ubuntu

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

Ubuntu 18.04 — snakeyaml — 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-7368-1 Related CVEs: CVE-2017-18640 CVE-2022-25857 CVE-2022-38749 CVE-2022-38750 CVE-2022-38751 Upstream summary: It was discovered that SnakeYAML incorrectly handled recursive entity references. An attacker could possibly use this issue to cause SnakeYAML […]

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Ubuntu 14.04 — rsyslog — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — rsyslog — multiple vulnerabilities (2 CVEs) — 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-2381-1 Related CVEs: CVE-2014-3634 CVE-2014-3683 Upstream summary: It was discovered that Rsyslog incorrectly handled invalid PRI values. An attacker could use this issue to send malformed messages to the Rsyslog […]

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Ubuntu 20.04 — varnish — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — varnish — multiple vulnerabilities (5 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-7372-1 Related CVEs: CVE-2022-45060 CVE-2020-11653 CVE-2019-20637 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 20.04 — libmatio — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — libmatio — 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-6829-1 Related CVEs: CVE-2022-1515 CVE-2019-17533 Upstream summary: It was discovered that matio incorrectly handled certain malformed files. An attacker could possibly use this issue to cause a denial of service. […]

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Ubuntu 24.04 — bubblewrap — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — bubblewrap — multiple vulnerabilities (2 CVEs) — 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-7046-1 Related CVEs: CVE-2024-42472 https://launchpad.net/bugs/2077087 Upstream summary: It was discovered that Flatpak incorrectly handled certain persisted directories. An attacker could possibly use this issue to read and write files in […]

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Ubuntu 22.04 — dnsmasq — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — dnsmasq — multiple vulnerabilities (10 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8268-1 Related CVEs: CVE-2026-4890 CVE-2026-4891 CVE-2026-2291 CVE-2026-4892 CVE-2026-5172 CVE-2026-4893 CVE-2023-28450 CVE-2023-50387  +2 more Upstream summary: Andrew S. Fasano, Royce M, and Hugo Martinez Ray discovered that Dnsmasq did not allocate […]

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Ubuntu 16.04 — gerbv — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — gerbv — multiple vulnerabilities (7 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-6760-1 Related CVEs: CVE-2023-4508 CVE-2021-40391 CVE-2021-40393 CVE-2021-40394 CVE-2021-40400 CVE-2021-40401 CVE-2021-40403 Upstream summary: George-Andrei Iosif and David Fernandez Gonzalez discovered that Gerbv did not properly initialize a data structure when parsing […]

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

Ubuntu 24.04 — ironic — 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-6989-1 Related CVEs: CVE-2024-44082 Upstream summary: Dan Smith, Julia Kreger and Jay Faulkner discovered that in image processing for Ironic, a specially crafted image could be used by an authenticated […]

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Ubuntu 22.04 — activemq — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — activemq — multiple vulnerabilities (6 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-7268-1 Related CVEs: CVE-2022-41678 CVE-2023-46604 CVE-2015-7559 CVE-2018-11775 CVE-2020-13920 CVE-2021-26117 Upstream summary: It was discovered that Apache ActiveMQ incorrectly handled authentication. A remote attacker could possibly use this issue to run […]

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Ubuntu 22.04 — linux-gcp-6.8 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — linux-gcp-6.8 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8179-4 Related CVEs: CVE-2024-36347 CVE-2024-57795 CVE-2025-22022 CVE-2025-22111 CVE-2025-38022 CVE-2025-38234 CVE-2025-40164 CVE-2025-40325  +12 more Upstream summary: Josh Eads, Kristoffer Janke, Eduardo Vela Nava, Tavis Ormandy, and Matteo Rizzo discovered that some […]

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