Package Management

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

Ubuntu 22.04 — harfbuzz — 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-7251-1 Related CVEs: CVE-2023-25193 CVE-2022-33068 Upstream summary: It was discovered that HarfBuzz incorrectly handled shaping certain fonts. A remote attacker could possibly use this issue to cause HarfBuzz to consume […]

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Ubuntu 20.04 — subversion — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — subversion — multiple vulnerabilities (6 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-7818-2 Related CVEs: CVE-2024-46901 CVE-2018-11782 CVE-2019-0203 CVE-2020-17525 CVE-2021-28544 CVE-2022-24070 Upstream summary: USN-7818-1 fixed vulnerabilities in Apache Subversion. This update provides the corresponding update for Ubuntu 18.04 LTS, Ubuntu 20.04 LTS, […]

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Ubuntu 18.04 — python-apt — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — python-apt — multiple vulnerabilities (6 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-7916-1 Related CVEs: CVE-2025-6966 https://launchpad.net/bugs/1907676 CVE-2020-27351 https://launchpad.net/bugs/1860606 CVE-2019-15795 CVE-2019-15796 Upstream summary: Julian Andres Klode discovered that python-apt incorrectly handled deb822 configuration files. An attacker could use this issue to cause […]

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Ubuntu 14.04 — libjpeg6b — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — libjpeg6b — 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-5497-1 Related CVEs: CVE-2018-11212 CVE-2018-11213 CVE-2018-11214 CVE-2018-11813 CVE-2020-14152 Upstream summary: It was discovered that Libjpeg6b was not properly performing bounds checks when compressing PPM and Targa image files. An attacker […]

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

Ubuntu 20.04 — python-eventlet — 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-7772-1 Related CVEs: CVE-2025-58068 https://launchpad.net/bugs/2125423 CVE-2021-21419 Upstream summary: It was discovered that Eventlet incorrectly handled certain requests. An attacker could possibly use this issue to bypass front-end security controls, launch […]

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

Ubuntu 18.04 — pcl — 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-7227-1 Related CVEs: CVE-2024-53432 Upstream summary: It was discovered that PCL incorrectly handled certain malformed files. If a user or automated system were tricked into opening a specially crafted file, […]

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

Ubuntu 18.04 — bwa — 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-4087-1 Related CVEs: CVE-2019-10269 Upstream summary: It was discovered that Burrows-Wheeler Aligner (BWA) mishandled certain crafted .alt files. An attacker could use this vulnerability to cause a denial of service […]

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Ubuntu 14.04 — lxml — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — lxml — 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-5225-1 Related CVEs: CVE-2021-43818 CVE-2021-28957 CVE-2020-27783 CVE-2018-19787 CVE-2014-3146 Upstream summary: It was discovered that lxml incorrectly handled certain XML and HTML files. An attacker could possibly use this issue to […]

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

Ubuntu 18.04 — libhtp — 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-7814-1 Related CVEs: CVE-2024-23837 CVE-2025-53537 CVE-2024-28871 CVE-2024-45797 Upstream summary: It was discovered that LibHTP did not correctly handle certain HTTP headers. A remote attacker could possibly use this issue to […]

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Ubuntu 18.04 — patch — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — patch — multiple vulnerabilities (2 CVEs) — 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-4071-1 Related CVEs: CVE-2019-13636 CVE-2019-13638 Upstream summary: It was discovered that Patch incorrectly handled certain files. An attacker could possibly use this issue to access sensitive information. (CVE-2019-13636) It was […]

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