Package Management

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

Ubuntu 18.04 — openvpn — 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-7340-1 Related CVEs: CVE-2017-12166 CVE-2024-5594 CVE-2022-0547 CVE-2020-11810 CVE-2020-15078 Upstream summary: It was discovered that OpenVPN did not perform proper input validation when generating a TLS key under certain configuration, which […]

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Ubuntu 20.04 — node-browserify-sign — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — node-browserify-sign — 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-6800-1 Related CVEs: CVE-2023-46234 Upstream summary: It was discovered that browserify-sign incorrectly handled an upper bound check in signature verification. If a user or an automated system were tricked into […]

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Ubuntu 14.04 — liblwp-protocol-https-perl — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — liblwp-protocol-https-perl — 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-2292-1 Related CVEs: CVE-2014-3230 Upstream summary: It was discovered that the LWP::Protocol::https perl module incorrectly disabled peer certificate verification completely when only hostname verification was requested to be disabled. If […]

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Ubuntu 20.04 — amavisd-new — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — amavisd-new — 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-6790-1 Related CVEs: CVE-2024-28054 Upstream summary: It was discovered that amavisd-new incorrectly handled certain MIME email messages with multiple boundary parameters. A remote attacker could possibly use this issue to […]

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Ubuntu 22.04 — python-pymysql — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — python-pymysql — 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-6801-1 Related CVEs: CVE-2024-36039 Upstream summary: It was discovered that PyMySQL incorrectly escaped untrusted JSON input. An attacker could possibly use this issue to perform SQL injection attacks. Table of […]

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Ubuntu 20.04 — python-idna — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — python-idna — 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-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 18.04 — gawk — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — gawk — 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-6373-1 Related CVEs: CVE-2023-4156 Upstream summary: It was discovered that gawk could be made to read out of bounds when processing certain inputs. If a user or an automated system […]

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

Ubuntu 24.04 — gross — 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-6942-1 Related CVEs: CVE-2023-52159 Upstream summary: It was discovered that Gross incorrectly handled memory when composing log entries. An attacker could possibly use this issue to cause Gross to crash, […]

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Ubuntu 18.04 — smarty3 — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — smarty3 — multiple vulnerabilities (9 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-7158-1 Related CVEs: CVE-2018-25047 CVE-2023-28447 CVE-2024-35226 CVE-2018-13982 CVE-2018-16831 CVE-2021-21408 CVE-2021-26119 CVE-2021-26120  +1 more Upstream summary: It was discovered that Smarty incorrectly handled query parameters in requests. An attacker could possibly […]

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Ubuntu 20.04 — linux-oracle-5.15 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — linux-oracle-5.15 — multiple vulnerabilities (20 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-8180-3 Related CVEs: CVE-2023-53421 CVE-2023-53520 CVE-2023-53662 CVE-2023-54207 CVE-2025-38057 CVE-2025-38125 CVE-2025-38232 CVE-2025-38408  +12 more Upstream summary: Several security issues were discovered in the Linux kernel. An attacker could possibly use these […]

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