Fix Prevention

Ubuntu 22.04 — glibc — multiple vulnerabilities (17 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — glibc — multiple vulnerabilities (17 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-8005-1 Related CVEs: CVE-2026-0915 CVE-2025-8058 CVE-2025-15281 CVE-2026-0861 CVE-2025-4802 CVE-2025-0395 CVE-2024-33599 CVE-2024-33600  +9 more Upstream summary: Vitaly Simonovich discovered that the GNU C Library did not properly initialize the input when […]

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Ubuntu 18.04 — php-nette — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — php-nette — 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-5983-1 Related CVEs: CVE-2020-15227 Upstream summary: Cyku Hong discovered that Nette was not properly handling and validating data used for code generation. A remote attacker could possibly use this issue […]

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Ubuntu 18.04 — open-iscsi — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — open-iscsi — multiple vulnerabilities (3 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-6259-1 Related CVEs: CVE-2020-13987 CVE-2020-13988 CVE-2020-17437 Upstream summary: Jos Wetzels, Stanislav Dashevskyi, and Amine Amri discovered that Open-iSCSI incorrectly handled certain checksums for IP packets. An attacker could possibly use […]

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Ubuntu 22.04 — openjdk-8 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — openjdk-8 — 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-8000-1 Related CVEs: CVE-2026-21932 CVE-2026-21925 CVE-2026-21933 CVE-2026-21945 CVE-2025-53057 CVE-2025-53066 CVE-2025-30749 CVE-2025-30761  +12 more Upstream summary: It was discovered that the RMI component of OpenJDK 8 would establish RMI TCP endpoint […]

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

Ubuntu 20.04 — python-git — 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-6326-1 Related CVEs: CVE-2023-40267 CVE-2022-24439 Upstream summary: It was discovered that GitPython did not block insecure options from user inputs in the clone command. An attacker could possibly use this […]

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Ubuntu 18.04 — libjettison-java — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — libjettison-java — multiple vulnerabilities (5 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-6179-1 Related CVEs: CVE-2023-1436 CVE-2022-40149 CVE-2022-40150 CVE-2022-45685 CVE-2022-45693 Upstream summary: It was discovered that Jettison incorrectly handled certain inputs. If a user or an automated system were tricked into opening […]

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Ubuntu 18.04 — python-future — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — python-future — 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-5833-1 Related CVEs: CVE-2022-40899 Upstream summary: Sebastian Chnelik discovered that python-future incorrectly handled certain HTTP header field. An attacker could possibly use this issue to cause a denial of service. […]

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Ubuntu 18.04 — binutils — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — binutils — multiple vulnerabilities (20 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-7919-1 Related CVEs: CVE-2025-11495 CVE-2025-11081 CVE-2025-11083 CVE-2025-11412 CVE-2025-11082 CVE-2025-11413 CVE-2025-11414 CVE-2025-11494  +12 more Upstream summary: It was discovered that GNU binutils' dump_dwarf_section function could be manipulated to perform an out-of-bounds […]

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Ubuntu 20.04 — audiofile — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — audiofile — multiple vulnerabilities (4 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-6558-1 Related CVEs: CVE-2018-13440 CVE-2018-17095 CVE-2019-13147 CVE-2022-24599 Upstream summary: It was discovered that audiofile could be made to dereference invalid memory. If a user or an automated system were tricked […]

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Ubuntu 22.04 — linux-starfive-5.19 — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — linux-starfive-5.19 — multiple vulnerabilities (4 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-6192-1 Related CVEs: CVE-2023-2430 CVE-2023-35788 https://launchpad.net/bugs/2023577 https://launchpad.net/bugs/2023220 Upstream summary: Hangyu Hua discovered that the Flower classifier implementation in the Linux kernel contained an out-of-bounds write vulnerability. An attacker could use […]

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