ubuntu

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

Ubuntu 20.04 — apr — 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-7038-1 Related CVEs: CVE-2023-49582 Upstream summary: Thomas Stangner discovered a permission vulnerability in the Apache Portable Runtime (APR) library. A local attacker could possibly use this issue to read named […]

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Ubuntu 14.04 — postgresql-common — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — postgresql-common — multiple vulnerabilities (3 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-4194-2 Related CVEs: CVE-2019-3466 CVE-2016-1255 CVE-2017-8806 Upstream summary: USN-4194-1 fixed a vulnerability in postgresql-common. This update provides the corresponding update for Ubuntu 14.04 ESM. Original advisory details: Rich Mirch discovered […]

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Ubuntu 18.04 — h2database — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — h2database — 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-6834-1 Related CVEs: CVE-2021-42392 CVE-2022-23221 Upstream summary: It was discovered that H2 was vulnerable to deserialization of untrusted data. An attacker could possibly use this issue to execute arbitrary code. […]

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

Ubuntu 22.04 — ironic — 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-6989-1 Related CVEs: CVE-2024-44082 CVE-2023-2088 Upstream summary: Dan Smith, Julia Kreger and Jay Faulkner discovered that in image processing for Ironic, a specially crafted image could be used by an […]

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

Ubuntu 18.04 — python-scrapy — 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-7476-1 Related CVEs: CVE-2021-41125 CVE-2022-0577 CVE-2024-1892 CVE-2024-1968 CVE-2024-3572 CVE-2024-3574 Upstream summary: It was discovered that Scrapy improperly exposed HTTP authentication credentials to request targets, including during redirects. An attacker could […]

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

Ubuntu 18.04 — kicad — 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-7466-1 Related CVEs: CVE-2022-23803 CVE-2022-23804 CVE-2022-23946 CVE-2022-23947 Upstream summary: It was discovered that KiCad incorrectly handled memory when opening malicious files. An attacker could possibly use this issue to cause […]

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Ubuntu 22.04 — matrix-synapse — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — matrix-synapse — multiple vulnerabilities (8 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-7444-1 Related CVEs: CVE-2023-32683 CVE-2023-43796 CVE-2022-39374 CVE-2023-41335 CVE-2022-39335 CVE-2023-42453 CVE-2024-31208 CVE-2024-53863 Upstream summary: It was discovered that Synapse network policies could be bypassed via specially crafted URLs. An attacker could […]

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Ubuntu 20.04 — php-twig — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — php-twig — multiple vulnerabilities (5 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-7456-1 Related CVEs: CVE-2024-45411 CVE-2024-51754 CVE-2019-9942 CVE-2022-23614 CVE-2022-39261 Upstream summary: Fabien Potencier discovered that Twig did not run sandbox security checks in some circumstances. An attacker could possibly use this […]

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Ubuntu 14.04 — lcms2 — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — lcms2 — multiple vulnerabilities (3 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-3770-1 Related CVEs: CVE-2016-10165 CVE-2018-16435 CVE-2013-7455 Upstream summary: Ibrahim El-Sayed discovered that Little CMS incorrectly handled certain files. An attacker could possibly use this issue to cause a denial of […]

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Ubuntu 18.04 — node-json5 — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — node-json5 — 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-6758-1 Related CVEs: CVE-2022-46175 Upstream summary: It was discovered that the JSON5 parse method incorrectly handled the parsing of keys named \_\_proto\_\_. An attacker could possibly use this issue to […]

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