ubuntu

Ubuntu 16.04 — rsyslog — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — rsyslog — multiple vulnerabilities (4 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-5404-2 Related CVEs: CVE-2022-24903 CVE-2018-16881 CVE-2019-17041 CVE-2019-17042 Upstream summary: USN-5404-1 addressed a vulnerability in Rsyslog. This update provides the corresponding update for Ubuntu 16.04 ESM. Original advisory details: Pieter Agten […]

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Ubuntu 22.04 — php-dompdf — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — php-dompdf — multiple vulnerabilities (2 CVEs) — 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-6277-2 Related CVEs: CVE-2021-3838 CVE-2022-2400 Upstream summary: USN-6277-1 fixed vulnerabilities in Dompdf. This update provides the corresponding updates for Ubuntu 22.04 LTS. Original advisory details: It was discovered that Dompdf […]

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Ubuntu 16.04 — libapreq2 — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — libapreq2 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5041-1 Related CVEs: CVE-2019-12412 Upstream summary: It was discovered that libapreq2 did not properly sanitize the Content-Type field in certain crafted HTTP requests. An attacker could possibly use the vulnerability […]

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Ubuntu 22.04 — ruby-doorkeeper — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — ruby-doorkeeper — 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-6210-1 Related CVEs: CVE-2023-34246 Upstream summary: It was discovered that Doorkeeper incorrectly performed authorization checks for public clients that have been previous approved. An attacker could potentially exploit these in […]

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Ubuntu 16.04 — cinnamon — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — cinnamon — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4844-1 Related CVEs: CVE-2018-13054 Upstream summary: Matthias Gerstner discovered that the cinnamon-settings-users utility in Cinnamon did not safely handle symlinks. An unprivileged attacker could potentially use this vulnerability to overwrite […]

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Ubuntu 22.04 — openssl-ibmca — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — openssl-ibmca — 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-6046-1 Related CVEs: https://launchpad.net/bugs/2015454 Upstream summary: It was discovered that OpenSSL-ibmca incorrectly handled certain RSA decryption. An attacker could possibly use this issue to expose sensitive information. Table of contents […]

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Ubuntu 16.04 — lynx — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — lynx — multiple vulnerabilities (3 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-4800-1 Related CVEs: CVE-2016-9179 CVE-2017-1000211 CVE-2021-38165 Upstream summary: It was discovered that Lynx incorrectly handled certain URLs. A remote attacker could possibly use this issue to obtain sensitive information or […]

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Ubuntu 16.04 — opensmtpd — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — opensmtpd — multiple vulnerabilities (3 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-4875-1 Related CVEs: CVE-2020-7247 CVE-2020-8793 CVE-2020-8794 Upstream summary: It was discovered that OpenSMTPD incorrectly verified the sender's or receiver's e-mail addresses under certain conditions. An attacker could possibly use this […]

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Ubuntu 16.04 — node-fstream — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — node-fstream — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4863-1 Related CVEs: CVE-2019-13173 Upstream summary: It was discovered that fstream incorrectly handled certain crafted tarballs. An attacker could use this vulnerability to write arbitrary files to the filesystem. Table […]

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