Package Management

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

Ubuntu 18.04 — check-mk — 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-5527-1 Related CVEs: CVE-2017-14955 CVE-2017-9781 CVE-2021-36563 CVE-2021-40906 CVE-2022-24565 Upstream summary: It was discovered that Checkmk incorrectly handled authentication. An attacker could possibly use this issue to cause a race condition […]

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Ubuntu 20.04 — cacti — multiple vulnerabilities (15 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — cacti — multiple vulnerabilities (15 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-7226-1 Related CVEs: CVE-2022-46169 CVE-2024-25641 CVE-2024-29894 CVE-2024-31443 CVE-2024-31444 CVE-2024-31445 CVE-2024-31458 CVE-2024-31459  +7 more Upstream summary: It was discovered that Cacti did not properly sanitize the 'poller_id' parameter in the "remote_agent.php" […]

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Ubuntu 14.04 — ipython — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — ipython — multiple vulnerabilities (2 CVEs) — 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-5953-1 Related CVEs: CVE-2015-5607 CVE-2022-21699 Upstream summary: It was discovered that IPython incorrectly processed REST API POST requests. An attacker could possibly use this issue to launch a cross-site request […]

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

Ubuntu 16.04 — htmldoc — 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-7225-1 Related CVEs: CVE-2022-0137 CVE-2022-0534 CVE-2022-24191 CVE-2022-27114 CVE-2022-28085 CVE-2022-34033 CVE-2022-34035 CVE-2024-45508  +12 more Upstream summary: It was discovered that HTMLDOC incorrectly handled memory in the image_set_mask, git_read_lzw, write_header and write_node […]

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Ubuntu 20.04 — rsync — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — rsync — multiple vulnerabilities (10 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-7206-2 Related CVEs: https://launchpad.net/bugs/2095004 CVE-2024-12084 CVE-2024-12085 CVE-2024-12086 CVE-2024-12087 CVE-2024-12088 CVE-2024-12747 CVE-2022-29154  +2 more Upstream summary: USN-7206-1 fixed vulnerabilities in rsync. The update introduced a regression in rsync. This update fixes […]

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Ubuntu 18.04 — xz-utils — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — xz-utils — 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-5378-2 Related CVEs: CVE-2022-1271 Upstream summary: Cleemy Desu Wayo discovered that XZ Utils incorrectly handled certain filenames. If a user or automated system were tricked into performing xzgrep operations with […]

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Ubuntu 20.04 — lrzip — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — lrzip — multiple vulnerabilities (6 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-5840-1 Related CVEs: CVE-2018-5786 CVE-2020-25467 CVE-2021-27345 CVE-2021-27347 CVE-2022-26291 CVE-2022-28044 Upstream summary: It was discovered that Long Range ZIP incorrectly handled pointers. If a user or an automated system were tricked […]

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

Ubuntu 20.04 — ipython — 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-5953-1 Related CVEs: CVE-2015-5607 CVE-2022-21699 Upstream summary: It was discovered that IPython incorrectly processed REST API POST requests. An attacker could possibly use this issue to launch a cross-site request […]

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

Ubuntu 16.04 — qemu — 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-7094-1 Related CVEs: CVE-2019-20382 CVE-2020-13765 CVE-2020-1983 CVE-2020-7039 CVE-2020-8608 CVE-2021-3592 CVE-2021-3594 CVE-2023-3019  +12 more Upstream summary: It was discovered that QEMU incorrectly handled memory during certain VNC operations. A remote attacker […]

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Ubuntu 20.04 — backport-iwlwifi-dkms — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — backport-iwlwifi-dkms — multiple vulnerabilities (6 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-5708-1 Related CVEs: CVE-2022-41674 CVE-2022-42719 CVE-2022-42720 CVE-2022-42721 CVE-2022-42722 https://launchpad.net/bugs/1994525 Upstream summary: Sönke Huster discovered that an integer overflow vulnerability existed in the WiFi driver stack in the Linux kernel, leading […]

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