Package Management

Ubuntu 16.04 — php-dompdf — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — php-dompdf — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6277-1 Related CVEs: CVE-2014-5011 CVE-2014-5012 CVE-2014-5013 CVE-2021-3838 CVE-2022-2400 Upstream summary: It was discovered that Dompdf was not properly validating untrusted input when processing HTML content under certain circumstances. An attacker […]

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Ubuntu 20.04 — intel-microcode — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — intel-microcode — 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-8068-1 Related CVEs: CVE-2025-31648 CVE-2025-20053 CVE-2025-22839 CVE-2025-22840 CVE-2025-20109 CVE-2025-24305 CVE-2025-26403 CVE-2025-21090  +12 more Upstream summary: Sergiu Ghetie discovered that some Intel® processors did not properly handle values in the microcode […]

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Ubuntu 16.04 — graphite-web — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — graphite-web — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6243-1 Related CVEs: CVE-2017-18638 CVE-2022-4728 CVE-2022-4729 CVE-2022-4730 Upstream summary: It was discovered that Graphite-Web incorrectly handled certain inputs. If a user or an automated system were tricked into opening a […]

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Ubuntu 20.04 — rlottie — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — rlottie — multiple vulnerabilities (10 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-8058-1 Related CVEs: CVE-2025-53074 CVE-2025-0634 CVE-2025-53075 CVE-2021-31315 CVE-2021-31317 CVE-2021-31318 CVE-2021-31319 CVE-2021-31320  +2 more Upstream summary: It was discovered that rlottie did not properly handle certain inputs. An attacker could use […]

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Ubuntu 20.04 — pypy3 — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — pypy3 — 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-6524-1 Related CVEs: CVE-2022-37454 Upstream summary: Nicky Mouha discovered that PyPy incorrectly handled certain SHA-3 operations. An attacker could possibly use this issue to cause PyPy to crash, resulting in […]

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

Ubuntu 14.04 — libevent — 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-3228-1 Related CVEs: CVE-2016-10195 CVE-2016-10196 CVE-2016-10197 CVE-2014-6272 Upstream summary: Guido Vranken discovered that libevent incorrectly handled memory when processing certain data. A remote attacker could possibly use this issue with […]

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Ubuntu 22.04 — accountsservice — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — accountsservice — multiple vulnerabilities (3 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-6687-1 Related CVEs: CVE-2012-6655 CVE-2023-3297 CVE-2022-1804 Upstream summary: It was discovered that AccountsService called a helper incorrectly when performing password change operations. A local attacker could possibly use this issue […]

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Ubuntu 24.04 — cups-filters — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — cups-filters — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7878-1 Related CVEs: CVE-2025-64503 CVE-2025-57812 CVE-2025-64524 Upstream summary: It was discovered that cups-filters incorrectly handled certain malformed TIFF image files. A remote attacker could use this issue to cause cups-filters […]

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Ubuntu 18.04 — djvulibre — multiple vulnerabilities (13 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — djvulibre — multiple vulnerabilities (13 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-8054-1 Related CVEs: CVE-2025-53367 CVE-2021-46312 CVE-2021-3630 CVE-2021-32490 CVE-2021-32491 CVE-2021-32492 CVE-2021-32493 CVE-2021-3500  +5 more Upstream summary: It was discovered that DjVuLibre could be forced to execute a division by zero in […]

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Ubuntu 14.04 — nvidia-graphics-drivers-304-updates — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — nvidia-graphics-drivers-304-updates — multiple vulnerabilities (5 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-2814-1 Related CVEs: CVE-2015-7869 CVE-2015-5950 CVE-2014-8091 CVE-2014-8098 CVE-2014-8298 Upstream summary: It was discovered that the NVIDIA graphics drivers incorrectly sanitized user mode inputs. A local attacker could use this issue […]

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