chris

Ubuntu 20.04 — kicad — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — kicad — multiple vulnerabilities (4 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-7466-1 Related CVEs: CVE-2022-23803 CVE-2022-23804 CVE-2022-23946 CVE-2022-23947 Upstream summary: It was discovered that KiCad incorrectly handled memory when opening malicious files. An attacker could possibly use this issue to cause […]

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

Ubuntu 22.04 — matrix-synapse — 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-7444-1 Related CVEs: CVE-2023-32683 CVE-2023-43796 CVE-2022-39374 CVE-2023-41335 CVE-2022-39335 CVE-2023-42453 CVE-2024-31208 CVE-2024-53863 Upstream summary: It was discovered that Synapse network policies could be bypassed via specially crafted URLs. An attacker could […]

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

Ubuntu 18.04 — mistral — 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 16.04 — uriparser — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — uriparser — 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-7356-1 Related CVEs: CVE-2024-34402 CVE-2024-34403 CVE-2021-46141 CVE-2021-46142 CVE-2018-19198 CVE-2018-19199 CVE-2018-19200 CVE-2018-20721 Upstream summary: It was discovered that uriparser did not correctly handle certain inputs, which could lead to an integer […]

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

Ubuntu 18.04 — lftp — 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-3731-1 Related CVEs: CVE-2018-10916 Upstream summary: It was discovered that LFTP incorrectly handled certain files. An attacker could possibly use this issue to cause a denial of service. Table of […]

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Ubuntu 14.04 — usb-creator — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — usb-creator — 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-2576-1 Related CVEs: https://launchpad.net/bugs/1447396 Upstream summary: Tavis Ormandy discovered that usb-creator was missing an authentication check. A local attacker could use this issue to gain elevated privileges. Table of contents […]

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Ubuntu 22.04 — exfatprogs — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — exfatprogs — 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-6970-1 Related CVEs: CVE-2023-45897 Upstream summary: It was discovered that exfatprogs incorrectly handled certain memory operations. If a user or automated system were tricked into handling specially crafted exfat partitions, […]

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Ubuntu 18.04 — libspreadsheet-parseexcel-perl — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — libspreadsheet-parseexcel-perl — 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-6781-1 Related CVEs: CVE-2023-7101 Upstream summary: Le Dinh Hai discovered that Spreadsheet::ParseExcel was passing unvalidated input from a file into a string-type "eval". An attacker could craft a malicious file […]

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Ubuntu 14.04 — libssh — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — libssh — multiple vulnerabilities (5 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-3795-3 Related CVEs: https://launchpad.net/bugs/1805348 CVE-2018-10933 CVE-2015-3146 CVE-2016-0739 CVE-2014-8132 Upstream summary: USN-3795-1 and USN-3795-2 fixed a vulnerability in libssh. The upstream fix introduced a regression. This update fixes the problem. Original […]

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

Ubuntu 20.04 — gnome-shell — 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-6963-1 Related CVEs: CVE-2024-36472 CVE-2020-17489 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 […]

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