ubuntu

Ubuntu 22.04 — trafficserver — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — trafficserver — multiple vulnerabilities (2 CVEs) — 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-8050-1 Related CVEs: CVE-2024-50305 CVE-2023-44487 Upstream summary: Masakazu Kitajo discovered that Apache Traffic Server did not properly handle the Valid Host header field. An attacker could possibly use this issue […]

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

Ubuntu 18.04 — cinnamon — 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-4844-1 Related CVEs: CVE-2018-13054 Upstream summary: Matthias Gerstner discovered that the cinnamon-settings-users utility in Cinnamon did not safely handle symlinks. An unprivileged attacker could potentially use this vulnerability to overwrite […]

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Ubuntu 14.04 — nova — multiple vulnerabilities (17 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — nova — multiple vulnerabilities (17 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-3449-1 Related CVEs: CVE-2015-3241 CVE-2015-3280 CVE-2015-5162 CVE-2015-7548 CVE-2015-7713 CVE-2015-8749 CVE-2016-2140 CVE-2014-3608  +9 more Upstream summary: George Shuklin discovered that OpenStack Nova incorrectly handled the migration process. A remote authenticated user […]

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Ubuntu 22.04 — nghttp2 — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — nghttp2 — multiple vulnerabilities (5 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-8233-1 Related CVEs: CVE-2026-27135 CVE-2019-9511 CVE-2019-9513 CVE-2023-44487 CVE-2024-28182 Upstream summary: Andrew MacPherson discovered that nghttp2 did not properly validate internal state when the session termination API was called. A remote […]

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

Ubuntu 14.04 — vlc — 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-4805-1 Related CVEs: CVE-2017-10699 CVE-2018-11529 Upstream summary: It was discovered that VLC mishandled certain crafted media files. An attacker could use this vulnerability to cause a denial of service (crash) […]

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

Ubuntu 18.04 — libreoffice — 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-6023-1 Related CVEs: CVE-2022-38745 CVE-2020-12801 CVE-2020-12803 CVE-2022-26305 CVE-2022-26306 CVE-2022-26307 CVE-2022-3140 CVE-2021-25636  +6 more Upstream summary: It was discovered that LibreOffice may be configured to add an empty entry to the […]

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Ubuntu 22.04 — wlc — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — wlc — multiple vulnerabilities (2 CVEs) — 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-7981-1 Related CVEs: CVE-2026-22251 CVE-2026-22250 Upstream summary: It was discovered that wlc did not correctly handle SSL verification. An attacker could possibly use this issue to access sensitive resources. (CVE-2026-22250) […]

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Ubuntu 16.04 — libsdl1.2 — multiple vulnerabilities (14 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — libsdl1.2 — multiple vulnerabilities (14 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-5586-1 Related CVEs: CVE-2022-34568 CVE-2021-33657 CVE-2019-13616 CVE-2019-7572 CVE-2019-7573 CVE-2019-7574 CVE-2019-7575 CVE-2019-7576  +6 more Upstream summary: It was discovered that SDL (Simple DirectMedia Layer) incorrectly handled memory. An attacker could potentially […]

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Ubuntu 18.04 — heimdal — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — heimdal — multiple vulnerabilities (10 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-5849-1 Related CVEs: CVE-2022-45142 CVE-2021-44758 CVE-2022-3437 CVE-2022-42898 CVE-2022-44640 CVE-2022-41916 CVE-2018-16860 CVE-2019-12098  +2 more Upstream summary: Helmut Grohne discovered that Heimdal GSSAPI incorrectly handled logical conditions that are related to memory […]

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

Ubuntu 16.04 — icu — 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-5133-1 Related CVEs: CVE-2020-21913 CVE-2020-10531 CVE-2017-15422 CVE-2017-14952 CVE-2017-7867 CVE-2017-7868 CVE-2014-9911 CVE-2015-4844  +3 more Upstream summary: It was discovered that ICU contains a use after free issue. An attacker could use […]

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