IT, Cloud & DevOps Blog

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

Ubuntu 20.04 — libreoffice — 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-7504-1 Related CVEs: CVE-2025-2866 CVE-2025-1080 CVE-2024-12425 CVE-2024-12426 CVE-2024-7788 CVE-2024-6472 CVE-2024-3044 CVE-2023-6185  +12 more Upstream summary: Juraj Šarinay discovered that LibreOffice incorrectly handled verifying PDF signatures. A remote attacker could possibly […]

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Ubuntu 18.04 — python-urllib3 — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — python-urllib3 — multiple vulnerabilities (10 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7599-1 Related CVEs: CVE-2025-50182 CVE-2025-50181 CVE-2024-37891 CVE-2018-25091 CVE-2023-43804 CVE-2023-45803 CVE-2020-26137 CVE-2018-20060  +2 more Upstream summary: Jacob Sandum discovered that urllib3 handled redirects even when they were explicitly disabled while using […]

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

Ubuntu 18.04 — libmatio — 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-5185-1 Related CVEs: CVE-2019-17533 Upstream summary: It was discovered that MATIO incorrectly handled certain inputs. An attacker could possibly use this issue to cause a denial of service or obtain […]

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Ubuntu 14.04 — libspreadsheet-parseexcel-perl — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — libspreadsheet-parseexcel-perl — 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-6781-1 Related CVEs: CVE-2023-7101 Upstream summary: Le Dinh Hai discovered that Spreadsheet::ParseExcel was passing unvalidated input from a file into a string-type "eval". An attacker could craft a malicious file […]

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Ubuntu 16.04 — xorg-server — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — xorg-server — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Ubuntu 16.04 (xenial) 📖 ~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 14.04 — elfutils — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — elfutils — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6322-1 Related CVEs: CVE-2018-16062 CVE-2018-16403 CVE-2018-18310 CVE-2018-18520 CVE-2018-18521 CVE-2019-7149 CVE-2019-7150 CVE-2019-7665  +12 more Upstream summary: It was discovered that elfutils incorrectly handled certain malformed files. If a user or automated […]

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Ubuntu 22.04 — resteasy3.0 — multiple vulnerabilities (11 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — resteasy3.0 — multiple vulnerabilities (11 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7630-1 Related CVEs: CVE-2016-6347 CVE-2016-7050 CVE-2020-25633 CVE-2016-6348 CVE-2016-6345 CVE-2016-6346 CVE-2021-20289 CVE-2024-9622  +3 more Upstream summary: It was discovered that RESTEasy made insufficient use of random values in asynchronous jobs. An […]

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Ubuntu 20.04 — sysstat — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — sysstat — multiple vulnerabilities (2 CVEs) — 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-6145-1 Related CVEs: CVE-2022-39377 CVE-2023-33204 Upstream summary: It was discovered that Sysstat incorrectly handled certain arithmetic multiplications. An attacker could use this issue to cause Sysstat to crash, resulting in […]

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Ubuntu 22.04 — libbpf — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — libbpf — multiple vulnerabilities (5 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-5759-1 Related CVEs: CVE-2021-45940 CVE-2021-45941 CVE-2022-3533 CVE-2022-3534 CVE-2022-3606 Upstream summary: It was discovered that LibBPF incorrectly handled certain memory operations under certain circumstances. An attacker could possibly use this issue […]

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

Ubuntu 18.04 — libonig — 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-5662-1 Related CVEs: CVE-2019-16163 CVE-2019-19012 CVE-2019-19203 CVE-2019-19204 CVE-2019-19246 Upstream summary: It was discovered that Oniguruma incorrectly handled certain regular expressions. An attacker could possibly use this issue to cause a […]

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