Package Management

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

Ubuntu 20.04 — phpliteadmin — 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-5552-1 Related CVEs: CVE-2021-46709 Upstream summary: It was discovered that phpLiteAdmin incorrectly handled certain GET requests. An attacker could possibly use this issue to perform cross-site scripting (XSS) attacks. Table […]

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Ubuntu 22.04 — exempi — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — exempi — multiple vulnerabilities (20 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-5483-1 Related CVEs: CVE-2018-12648 CVE-2021-36045 CVE-2021-36046 CVE-2021-36047 CVE-2021-36048 CVE-2021-36050 CVE-2021-36051 CVE-2021-36052  +12 more Upstream summary: It was discovered that Exempi incorrectly handled certain media files. If a user or automated […]

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

Ubuntu 20.04 — coturn — 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-4690-1 Related CVEs: CVE-2020-26262 CVE-2020-4067 CVE-2020-6061 CVE-2020-6062 Upstream summary: It was discovered that coTURN allowed peers to connect and relay packets to loopback addresses in the range of 127.x.x.x. A […]

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Ubuntu 18.04 — vino — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — vino — multiple vulnerabilities (8 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-4636-1 Related CVEs: CVE-2020-25708 CVE-2014-6053 CVE-2018-7225 CVE-2019-15681 CVE-2020-14397 CVE-2020-14402 CVE-2020-14403 CVE-2020-14404 Upstream summary: It was discovered that LibVNCServer incorrectly handled certain internals. An attacker could possibly use this issue to […]

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Ubuntu 22.04 — postfix — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — postfix — multiple vulnerabilities (4 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-8253-1 Related CVEs: CVE-2026-43964 CVE-2023-51764 https://bugs.launchpad.net/ubuntu/+source/postfix/+bug/2049337 https://bugs.launchpad.net/ubuntu/+source/postfix/+bug/2050834 Upstream summary: Kamil Frankowicz discovered that Postfix incorrectly handled certain enhanced status codes. A remote attacker could possibly use this issue to cause […]

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Ubuntu 16.04 — lrzip — multiple vulnerabilities (15 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — lrzip — multiple vulnerabilities (15 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-5840-1 Related CVEs: CVE-2018-5786 CVE-2020-25467 CVE-2021-27345 CVE-2021-27347 CVE-2022-26291 CVE-2022-28044 CVE-2017-8844 CVE-2017-8846  +7 more Upstream summary: It was discovered that Long Range ZIP incorrectly handled pointers. If a user or an […]

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Ubuntu 22.04 — node-dottie — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — node-dottie — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8041-1 Related CVEs: CVE-2023-26132 Upstream summary: Yuhan Gao and Peng Zhou discovered that Dottie was vulnerable to prototype pollution when altering the __proto__ magical attribute. An attacker could possibly use […]

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Ubuntu 22.04 — node-follow-redirects — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — node-follow-redirects — multiple vulnerabilities (4 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-8217-1 Related CVEs: CVE-2022-0155 CVE-2022-0536 CVE-2023-26159 CVE-2024-28849 Upstream summary: It was discovered that follow-redirects did not properly protect sensitive user information during redirects. An attacker could possibly use this issue […]

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Ubuntu 18.04 — libreoffice — multiple vulnerabilities (14 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — libreoffice — multiple vulnerabilities (14 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-6023-1 Related CVEs: CVE-2022-38745 CVE-2020-12801 CVE-2020-12803 CVE-2022-26305 CVE-2022-26306 CVE-2022-26307 CVE-2022-3140 CVE-2021-25636  +6 more Upstream summary: It was discovered that LibreOffice may be configured to add an empty entry to the […]

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

Ubuntu 18.04 — libcgroup — 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-4845-1 Related CVEs: CVE-2018-14348 Upstream summary: It was discovered that libcgroup incorrectly handled log file permissions. An attacker could possibly use this issue to obtain sensitive information. Table of contents […]

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