Ubuntu 20.04

Ubuntu 20.04 — cups — multiple vulnerabilities (17 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — cups — multiple vulnerabilities (17 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7912-2 Related CVEs: CVE-2025-58436 https://launchpad.net/bugs/2133207 CVE-2025-61915 CVE-2025-58060 CVE-2025-58364 CVE-2024-47175 https://launchpad.net/bugs/2070315 CVE-2024-35235  +9 more Upstream summary: USN-7912-1 fixed vulnerabilities in CUPS. This update provides the corresponding update for Ubuntu 16.04 LTS, […]

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Ubuntu 20.04 — squid — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — squid — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7804-2 Related CVEs: CVE-2025-59362 CVE-2025-62168 CVE-2024-37894 CVE-2023-5824 CVE-2023-49288 https://launchpad.net/bugs/2060880 CVE-2024-23638 CVE-2024-25111  +12 more Upstream summary: USN-7804-1 fixed a vulnerability in Squid. This update provides the corresponding update for Ubuntu 16.04 […]

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

Ubuntu 20.04 — tar — 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-6543-1 Related CVEs: CVE-2023-39804 CVE-2022-48303 CVE-2021-20193 CVE-2018-20482 CVE-2019-9923 Upstream summary: It was discovered that tar incorrectly handled extended attributes in PAX archives. An attacker could use this issue to cause […]

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Ubuntu 20.04 — lib3mf — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — lib3mf — 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-6216-1 Related CVEs: CVE-2021-21772 Upstream summary: It was discovered that lib3mf did not properly manage memory under certain circumstances. If a user were tricked into opening a specially crafted 3MF […]

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Ubuntu 20.04 — xorg-server — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — xorg-server — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7573-2 Related CVEs: CVE-2025-49175 CVE-2025-49176 CVE-2025-49178 CVE-2025-49179 CVE-2025-49180 CVE-2025-26594 CVE-2025-26595 CVE-2025-26596  +12 more Upstream summary: USN-7573-1 fixed several vulnerabilities in X.Org. This update provides the corresponding update for Ubuntu 16.04 […]

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Ubuntu 20.04 — graphite-web — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — graphite-web — multiple vulnerabilities (4 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-6243-1 Related CVEs: CVE-2017-18638 CVE-2022-4728 CVE-2022-4729 CVE-2022-4730 Upstream summary: It was discovered that Graphite-Web incorrectly handled certain inputs. If a user or an automated system were tricked into opening a […]

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Ubuntu 20.04 — libhtml-stripscripts-perl — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — libhtml-stripscripts-perl — 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-6100-1 Related CVEs: CVE-2023-24038 Upstream summary: It was discovered that HTML::StripScripts does not properly parse HTML content with certain style attributes. A remote attacker could use this issue to cause […]

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Ubuntu 20.04 — ckeditor — multiple vulnerabilities (11 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — ckeditor — multiple vulnerabilities (11 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7258-1 Related CVEs: CVE-2022-24728 CVE-2023-28439 CVE-2024-24815 CVE-2024-24816 CVE-2024-43411 CVE-2018-9861 CVE-2020-9281 CVE-2021-32808  +3 more Upstream summary: Kevin Backhouse discovered that CKEditor did not properly sanitize HTML content. An attacker could possibly […]

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Ubuntu 20.04 — exo — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — exo — 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-6008-1 Related CVEs: CVE-2022-32278 Upstream summary: It was discovered that Exo did not properly sanitized desktop files. A remote attacker could possibly use this issue to to cause a crash […]

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Ubuntu 20.04 — recutils — multiple vulnerabilities (13 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — recutils — multiple vulnerabilities (13 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7137-1 Related CVEs: CVE-2019-11637 CVE-2019-11638 CVE-2019-11639 CVE-2019-11640 CVE-2019-6455 CVE-2019-6456 CVE-2019-6457 CVE-2019-6458  +5 more Upstream summary: It was discovered that recutils incorrectly handled memory when parsing comments with the recparser utility. […]

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