ubuntu

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

Ubuntu 20.04 — libtommath — 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-6402-1 Related CVEs: CVE-2023-36328 Upstream summary: It was discovered that LibTomMath incorrectly handled certain inputs. An attacker could possibly use this issue to execute arbitrary code and cause a denial […]

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Ubuntu 14.04 — bind9 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — bind9 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7739-1 Related CVEs: CVE-2021-25215 CVE-2021-25216 CVE-2021-25214 CVE-2023-50387 CVE-2023-50868 CVE-2023-3341 CVE-2023-2828 CVE-2016-2775  +12 more Upstream summary: Greg Kuechle discovered that Bind incorrectly handled certain incremental zone updates. A remote attacker could […]

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Ubuntu 20.04 — libgit2 — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — libgit2 — 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-6678-1 Related CVEs: CVE-2020-12278 CVE-2020-12279 CVE-2023-22742 CVE-2024-24575 CVE-2024-24577 Upstream summary: It was discovered that libgit2 mishandled equivalent filenames on NTFS partitions. If a user or automated system were tricked into […]

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Ubuntu 20.04 — shadow — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — shadow — multiple vulnerabilities (3 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-6640-1 Related CVEs: CVE-2023-4641 https://launchpad.net/bugs/1998169 CVE-2013-4235 Upstream summary: It was discovered that shadow was not properly sanitizing memory when running the password utility. An attacker could possibly use this issue […]

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Ubuntu 20.04 — ujson — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — ujson — multiple vulnerabilities (3 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-6629-2 Related CVEs: CVE-2021-45958 CVE-2022-31116 CVE-2022-31117 Upstream summary: USN-6629-1 fixed vulnerabilities in UltraJSON. This update provides the corresponding updates for Ubuntu 20.04 LTS. Original advisory details: It was discovered that […]

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Ubuntu 14.04 — cinder — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — cinder — multiple vulnerabilities (3 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-2405-1 Related CVEs: CVE-2014-3641 CVE-2014-7230 CVE-2013-1068 Upstream summary: Duncan Thomas discovered that OpenStack Cinder did not properly track the file format when using the GlusterFS of Smbfs drivers. A remote […]

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

Ubuntu 22.04 — flac — 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-6360-1 Related CVEs: CVE-2020-22219 CVE-2017-6888 CVE-2020-0499 CVE-2021-0561 Upstream summary: It was discovered that FLAC incorrectly handled encoding certain files. A remote attacker could use this issue to cause FLAC to […]

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Ubuntu 22.04 — openjdk-lts — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — openjdk-lts — 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-8001-1 Related CVEs: CVE-2026-21933 CVE-2026-21932 CVE-2026-21945 CVE-2026-21925 CVE-2025-53066 CVE-2025-53057 CVE-2025-30761 CVE-2025-30754  +12 more Upstream summary: It was discovered that the RMI component of OpenJDK 11 would establish RMI TCP endpoint […]

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Ubuntu 18.04 — cinder — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — cinder — multiple vulnerabilities (2 CVEs) — 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-5835-4 Related CVEs: CVE-2022-47951 CVE-2020-10755 Upstream summary: USN-5835-1 fixed vulnerabilities in Cinder. This update provides the corresponding updates for Ubuntu 18.04 LTS. In addition, a regression was fixed for Ubuntu […]

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Ubuntu 14.04 — libsndfile — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — libsndfile — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7273-1 Related CVEs: CVE-2021-4156 CVE-2024-50612 CVE-2022-33065 CVE-2021-3246 CVE-2017-12562 CVE-2017-14245 CVE-2017-14246 CVE-2017-14634  +12 more Upstream summary: It was discovered that libsndfile incorrectly handled memory when executing its FLAC codec. If a […]

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