Security Hardening

🟠 High   ⏱ 15–60 min  Last verified: 5 October 2025 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7270-2 Related CVEs: CVE-2025-26465 CVE-2023-48795 CVE-2023-51385 https://launchpad.net/bugs/2030275 CVE-2023-38408 https://launchpad.net/bugs/1934501 CVE-2019-6111 CVE-2018-20685  +3 more Upstream summary: USN-7270-1 fixed a vulnerability in OpenSSH. This update provides the corresponding update for Ubuntu 16.04 […]

🟡 Medium   ⏱ 10–30 min  Last verified: 5 October 2025 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7317-1 Related CVEs: CVE-2022-23303 CVE-2022-23304 CVE-2022-37660 CVE-2024-5290 https://launchpad.net/bugs/2067613 Upstream summary: George Chatzisofroniou and Panayiotis Kotzanikolaou discovered that wpa_supplicant and hostapd reused encryption elements in the PKEX protocol. An attacker could […]

🟠 High   ⏱ 15–60 min  Last verified: 5 October 2025 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7485-1 Related CVEs: CVE-2025-43961 CVE-2025-43962 CVE-2025-43963 CVE-2025-43964 CVE-2020-22628 CVE-2021-32142 CVE-2023-1729 CVE-2020-15503  +4 more Upstream summary: It was discovered that LibRaw could be made to read out of bounds. An attacker […]