ubuntu

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

Ubuntu 18.04 — bcel — 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-7208-1 Related CVEs: CVE-2022-42920 Upstream summary: Felix Wilhelm discovered that Apache Commons BCEL APIs incorrectly handled parameters due to a memory issue. An attacker supplying malicious input could exploit this […]

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Ubuntu 24.04 — libapache2-mod-auth-openidc — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — libapache2-mod-auth-openidc — 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-7446-1 Related CVEs: CVE-2025-31492 Upstream summary: It was discovered that mod_auth_openidc incorrectly handled certain POST requests. An attacker could possibly use this issue to obtain sensitive information. Table of contents […]

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Ubuntu 18.04 — libhtp — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — libhtp — multiple vulnerabilities (4 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-7814-1 Related CVEs: CVE-2024-23837 CVE-2025-53537 CVE-2024-28871 CVE-2024-45797 Upstream summary: It was discovered that LibHTP did not correctly handle certain HTTP headers. A remote attacker could possibly use this issue to […]

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

Ubuntu 20.04 — bcel — 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-7208-1 Related CVEs: CVE-2022-42920 Upstream summary: Felix Wilhelm discovered that Apache Commons BCEL APIs incorrectly handled parameters due to a memory issue. An attacker supplying malicious input could exploit this […]

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Ubuntu 18.04 — udisks2 — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — udisks2 — 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-7723-1 Related CVEs: CVE-2025-8067 CVE-2025-6019 CVE-2018-17336 Upstream summary: Michael Imfeld discovered that UDisks did not check the validity of input data correctly when handling files for loop devices. An attacker […]

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Ubuntu 18.04 — policykit-desktop-privileges — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — policykit-desktop-privileges — 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-4037-1 Related CVEs: https://launchpad.net/bugs/1832337 Upstream summary: The policykit-desktop-privileges Startup Disk Creator policy allowed administrative users to overwrite disks. As a security improvement, this operation now requires authentication. Table of contents […]

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Ubuntu 20.04 — ruby-websocket-extensions — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — ruby-websocket-extensions — 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-4502-1 Related CVEs: CVE-2020-7663 Upstream summary: It was discovered that websocket-extensions does not properly parse special headers. A remote attacker could use this issue to cause regex backtracking, resulting in […]

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Ubuntu 20.04 — python-flask-cors — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — python-flask-cors — 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-7612-1 Related CVEs: CVE-2024-6839 CVE-2024-6866 CVE-2024-6844 CVE-2024-6221 CVE-2024-1681 CVE-2020-25032 Upstream summary: It was discovered that Flask-CORS did not correctly handle certain regular expressions. A remote attacker could possibly use this […]

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

Ubuntu 18.04 — gdk-pixbuf — 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-7662-1 Related CVEs: CVE-2025-6199 CVE-2025-7345 CVE-2022-48622 Upstream summary: It was discovered that GDK-Pixbuf incorrectly handled certain GIF files. An attacker could possibly use this issue to expose sensitive information. This […]

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Ubuntu 22.04 — dojo — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — dojo — multiple vulnerabilities (4 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-7569-1 Related CVEs: CVE-2021-23450 CVE-2020-4051 CVE-2019-10785 CVE-2018-15494 Upstream summary: It was discovered that Dojo did not correctly handle DataGrids. An attacker could possibly use this issue to execute arbitrary code. […]

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