Debian 11 — log4cxx — 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-2023-31038 CVE-2025-54812 CVE-2025-54813 CVE-2026-40023 Upstream summary: SQL injection in Log4cxx when using the ODBC appender to send log messages to a database. No fields sent to the database […]