chris

Ubuntu 24.04 — python-zipp — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — python-zipp — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6906-1 Related CVEs: CVE-2024-5569 Upstream summary: It was discovered that python-zipp did not properly handle the zip files with malformed names. An attacker could possibly use this issue to cause […]

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Ubuntu 22.04 — opencv — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — opencv — multiple vulnerabilities (5 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-7247-1 Related CVEs: CVE-2019-14493 CVE-2019-16249 CVE-2019-19624 CVE-2023-2617 CVE-2023-2618 Upstream summary: It was discovered that OpenCV did not properly manage certain XML data, leading to a NULL pointer dereference. If a […]

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Ubuntu 22.04 — fossil — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — fossil — vulnerability — 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-6770-1 Related CVEs: https://launchpad.net/bugs/2064509 Upstream summary: USN-6729-1 fixed vulnerabilities in Apache HTTP Server. The update lead to the discovery of a regression in Fossil with regards to the handling of […]

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Ubuntu 16.04 — postfix — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — postfix — multiple vulnerabilities (3 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-6591-2 Related CVEs: CVE-2023-51764 https://bugs.launchpad.net/ubuntu/+source/postfix/+bug/2049337 https://bugs.launchpad.net/ubuntu/+source/postfix/+bug/2050834 Upstream summary: USN-6591-1 fixed vulnerabilities in Postfix. A fix with less risk of regression has been made available since the last update. This update […]

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

Ubuntu 20.04 — cpio — 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-6755-1 Related CVEs: CVE-2023-7207 CVE-2021-38185 Upstream summary: Ingo Brückl discovered that cpio contained a path traversal vulnerability. If a user or automated system were tricked into extracting a specially crafted […]

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Ubuntu 20.04 — nginx — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — nginx — multiple vulnerabilities (9 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-7285-1 Related CVEs: CVE-2025-23419 https://launchpad.net/bugs/1977718 CVE-2024-7347 CVE-2022-41741 CVE-2022-41742 CVE-2020-11724 CVE-2020-36309 CVE-2021-3618  +1 more Upstream summary: It was discovered that nginx incorrectly handled when multiple server blocks are configured to share […]

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

Ubuntu 20.04 — vim — 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-8213-1 Related CVEs: CVE-2026-39881 CVE-2026-35177 CVE-2026-33412 CVE-2026-34982 CVE-2026-32249 CVE-2026-26269 CVE-2026-28419 CVE-2026-28418  +12 more Upstream summary: Michał Majchrowicz discovered that Vim's zip plugin could overwrite arbitrary files. An attacker could possibly […]

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

Ubuntu 18.04 — plib — 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-6353-1 Related CVEs: CVE-2021-38714 Upstream summary: Wooseok Kang discovered that PLIB did not properly manage memory under certain circumstances. If a user were tricked into opening a specially crafted TGA […]

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

Ubuntu 22.04 — linux-lowlatency — 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-8255-1 Related CVEs: CVE-2023-2640 CVE-2023-32629 CVE-2026-23112 CVE-2026-23273 CVE-2023-53421 CVE-2023-53520 CVE-2023-53662 CVE-2023-54207  +12 more Upstream summary: Stonejiajia, Shir Tamari and Sagi Tzadik discovered that the OverlayFS implementation in the Ubuntu Linux […]

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Ubuntu 14.04 — jbig2dec — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — jbig2dec — 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-3297-1 Related CVEs: CVE-2016-9601 CVE-2017-7885 CVE-2017-7975 CVE-2017-7976 Upstream summary: Bingchang Liu discovered that jbig2dec incorrectly handled memory when decoding malformed image files. If a user or automated system were tricked […]

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