Debian 12 — ujson — multiple vulnerabilities (5 CVEs) — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 4 April 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2021-45958 CVE-2022-31116 CVE-2022-31117 CVE-2026-32874 CVE-2026-32875 Upstream summary: UltraJSON (aka ujson) through 5.1.0 has a stack-based buffer overflow in Buffer_AppendIndentUnchecked (called from encode). Exploitation can, for example, use a […]