Ubuntu 20.04 — libpng1.6 — multiple vulnerabilities (8 CVEs) — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read • Source: Ubuntu Security Notice USN-8035-1 Related CVEs: CVE-2026-25646 CVE-2026-22801 CVE-2025-66293 CVE-2026-22695 CVE-2025-64720 CVE-2025-64506 CVE-2025-64505 CVE-2025-65018 Upstream summary: It was discovered that the libpng simplified API incorrectly processed palette PNG images with partial transparency and […]