ubuntu

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

Ubuntu 20.04 — libtirpc — 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-5538-1 Related CVEs: CVE-2021-46828 Upstream summary: It was discovered that libtirpc incorrectly handled certain inputs. An attacker could possibly use this issue to cause a denial of service. Table of […]

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Ubuntu 14.04 — php-gettext — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — php-gettext — 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-4779-1 Related CVEs: CVE-2015-8980 Upstream summary: Danilo Segan discovered that Gettext mishandled certain input. An attacker could use this vulnerability to execute arbitrary code. Table of contents Symptom & Impact […]

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

Ubuntu 16.04 — heimdal — 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-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  +3 more Upstream summary: Helmut Grohne discovered that Heimdal GSSAPI incorrectly handled logical conditions that are related to memory […]

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

Ubuntu 24.04 — retroarch — 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-8166-1 Related CVEs: CVE-2025-9809 Upstream summary: It was discovered that RetroArch did not correctly handle certain memory operations, which could lead to a buffer overflow. If a user or automated […]

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Ubuntu 18.04 — spice-vdagent — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — spice-vdagent — multiple vulnerabilities (4 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-4617-1 Related CVEs: CVE-2020-25650 CVE-2020-25651 CVE-2020-25652 CVE-2020-25653 Upstream summary: Matthias Gerstner discovered that SPICE vdagent incorrectly handled the active_xfers hash table. A local attacker could possibly use this issue to […]

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

Ubuntu 22.04 — libwebsockets — 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-8024-1 Related CVEs: CVE-2025-11678 CVE-2025-11677 Upstream summary: Raffaele Bova discovered that Libwebsockets incorrectly handled memory when the upgrade header is not valid in the WebSocket server. An attacker could possibly […]

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

Ubuntu 20.04 — whoopsie — 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-4450-1 Related CVEs: CVE-2020-11937 CVE-2020-12135 CVE-2020-15570 Upstream summary: Seong-Joong Kim discovered that Whoopsie incorrectly handled memory. A local attacker could use this issue to cause Whoopsie to consume memory, resulting […]

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

Ubuntu 14.04 — pyxdg — 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-4700-1 Related CVEs: CVE-2019-12761 Upstream summary: Alexandre D'Hondt discovered that PyXDG did not properly sanitize input. An attacker could exploit this with a crafted .menu file to execute arbitrary code. […]

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Ubuntu 24.04 — pyopenssl — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — pyopenssl — multiple vulnerabilities (2 CVEs) — 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-8115-1 Related CVEs: CVE-2026-27459 CVE-2026-27448 Upstream summary: It was discovered that pyOpenSSL incorrectly handled exceptions in the tlsext_servername callback. This could result in connections being accepted after an exception, contrary […]

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Ubuntu 14.04 — linux-lts-vivid — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — linux-lts-vivid — 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-3053-1 Related CVEs: CVE-2016-1237 CVE-2016-4470 CVE-2016-4794 CVE-2016-5243 CVE-2016-3070 CVE-2016-4482 CVE-2016-4569 CVE-2016-4578  +12 more Upstream summary: A missing permission check when settings ACLs was discovered in nfsd. A local user could […]

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