Package Management

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

Ubuntu 18.04 — tcpreplay — 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-7231-1 Related CVEs: CVE-2023-27783 CVE-2023-27784 CVE-2023-27785 CVE-2023-27786 CVE-2023-27787 CVE-2023-27788 CVE-2023-27789 CVE-2023-4256  +12 more Upstream summary: It was discovered that Tcpreplay incorrectly handled memory when using the tcprewrite utility. A remote […]

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Ubuntu 20.04 — u-boot — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — u-boot — multiple vulnerabilities (7 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-5764-1 Related CVEs: CVE-2022-2347 CVE-2022-30552 CVE-2022-30767 CVE-2022-30790 CVE-2022-33103 CVE-2022-33967 CVE-2022-34835 Upstream summary: It was discovered that U-Boot incorrectly handled certain USB DFU download setup packets. A local attacker could use […]

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

Ubuntu 20.04 — apr-util — 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-5870-1 Related CVEs: CVE-2022-25147 Upstream summary: Ronald Crane discovered that APR-util did not properly handled memory when encoding or decoding certain input data. An attacker could possibly use this issue […]

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Ubuntu 22.04 — linux-hwe-6.5 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — linux-hwe-6.5 — 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-6900-1 Related CVEs: CVE-2023-52631 CVE-2023-52637 CVE-2023-52638 CVE-2023-52642 CVE-2023-52643 CVE-2023-52645 CVE-2023-52880 CVE-2023-6270  +12 more Upstream summary: It was discovered that the ATA over Ethernet (AoE) driver in the Linux kernel contained […]

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

Ubuntu 20.04 — unzip — 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-5673-1 Related CVEs: CVE-2021-4217 CVE-2022-0529 CVE-2022-0530 https://launchpad.net/bugs/1957077 Upstream summary: It was discovered that unzip did not properly handle unicode strings under certain circumstances. If a user were tricked into opening […]

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Ubuntu 20.04 — busybox — multiple vulnerabilities (15 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — busybox — multiple vulnerabilities (15 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-6961-1 Related CVEs: CVE-2022-48174 CVE-2023-42363 CVE-2023-42364 CVE-2023-42365 CVE-2021-28831 CVE-2021-42374 CVE-2021-42378 CVE-2021-42379  +7 more Upstream summary: It was discovered that BusyBox did not properly validate user input when performing certain arithmetic […]

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Ubuntu 16.04 — cacti — multiple vulnerabilities (14 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — cacti — multiple vulnerabilities (14 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-6969-1 Related CVEs: CVE-2024-25641 CVE-2024-29894 CVE-2024-31443 CVE-2024-31444 CVE-2024-31445 CVE-2024-31458 CVE-2024-31459 CVE-2024-31460  +6 more Upstream summary: It was discovered that Cacti did not properly apply checks to the "Package Import" feature. […]

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Ubuntu 20.04 — jupyter-notebook — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — jupyter-notebook — multiple vulnerabilities (8 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-5585-1 Related CVEs: CVE-2018-19351 CVE-2018-21030 CVE-2019-10255 CVE-2019-10856 CVE-2019-9644 CVE-2020-26215 CVE-2022-24758 CVE-2022-29238 Upstream summary: It was discovered that Jupyter Notebook incorrectly handled certain notebooks. An attacker could possibly use this issue […]

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

Ubuntu 20.04 — virtuoso-opensource — 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-6879-1 Related CVEs: CVE-2023-31620 CVE-2023-31622 CVE-2023-31624 CVE-2023-31626 CVE-2023-31627 CVE-2023-31629 CVE-2023-31630 CVE-2023-31631  +12 more Upstream summary: Jingzhou Fu discovered that Virtuoso Open-Source Edition incorrectly handled certain crafted SQL statements. An attacker […]

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Ubuntu 16.04 — tomcat8 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — tomcat8 — multiple vulnerabilities (20 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-6943-1 Related CVEs: CVE-2020-9484 CVE-2021-25122 CVE-2021-41079 CVE-2022-23181 CVE-2022-29885 CVE-2020-13935 CVE-2020-1935 CVE-2019-12418  +12 more Upstream summary: It was discovered that Tomcat incorrectly handled certain uncommon PersistenceManager with FileStore configurations. A remote […]

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