ubuntu

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

Ubuntu 18.04 — check-mk — 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-5527-1 Related CVEs: CVE-2017-14955 CVE-2017-9781 CVE-2021-36563 CVE-2021-40906 CVE-2022-24565 Upstream summary: It was discovered that Checkmk incorrectly handled authentication. An attacker could possibly use this issue to cause a race condition […]

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Ubuntu 18.04 — hdf5 — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — hdf5 — 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-5272-1 Related CVEs: CVE-2018-17233 CVE-2018-17234 CVE-2018-17237 CVE-2017-17505 CVE-2017-17506 CVE-2017-17508 Upstream summary: It was discovered that HDF5 incorrectly handled certain inputs. An attacker could possibly use this issue to cause a […]

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Ubuntu 14.04 — pcre3 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — pcre3 — multiple vulnerabilities (20 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-5425-1 Related CVEs: CVE-2019-20838 CVE-2020-14155 CVE-2014-9769 CVE-2015-2325 CVE-2015-2326 CVE-2015-2327 CVE-2015-2328 CVE-2015-3210  +12 more Upstream summary: Yunho Kim discovered that PCRE incorrectly handled memory when handling certain regular expressions. An attacker […]

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

Ubuntu 20.04 — libphp-phpmailer — 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-5956-1 Related CVEs: CVE-2016-10033 CVE-2016-10045 CVE-2017-11503 CVE-2017-5223 CVE-2018-19296 CVE-2020-13625 CVE-2021-3603 Upstream summary: Dawid Golunski discovered that PHPMailer was not properly escaping user input data used as arguments to functions executed […]

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Ubuntu 24.04 — dcmtk — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — dcmtk — multiple vulnerabilities (9 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-7010-1 Related CVEs: CVE-2021-41687 CVE-2021-41688 CVE-2021-41689 CVE-2021-41690 CVE-2022-2121 CVE-2022-43272 CVE-2024-28130 CVE-2024-34508  +1 more Upstream summary: Jinsheng Ba discovered that DCMTK incorrectly handled certain requests. If a user or an automated […]

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Ubuntu 20.04 — rsync — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — rsync — multiple vulnerabilities (10 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-7206-2 Related CVEs: https://launchpad.net/bugs/2095004 CVE-2024-12084 CVE-2024-12085 CVE-2024-12086 CVE-2024-12087 CVE-2024-12088 CVE-2024-12747 CVE-2022-29154  +2 more Upstream summary: USN-7206-1 fixed vulnerabilities in rsync. The update introduced a regression in rsync. This update fixes […]

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

Ubuntu 20.04 — musl — 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-5990-1 Related CVEs: CVE-2019-14697 CVE-2020-28928 Upstream summary: It was discovered that musl did not handle certain i386 math functions properly. An attacker could use this vulnerability to cause a denial […]

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

Ubuntu 20.04 — thunderbird — 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-7193-1 Related CVEs: CVE-2024-11694 CVE-2024-9680 CVE-2024-7519 CVE-2024-7521 CVE-2024-7522 CVE-2024-7525 CVE-2024-7526 CVE-2024-7527  +12 more Upstream summary: Masato Kinugawa discovered that Thunderbird did not properly validate the CSP policy in the Web […]

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

Ubuntu 14.04 — libxdmcp — 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-5690-1 Related CVEs: CVE-2017-2625 Upstream summary: It was discovered that libXdmcp was generating weak session keys. A local attacker could possibly use this issue to perform a brute force attack […]

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Ubuntu 18.04 — cacti — multiple vulnerabilities (15 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — cacti — multiple vulnerabilities (15 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-7226-1 Related CVEs: CVE-2022-46169 CVE-2024-25641 CVE-2024-29894 CVE-2024-31443 CVE-2024-31444 CVE-2024-31445 CVE-2024-31458 CVE-2024-31459  +7 more Upstream summary: It was discovered that Cacti did not properly sanitize the 'poller_id' parameter in the "remote_agent.php" […]

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