnerabilities (4 CVEs) — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 4 March 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2021-36084 CVE-2021-36085 CVE-2021-36086 CVE-2021-36087 Upstream summary: The CIL compiler in SELinux 3.2 has a use-after-free in __cil_verify_classperms (called from __cil_verify_classpermission and __cil_pre_verify_helper). Table of contents Symptom & Impact […]