Package Management

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

Ubuntu 20.04 — ecdsautils — 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-6239-1 Related CVEs: CVE-2022-24884 Upstream summary: It was discovered that ECDSA Util did not properly verify certain signature values. An attacker could possibly use this issue to bypass signature verification. […]

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Ubuntu 24.04 — libraw — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — libraw — multiple vulnerabilities (4 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-7485-1 Related CVEs: CVE-2025-43961 CVE-2025-43962 CVE-2025-43963 CVE-2025-43964 Upstream summary: It was discovered that LibRaw could be made to read out of bounds. An attacker could possibly use this issue to […]

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Ubuntu 20.04 — dwarves-dfsg — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — dwarves-dfsg — multiple vulnerabilities (2 CVEs) — 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-6215-1 Related CVEs: CVE-2022-3534 CVE-2022-3606 Upstream summary: It was discovered that dwarves incorrectly handled certain memory operations under certain circumstances. An attacker could possibly use this issue to cause dwarves […]

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Ubuntu 22.04 — xorg-server — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — xorg-server — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7846-1 Related CVEs: CVE-2025-62230 CVE-2025-62231 CVE-2025-62229 CVE-2025-49175 CVE-2025-49176 CVE-2025-49177 CVE-2025-49178 CVE-2025-49179  +12 more Upstream summary: Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled certain memory operations. An attacker […]

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

Ubuntu 24.04 — quickjs — 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-7439-1 Related CVEs: CVE-2023-48183 CVE-2023-48184 CVE-2024-33263 Upstream summary: It was discovered that QuickJS could be forced to reference uninitialized memory in certain instances. An attacker could possibly use this issue […]

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Ubuntu 20.04 — python-reportlab — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — python-reportlab — 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-6196-1 Related CVEs: CVE-2023-33733 Upstream summary: It was discovered that ReportLab incorrectly handled certain PDF files. An attacker could possibly use this issue to execute arbitrary code. Table of contents […]

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Ubuntu 16.04 — drupal7 — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — drupal7 — multiple vulnerabilities (10 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-7658-1 Related CVEs: CVE-2020-11023 CVE-2020-11022 CVE-2020-13671 CVE-2020-28948 CVE-2020-28949 CVE-2015-2559 CVE-2015-2749 CVE-2015-2750  +2 more Upstream summary: It was discovered that Drupal incorrectly parsed untrusted HTML. A remote attacker could possibly use […]

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

Ubuntu 24.04 — smartdns — 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-7370-1 Related CVEs: CVE-2024-24198 CVE-2024-24199 CVE-2024-42643 Upstream summary: It was discovered that SmartDNS did not correctly align certain objects in memory, leading to undefined behaviour. An attacker could possibly use […]

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Ubuntu 14.04 — libx11 — multiple vulnerabilities (12 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — libx11 — multiple vulnerabilities (12 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-6407-2 Related CVEs: CVE-2023-43785 CVE-2023-43786 CVE-2023-43787 CVE-2023-3138 CVE-2021-31535 CVE-2020-14344 CVE-2020-14363 CVE-2016-7942  +4 more Upstream summary: USN-6407-1 fixed several vulnerabilities in libx11. This update provides the corresponding update for Ubuntu 14.04 […]

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

Ubuntu 14.04 — znc — 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-6990-1 Related CVEs: CVE-2024-39844 Upstream summary: Johannes Kuhn (DasBrain) discovered that znc incorrectly handled user input under certain operations. An attacker could possibly use this issue to execute arbitrary code […]

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