ubuntu

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

Ubuntu 22.04 — bouncycastle — 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-8108-1 Related CVEs: CVE-2024-30172 CVE-2023-33201 CVE-2025-8916 CVE-2024-29857 CVE-2024-30171 CVE-2024-34447 Upstream summary: It was discovered that Bouncy Castle did not sanitize user input when inserting it into an LDAP search filter. […]

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

Ubuntu 14.04 — walinuxagent — 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-3907-1 Related CVEs: CVE-2019-0804 Upstream summary: It was discovered that WALinuxAgent created swap files with incorrect permissions. A local attacker could possibly use this issue to obtain sensitive information from […]

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Ubuntu 18.04 — linux-gke-5.3 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — linux-gke-5.3 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5014-1 Related CVEs: CVE-2021-33909 CVE-2021-3609 https://launchpad.net/bugs/1924611 CVE-2021-29154 CVE-2021-3492 CVE-2021-3493 CVE-2020-27170 CVE-2020-27171  +12 more Upstream summary: It was discovered that the virtual file system implementation in the Linux kernel contained an […]

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Ubuntu 18.04 — linux-hwe — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — linux-hwe — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5014-1 Related CVEs: CVE-2021-33909 CVE-2021-3609 https://launchpad.net/bugs/1924611 CVE-2021-29154 CVE-2021-3492 CVE-2021-3493 CVE-2020-27170 CVE-2020-27171  +12 more Upstream summary: It was discovered that the virtual file system implementation in the Linux kernel contained an […]

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Ubuntu 24.04 — python-internetarchive — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — python-internetarchive — 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-7989-1 Related CVEs: CVE-2025-58438 Upstream summary: Pengo Wray discovered that The Internet Archive Python Library incorrectly handled certain file paths when downloading files. An attacker could possibly use this issue […]

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Ubuntu 20.04 — jq — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — jq — multiple vulnerabilities (9 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-8202-3 Related CVEs: CVE-2026-40164 https://bugs.launchpad.net/ubuntu/+source/jq/+bug/2152052 CVE-2026-39956 CVE-2026-33947 CVE-2026-39979 CVE-2026-33948 CVE-2026-32316 CVE-2024-23337  +1 more Upstream summary: USN-8202-1 fixed vulnerabilities in jq. The update caused a regression for Ubuntu 18.04 LTS and […]

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Ubuntu 20.04 — docker.io-app — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — docker.io-app — multiple vulnerabilities (4 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-8230-1 Related CVEs: CVE-2026-33748 CVE-2026-33747 CVE-2024-29018 CVE-2024-41110 Upstream summary: It was discovered that BuildKit, contained within Docker, incorrectly handled file path validation when processing frontend API messages. An attacker could […]

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Ubuntu 22.04 — libetpan — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — libetpan — 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-7740-1 Related CVEs: CVE-2022-4121 Upstream summary: It was discovered that LibEtPan incorrectly handled memory when parsing IMAP STATUS responses. A remote attacker could possibly use this issue to cause LibEtPan […]

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

Ubuntu 20.04 — libmysofa — 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-5184-1 Related CVEs: CVE-2021-3756 Upstream summary: It was discovered that libmysofa mishandled certain input. An attacker could use this vulnerability to cause a denial of service (crash). Table of contents […]

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Ubuntu 14.04 — amd64-microcode — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — amd64-microcode — 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-3690-2 Related CVEs: https://launchpad.net/bugs/1779092 CVE-2017-5715 Upstream summary: USN-3690-1 provided updated microcode for AMD processors to address CVE-2017-5715 (aka Spectre). Unfortunately, the update caused some systems to fail to boot. This […]

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