Ubuntu 14.04 — protobuf — multiple vulnerabilities (3 CVEs) — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read • Source: Ubuntu Security Notice USN-5945-1 Related CVEs: CVE-2021-22569 CVE-2021-22570 CVE-2022-1941 Upstream summary: It was discovered that Protocol Buffers did not properly validate field com.google.protobuf.UnknownFieldSet in protobuf-java. An attacker could possibly use this issue to […]