IT, Cloud & DevOps Blog

Ubuntu 14.04 — libcgroup — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — libcgroup — 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-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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Ubuntu 22.04 — lambdaisland-uri-clojure — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — lambdaisland-uri-clojure — 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-8151-1 Related CVEs: CVE-2023-28628 Upstream summary: It was discovered that lambdaisland/uri did not properly sanitize the backslash character in URI strings. An attacker could possibly use this issue to bypass […]

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

Ubuntu 16.04 — mutt — 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-6374-1 Related CVEs: CVE-2023-4874 CVE-2023-4875 CVE-2021-32055 CVE-2022-1328 CVE-2021-3181 CVE-2020-28896 CVE-2020-14954 https://launchpad.net/bugs/1884588  +12 more Upstream summary: It was discovered that Mutt incorrectly handled certain email header contents. If a user were […]

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Ubuntu 22.04 — sox — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — sox — multiple vulnerabilities (10 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-6345-1 Related CVEs: CVE-2023-32627 CVE-2021-33844 CVE-2019-13590 CVE-2021-23159 CVE-2021-23172 CVE-2021-23210 CVE-2021-3643 CVE-2021-40426  +2 more Upstream summary: It was discovered that SoX incorrectly handled certain inputs. If a user or an automated […]

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

Ubuntu 18.04 — strongswan — 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-6488-2 Related CVEs: CVE-2023-41913 CVE-2022-40617 CVE-2021-45079 CVE-2021-41990 CVE-2021-41991 CVE-2018-17540 CVE-2018-10811 CVE-2018-16151  +2 more Upstream summary: USN-6488-1 fixed a vulnerability in strongSwan. This update provides the corresponding updates for Ubuntu 16.04 […]

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

Ubuntu 20.04 — shim-signed — 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-6355-1 Related CVEs: CVE-2022-28737 CVE-2021-3695 CVE-2021-3696 CVE-2021-3697 CVE-2021-3981 CVE-2022-28733 CVE-2022-28734 CVE-2022-28735  +3 more Upstream summary: Daniel Axtens discovered that specially crafted images could cause a heap-based out-of-bonds write. A local […]

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

Ubuntu 18.04 — liblivemedia — 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-4853-1 Related CVEs: CVE-2018-4013 CVE-2019-6256 CVE-2019-7314 CVE-2019-9215 Upstream summary: It was discovered that liveMedia incorrectly handled certain network packets. An attacker could possibly use this issue to execute arbitrary code. […]

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Ubuntu 24.04 — policykit-1 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — policykit-1 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8173-1 Related CVEs: CVE-2025-7519 CVE-2026-4897 Upstream summary: It was discovered that polkit incorrectly handled nested elements in XML policy files. If an administrator were tricked into installing a malicious policy […]

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Ubuntu 20.04 — node-hosted-git-info — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — node-hosted-git-info — 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-5216-1 Related CVEs: CVE-2021-23362 Upstream summary: It was discovered that hosted-git-info incorrectly handled certain inputs. A remote attacker could use this to cause a denial of service. Table of contents […]

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Ubuntu 14.04 — cups — multiple vulnerabilities (14 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — cups — multiple vulnerabilities (14 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-3842-1 Related CVEs: CVE-2018-4700 CVE-2017-18248 CVE-2018-4180 CVE-2018-4181 CVE-2018-6553 CVE-2017-18190 https://launchpad.net/bugs/1505328 CVE-2015-1158  +6 more Upstream summary: Jann Horn discovered that CUPS incorrectly handled session cookie randomness. A remote attacker could possibly […]

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