ubuntu

Ubuntu 16.04 — xerces-c — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — xerces-c — multiple vulnerabilities (5 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-6590-1 Related CVEs: CVE-2018-1311 CVE-2023-37536 CVE-2016-2099 CVE-2016-4463 CVE-2017-12627 Upstream summary: It was discovered that Xerces-C++ was not properly handling memory management operations when parsing XML data containing external DTDs, which […]

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Ubuntu 22.04 — cyrus-imapd — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — cyrus-imapd — multiple vulnerabilities (3 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-7224-1 Related CVEs: CVE-2019-18928 CVE-2021-33582 CVE-2024-34055 Upstream summary: It was discovered that non-authentication-related HTTP requests could be interpreted in an authentication context by a Cyrus IMAP Server when multiple requests […]

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Ubuntu 14.04 — gst-plugins-base1.0 — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — gst-plugins-base1.0 — multiple vulnerabilities (5 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-3244-1 Related CVEs: CVE-2016-9811 CVE-2017-5837 CVE-2017-5839 CVE-2017-5842 CVE-2017-5844 Upstream summary: Hanno Böck discovered that GStreamer Base Plugins did not correctly handle certain malformed media files. If a user were tricked […]

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Ubuntu 22.04 — apache2 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — apache2 — 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-8239-1 Related CVEs: CVE-2026-33007 CVE-2026-34059 CVE-2026-23918 CVE-2026-33523 CVE-2026-24072 CVE-2026-34032 CVE-2026-28780 CVE-2026-29168  +12 more Upstream summary: Bartlomiej Dmitruk and Stanislaw Strzalkowski discovered that Apache HTTP Server incorrectly handled certain memory operations […]

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Ubuntu 20.04 — debian-goodies — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — debian-goodies — 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-6714-1 Related CVEs: CVE-2023-27635 Upstream summary: It was discovered that debmany in Debian Goodies incorrectly handled certain deb files. An attacker could possibly use this issue to execute arbitrary shell […]

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

Ubuntu 22.04 — curl — 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-8227-1 Related CVEs: CVE-2026-6276 CVE-2026-5773 CVE-2026-7168 CVE-2026-5545 CVE-2026-6253 CVE-2026-6429 CVE-2026-4873 CVE-2026-3783  +12 more Upstream summary: It was discovered that curl incorrectly reused non-TLS connections when TLS was required in some […]

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Ubuntu 18.04 — maradns — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — maradns — multiple vulnerabilities (2 CVEs) — 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-6271-1 Related CVEs: CVE-2022-30256 CVE-2023-31137 Upstream summary: Xiang Li discovered that MaraDNS incorrectly handled certain inputs. If a user or an automated system were tricked into opening a specially crafted […]

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Ubuntu 20.04 — twisted — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — twisted — multiple vulnerabilities (6 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-6988-2 Related CVEs: CVE-2024-41671 CVE-2024-41810 CVE-2022-39348 CVE-2023-46137 CVE-2022-21712 CVE-2022-21716 Upstream summary: USN-6988-1 fixed CVE-2024-41671 in Twisted. The USN incorrectly stated that previous releases were unaffected. This update provides the equivalent […]

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Ubuntu 22.04 — python-asyncssh — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — python-asyncssh — multiple vulnerabilities (3 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-7108-1 Related CVEs: CVE-2023-46445 CVE-2023-46446 CVE-2023-48795 Upstream summary: Fabian Bäumer, Marcus Brinkmann, and Jörg Schwenk discovered that AsyncSSH did not properly handle the extension info message. An attacker able to […]

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Ubuntu 20.04 — libcpanel-json-xs-perl — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — libcpanel-json-xs-perl — 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-6667-1 Related CVEs: CVE-2022-48623 Upstream summary: It was discovered that Cpanel-JSON-XS incorrectly decoded certain data. A remote attacker could use this issue to cause Cpanel-JSON-XS to crash, resulting in a […]

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