ubuntu

Ubuntu 20.04 — prometheus-alertmanager — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — prometheus-alertmanager — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6935-1 Related CVEs: CVE-2023-40577 Upstream summary: It was discovered that prometheus-alertmanager didn't properly sanitize input it received through an API endpoint. An attacker with permission to send requests to this […]

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Ubuntu 20.04 — php-cas — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — php-cas — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6913-1 Related CVEs: CVE-2022-39369 Upstream summary: Filip Hejsek discovered that phpCAS was using HTTP headers to determine the service URL used to validate tickets. A remote attacker could possibly use […]

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Ubuntu 18.04 — cryptojs — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — cryptojs — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6753-1 Related CVEs: CVE-2023-46233 Upstream summary: Thomas Neil James Shadwell discovered that CryptoJS was using an insecure cryptographic default configuration. A remote attacker could possibly use this issue to expose […]

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Ubuntu 18.04 — php-phpseclib — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — php-phpseclib — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7404-1 Related CVEs: CVE-2021-30130 CVE-2023-52892 CVE-2024-27354 CVE-2024-27355 Upstream summary: It was discovered that phpseclib did not correctly handle RSA PKCS#1 v1.5 signature verification. An attacker could possibly use this issue […]

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Ubuntu 20.04 — gtk+3.0 — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — gtk+3.0 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6899-1 Related CVEs: CVE-2024-6655 Upstream summary: It was discovered that GTK would attempt to load modules from the current directory, contrary to expectations. If users started GTK applications from shared […]

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Ubuntu 14.04 — mime-support — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — mime-support — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-2453-1 Related CVEs: CVE-2014-7209 Upstream summary: Timothy D. Morgan discovered that the run-mailcap tool incorrectly filtered certain shell metacharacters in filenames. If a user or automated system were tricked into […]

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Ubuntu 20.04 — rabbitmq-server — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — rabbitmq-server — multiple vulnerabilities (6 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-7399-1 Related CVEs: CVE-2025-30219 CVE-2021-32718 CVE-2021-32719 CVE-2023-46118 CVE-2019-11287 CVE-2021-22116 Upstream summary: It was discovered that RabbitMQ Server's management UI did not sanitize certain input. An attacker could possibly use this […]

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Ubuntu 18.04 — varnish — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — varnish — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7372-1 Related CVEs: CVE-2022-45060 CVE-2019-20637 CVE-2020-11653 CVE-2021-36740 CVE-2022-23959 Upstream summary: Martin van Kervel Smedshammer discovered that Varnish did not properly sanitize certain HTTP headers. A remote attacker could possibly use […]

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Ubuntu 22.04 — freetype — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — freetype — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7352-1 Related CVEs: CVE-2025-27363 CVE-2023-2004 CVE-2022-27404 CVE-2022-27405 CVE-2022-27406 CVE-2022-31782 Upstream summary: It was discovered that FreeType incorrectly handled certain memory operations when parsing font subglyph structures. A remote attacker could […]

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Ubuntu 20.04 — zvbi — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — zvbi — multiple vulnerabilities (5 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-7367-1 Related CVEs: CVE-2025-2173 CVE-2025-2174 CVE-2025-2175 CVE-2025-2176 CVE-2025-2177 Upstream summary: It was discovered that zvbi incorrectly handled memory when processing user input. An attacker could possibly use this issue to […]

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