ubuntu

Ubuntu 18.04 — edk2 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — edk2 — 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-7060-1 Related CVEs: CVE-2019-0161 CVE-2021-28210 CVE-2021-28211 CVE-2021-38575 CVE-2021-38578 CVE-2022-1292 CVE-2017-5731 CVE-2018-12182  +12 more Upstream summary: It was discovered that EDK II did not check the buffer length in XHCI, which […]

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Ubuntu 20.04 — multipath-tools — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — multipath-tools — 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-5731-1 Related CVEs: CVE-2022-41973 CVE-2022-41974 Upstream summary: It was discovered that multipath-tools incorrectly handled symlinks. A local attacker could possibly use this issue, in combination with other issues, to escalate […]

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

Ubuntu 24.04 — zulucrypt — 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-8218-1 Related CVEs: CVE-2025-53391 Upstream summary: Aaron Rainbolt discovered that zuluCrypt used insecure PolicyKit settings in zuluPolkit. An attacker could possibly use this issue to cause local privilege escalation to […]

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Ubuntu 18.04 — python-py — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — python-py — 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-5138-1 Related CVEs: CVE-2020-29651 Upstream summary: The py.path.svnwc component of py (aka python-py) through v1.9.0 contains a regular expression with an ambiguous subpattern that is susceptible to catastrophic backtracing. This […]

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Ubuntu 18.04 — nvidia-graphics-drivers-460-server — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — nvidia-graphics-drivers-460-server — 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-5019-1 Related CVEs: CVE-2021-1093 CVE-2021-1094 CVE-2021-1095 CVE-2021-1076 CVE-2021-1077 Upstream summary: It was discovered that an assert() could be triggered in the NVIDIA graphics drivers. A local attacker could use this […]

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

Ubuntu 14.04 — ghostscript — 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-3915-1 Related CVEs: CVE-2019-3835 CVE-2019-3838 https://launchpad.net/bugs/1817308 https://launchpad.net/bugs/1815339 CVE-2019-6116 https://launchpad.net/bugs/1806517 CVE-2018-19409 CVE-2018-19475  +12 more Upstream summary: It was discovered that Ghostscript incorrectly handled certain PostScript files. If a user or automated […]

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Ubuntu 18.04 — bluez — multiple vulnerabilities (14 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — bluez — multiple vulnerabilities (14 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-6809-1 Related CVEs: CVE-2022-3563 CVE-2023-27349 CVE-2023-45866 https://launchpad.net/bugs/1977968 CVE-2022-0204 CVE-2019-8922 CVE-2021-3658 CVE-2021-41229  +6 more Upstream summary: It was discovered that BlueZ could be made to dereference invalid memory. An attacker could […]

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Ubuntu 18.04 — libde265 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — libde265 — 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-6764-1 Related CVEs: CVE-2023-51792 CVE-2023-27102 CVE-2023-27103 CVE-2023-43887 CVE-2023-47471 CVE-2023-49465 CVE-2023-49467 CVE-2023-49468  +12 more Upstream summary: It was discovered that libde265 could be made to allocate memory that exceeds the maximum […]

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Ubuntu 16.04 — quagga — multiple vulnerabilities (11 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — quagga — multiple vulnerabilities (11 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-6432-1 Related CVEs: CVE-2023-41358 CVE-2023-41360 CVE-2018-5378 CVE-2018-5379 CVE-2018-5380 CVE-2018-5381 CVE-2017-16227 CVE-2017-5495  +3 more Upstream summary: It was discovered that the Quagga BGP daemon did not properly check the attribute length […]

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Ubuntu 16.04 — libx11 — multiple vulnerabilities (12 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — libx11 — multiple vulnerabilities (12 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-6407-2 Related CVEs: CVE-2023-43785 CVE-2023-43786 CVE-2023-43787 CVE-2023-3138 CVE-2021-31535 CVE-2020-14344 CVE-2020-14363 CVE-2016-7942  +4 more Upstream summary: USN-6407-1 fixed several vulnerabilities in libx11. This update provides the corresponding update for Ubuntu 14.04 […]

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