ubuntu

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

Ubuntu 22.04 — cairo — 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-8140-1 Related CVEs: CVE-2020-35492 CVE-2017-9814 CVE-2019-6462 CVE-2019-6461 Upstream summary: Alberto Garcia, Francisco Oca and Suleman Ali discovered that Cairo did not properly manage memory. An attacker could possibly use this […]

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Ubuntu 18.04 — nvidia-graphics-drivers-390 — multiple vulnerabilities (15 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — nvidia-graphics-drivers-390 — multiple vulnerabilities (15 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-5547-1 Related CVEs: CVE-2022-31607 CVE-2022-31608 CVE-2022-31615 CVE-2021-1093 CVE-2021-1094 CVE-2021-1095 CVE-2021-1076 CVE-2021-1077  +7 more Upstream summary: Le Wu discovered that the NVIDIA graphics drivers did not properly perform input validation in […]

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Ubuntu 18.04 — prosody — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — prosody — 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-4834-1 Related CVEs: CVE-2018-10847 Upstream summary: It was discovered that Prosody incorrectly validated the virtual host associated with a user session across stream restarts. A remote attacker could use this […]

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Ubuntu 20.04 — linux-gcp-5.8 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — linux-gcp-5.8 — 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-5050-1 Related CVEs: CVE-2020-26558 CVE-2021-0129 CVE-2021-28691 CVE-2021-3564 CVE-2021-3573 CVE-2021-38208 CVE-2021-23134 CVE-2021-32399  +12 more Upstream summary: It was discovered that the bluetooth subsystem in the Linux kernel did not properly perform […]

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Ubuntu 18.04 — node-path-to-regexp — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — node-path-to-regexp — 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-8290-1 Related CVEs: CVE-2024-45296 Upstream summary: It was discovered that Path-to-Regexp incorrectly handled route patterns containing multiple named parameters separated by non-delimiter characters such as hyphens. An attacker could possibly […]

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Ubuntu 20.04 — rustc-1.78 — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — rustc-1.78 — 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-8168-2 Related CVEs: CVE-2026-33056 Upstream summary: USN-8168-1 fixed a vulnerability in Rust. This update provides the corresponding update to Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu 18.04 LTS and Ubuntu […]

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Ubuntu 14.04 — cifs-utils — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — cifs-utils — multiple vulnerabilities (4 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-7688-1 Related CVEs: CVE-2022-27239 CVE-2021-20208 CVE-2020-14342 CVE-2022-29869 Upstream summary: Aurélien Aptel discovered that cifs-utils invoked a shell when requesting a password. In certain environments, a local attacker could possibly use […]

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Ubuntu 16.04 — grub2 — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — grub2 — multiple vulnerabilities (10 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4432-2 Related CVEs: https://launchpad.net/bugs/1889556 https://wiki.ubuntu.com/SecurityTeam/KnowledgeBase/GRUB2SecureBootBypass CVE-2020-10713 CVE-2020-14308 CVE-2020-14309 CVE-2020-14310 CVE-2020-14311 CVE-2020-15705  +2 more Upstream summary: USN-4432-1 fixed vulnerabilities in GRUB2 affecting Secure Boot environments. Unfortunately, the update introduced regressions for […]

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Ubuntu 22.04 — sudo — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — sudo — multiple vulnerabilities (8 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-8092-1 Related CVEs: https://launchpad.net/bugs/2143042 CVE-2025-32462 CVE-2025-32463 CVE-2023-28486 CVE-2023-28487 CVE-2023-27320 CVE-2022-33070 CVE-2023-22809 Upstream summary: It was discovered that Sudo incorrectly checked return codes when dropping privileges to run the mailer. A […]

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

Ubuntu 14.04 — texlive-bin — 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-3788-1 Related CVEs: CVE-2015-5700 CVE-2018-17407 Upstream summary: Jakub Wilk discovered that Tex Live incorrectly handled certain files. An attacker could possibly use this issue to execute arbitrary code. This issue […]

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