chris

Ubuntu 22.04 — mosquitto — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — mosquitto — multiple vulnerabilities (8 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-7441-1 Related CVEs: CVE-2024-10525 CVE-2024-3935 CVE-2021-34431 CVE-2021-34434 CVE-2021-41039 CVE-2023-0809 CVE-2023-28366 CVE-2023-3592 Upstream summary: It was discovered that Eclipse Mosquitto client incorrectly handled memory when receiving a SUBACK packet. An attacker […]

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Ubuntu 16.04 — freetype — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — freetype — multiple vulnerabilities (8 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-7352-2 Related CVEs: CVE-2022-27406 CVE-2025-27363 CVE-2020-15999 CVE-2015-9383 CVE-2017-8105 CVE-2017-8287 CVE-2016-10328 CVE-2016-10244 Upstream summary: USN-7352-1 fixed a vulnerability in FreeType. This update provides the corresponding updates for Ubuntu 16.04 LTS and […]

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Ubuntu 18.04 — python-mistral-lib — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — python-mistral-lib — 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-7465-1 Related CVEs: CVE-2018-16848 CVE-2018-16849 CVE-2019-3866 Upstream summary: It was discovered that Mistral incorrectly handled nested anchors in YAML files. An attacker could possibly use this issue to cause a […]

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

Ubuntu 18.04 — lxc — 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-3730-1 Related CVEs: CVE-2018-6556 Upstream summary: Matthias Gerstner discovered that LXC incorrectly handled the lxc-user-nic utility. A local attacker could possibly use this issue to open arbitrary files. Table of […]

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

Ubuntu 14.04 — libxrender — 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-2568-1 Related CVEs: CVE-2013-7439 Upstream summary: Abhishek Arya discovered that libX11 incorrectly handled memory in the MakeBigReq macro. A remote attacker could use this issue to cause applications to crash, […]

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Ubuntu 22.04 — gnome-shell — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — gnome-shell — 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-6963-1 Related CVEs: CVE-2024-36472 Upstream summary: It was discovered that GNOME Shell incorrectly opened the portal helper automatically when detecting a captive network portal. A remote attacker could possibly use […]

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Ubuntu 18.04 — python-idna — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — python-idna — 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-6780-1 Related CVEs: CVE-2024-3651 Upstream summary: Guido Vranken discovered that idna did not properly manage certain inputs, which could lead to significant resource consumption. An attacker could possibly use this […]

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

Ubuntu 24.04 — pcl — 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-7227-1 Related CVEs: CVE-2024-53432 Upstream summary: It was discovered that PCL incorrectly handled certain malformed files. If a user or automated system were tricked into opening a specially crafted file, […]

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Ubuntu 14.04 — moin — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — moin — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-3794-1 Related CVEs: CVE-2017-5934 CVE-2016-7146 CVE-2016-7148 CVE-2016-9119 Upstream summary: It was discovered that MoinMoin incorrectly handled certain inputs. An attacker could possibly use this issue to access sensitive information. Table […]

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

Ubuntu 20.04 — orc — 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-6964-1 Related CVEs: CVE-2024-40897 Upstream summary: Noriko Totsuka discovered that ORC incorrectly handled certain crafted file. An attacker could possibly use this issue to execute arbitrary code. Table of contents […]

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