Package Management

Ubuntu 14.04 — gnupg2 — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — gnupg2 — multiple vulnerabilities (7 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-3675-2 Related CVEs: CVE-2018-12020 CVE-2014-3591 CVE-2014-5270 CVE-2015-0837 CVE-2015-1606 CVE-2015-1607 CVE-2014-4617 Upstream summary: USN-3675-1 fixed a vulnerability in GnuPG 2 for Ubuntu 18.04 LTS and Ubuntu 17.10. This update provides the […]

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Ubuntu 20.04 — gtk+2.0 — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — gtk+2.0 — 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-6899-1 Related CVEs: CVE-2024-6655 Upstream summary: It was discovered that GTK would attempt to load modules from the current directory, contrary to expectations. If users started GTK applications from shared […]

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Ubuntu 16.04 — shiro — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — shiro — multiple vulnerabilities (5 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-7147-1 Related CVEs: CVE-2016-6802 CVE-2023-34478 CVE-2023-46749 CVE-2023-46750 CVE-2016-4437 Upstream summary: It was discovered that Apache Shiro incorrectly handled path traversal when used with other web frameworks or path rewriting. An […]

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

Ubuntu 14.04 — cgmanager — 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-2451-1 Related CVEs: CVE-2014-1425 Upstream summary: Serge Hallyn discovered that cgmanager did not consistently enforce proper nesting when modifying cgroup properties. A local attacker in a privileged container could use […]

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

Ubuntu 18.04 — varnish — 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-7372-1 Related CVEs: CVE-2022-45060 CVE-2019-20637 CVE-2020-11653 CVE-2021-36740 CVE-2022-23959 Upstream summary: Martin van Kervel Smedshammer discovered that Varnish did not properly sanitize certain HTTP headers. A remote attacker could possibly use […]

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Ubuntu 18.04 — libapache-session-ldap-perl — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — libapache-session-ldap-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-6596-1 Related CVEs: CVE-2020-36658 Upstream summary: It was discovered that Apache::Session::LDAP incorrectly handled invalid X.509 certificates. If a user or an automated system were tricked into opening a specially crafted […]

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Ubuntu 22.04 — plasma-workspace — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — plasma-workspace — 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-6843-1 Related CVEs: CVE-2024-36041 Upstream summary: Fabian Vogt discovered that Plasma Workspace incorrectly handled connections via ICE. A local attacker could possibly use this issue to gain access to another […]

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

Ubuntu 16.04 — libcdio — 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-6855-1 Related CVEs: CVE-2024-36600 CVE-2017-18198 CVE-2017-18199 Upstream summary: Mansour Gashasbi discovered that libcdio incorrectly handled certain memory operations when parsing an ISO file, leading to a buffer overflow vulnerability. An […]

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Ubuntu 22.04 — cmark-gfm — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — cmark-gfm — multiple vulnerabilities (5 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-7319-1 Related CVEs: CVE-2022-39209 CVE-2023-22483 CVE-2023-22484 CVE-2023-22486 CVE-2023-26485 Upstream summary: It was discovered that cmark-gfm's autolink extension did not correctly handle parsing large inputs. An attacker could possibly use this […]

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Ubuntu 22.04 — vte2.91 — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — vte2.91 — 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-6833-1 Related CVEs: CVE-2024-37535 Upstream summary: Siddharth Dushantha discovered that VTE incorrectly handled large window resize escape sequences. An attacker could possibly use this issue to consume resources, leading to […]

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