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Ubuntu 20.04 — puma — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — puma — multiple vulnerabilities (7 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-7031-2 Related CVEs: CVE-2024-45614 CVE-2020-11076 CVE-2020-11077 CVE-2022-23634 CVE-2022-24790 CVE-2023-40175 CVE-2024-21647 Upstream summary: USN-7031-1 fixed CVE-2024-45614 in Puma for Ubuntu 24.04 LTS. This update fixes the CVE for Ubuntu 22.04 LTS […]

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Ubuntu 18.04 — ujson — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — ujson — multiple vulnerabilities (3 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-6629-1 Related CVEs: CVE-2021-45958 CVE-2022-31116 CVE-2022-31117 Upstream summary: It was discovered that UltraJSON incorrectly handled certain input with a large amount of indentation. An attacker could possibly use this issue […]

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Ubuntu 22.04 — shadow — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — shadow — multiple vulnerabilities (2 CVEs) — 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-6640-1 Related CVEs: CVE-2023-4641 CVE-2013-4235 Upstream summary: It was discovered that shadow was not properly sanitizing memory when running the password utility. An attacker could possibly use this issue to […]

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Ubuntu 16.04 — open-iscsi — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — open-iscsi — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6259-1 Related CVEs: CVE-2020-13987 CVE-2020-13988 CVE-2020-17437 Upstream summary: Jos Wetzels, Stanislav Dashevskyi, and Amine Amri discovered that Open-iSCSI incorrectly handled certain checksums for IP packets. An attacker could possibly use […]

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Ubuntu 24.04 — less — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — less — vulnerability — 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-6756-1 Related CVEs: CVE-2024-32487 Upstream summary: It was discovered that less mishandled newline characters in file names. If a user or automated system were tricked into opening specially crafted files, […]

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

Ubuntu 22.04 — ansible — 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-6846-1 Related CVEs: CVE-2022-3697 CVE-2023-5764 CVE-2020-10744 CVE-2020-1733 CVE-2021-3583 CVE-2021-3620 Upstream summary: It was discovered that Ansible incorrectly handled certain inputs when using tower_callback parameter. If a user or an automated […]

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Ubuntu 18.04 — libpano13 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — libpano13 — multiple vulnerabilities (2 CVEs) — 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-6163-1 Related CVEs: CVE-2021-20307 CVE-2021-33293 Upstream summary: It was discovered that pano13 did not properly validate the prefix provided for PTcrop's output. An attacker could use this issue to cause […]

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Ubuntu 22.04 — ruby3.0 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — ruby3.0 — 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-8137-1 Related CVEs: CVE-2025-61594 CVE-2025-24294 CVE-2024-35176 CVE-2024-27282 CVE-2024-27280 CVE-2024-39908 CVE-2024-41123 CVE-2024-43398  +12 more Upstream summary: It was discovered that the Ruby URI gem did not properly handle sensitive information when […]

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

Ubuntu 20.04 — intel-microcode — 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-8068-1 Related CVEs: CVE-2025-31648 CVE-2025-20053 CVE-2025-22839 CVE-2025-22840 CVE-2025-20109 CVE-2025-24305 CVE-2025-26403 CVE-2025-21090  +12 more Upstream summary: Sergiu Ghetie discovered that some Intel® processors did not properly handle values in the microcode […]

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