Package Management

Ubuntu 20.04 — libx11 — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — libx11 — 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-6407-1 Related CVEs: CVE-2023-43785 CVE-2023-43786 CVE-2023-43787 CVE-2023-3138 CVE-2021-31535 CVE-2020-14344 CVE-2020-14363 Upstream summary: Gregory James Duck discovered that libx11 incorrectly handled certain keyboard symbols. If a user were tricked into connecting […]

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Ubuntu 24.04 — ruby-saml — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — ruby-saml — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7409-1 Related CVEs: CVE-2025-25291 CVE-2025-25292 CVE-2025-25293 CVE-2016-5697 CVE-2017-11428 CVE-2024-45409 Upstream summary: It was discovered that ruby-saml did not correctly handle XML parsing. An attacker could possibly use this issue to […]

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

Ubuntu 20.04 — pngcheck — 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-6182-1 Related CVEs: CVE-2020-27818 CVE-2020-35511 Upstream summary: It was discovered that pngcheck incorrectly handled certain inputs. If a user or an automated system were tricked into opening a specially crafted […]

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

Ubuntu 14.04 — nano — 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-7064-2 Related CVEs: CVE-2024-5742 Upstream summary: USN-7064-1 fixed a vulnerability in nano. This update provides the corresponding update for Ubuntu 14.04 LTS. Original advisory details: It was discovered that nano […]

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Ubuntu 24.04 — elfutils — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — elfutils — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7369-1 Related CVEs: CVE-2024-25260 CVE-2025-1365 CVE-2025-1371 CVE-2025-1372 CVE-2025-1377 Upstream summary: It was discovered that readelf from elfutils could be made to read out of bounds. If a user or automated […]

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Ubuntu 22.04 — advancecomp — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — advancecomp — multiple vulnerabilities (7 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-5838-1 Related CVEs: CVE-2022-35014 CVE-2022-35015 CVE-2022-35016 CVE-2022-35017 CVE-2022-35018 CVE-2022-35019 CVE-2022-35020 Upstream summary: It was discovered that AdvanceCOMP did not properly manage memory while performing read operations on MNG file. If […]

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Ubuntu 14.04 — libcommons-collections3-java — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — libcommons-collections3-java — 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-6936-1 Related CVEs: CVE-2015-4852 Upstream summary: It was discovered that Apache Commons Collections allowed serialization support for unsafe classes by default. A remote attacker could possibly use this issue to […]

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Ubuntu 24.04 — netatalk — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — netatalk — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7347-1 Related CVEs: CVE-2024-38439 CVE-2024-38440 CVE-2024-38441 Upstream summary: It was discovered that Netatalk did not properly manage memory under certain circumstances. A remote attacker could possibly use this issue to […]

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Ubuntu 22.04 — dbus — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — dbus — multiple vulnerabilities (3 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-5704-1 Related CVEs: CVE-2022-42010 CVE-2022-42011 CVE-2022-42012 Upstream summary: It was discovered that DBus incorrectly handled messages with invalid type signatures. A local attacker could possibly use this issue to cause […]

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Ubuntu 16.04 — libvpx — multiple vulnerabilities (11 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — libvpx — multiple vulnerabilities (11 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-7551-1 Related CVEs: CVE-2025-5283 CVE-2024-5197 CVE-2023-44488 CVE-2023-5217 CVE-2020-0034 CVE-2017-13194 CVE-2019-2126 CVE-2019-9232  +3 more Upstream summary: It was discovered that libvpx did not properly manage memory. An attacker could possibly use […]

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