chris

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

Ubuntu 22.04 — libmatio — 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-6829-1 Related CVEs: CVE-2022-1515 Upstream summary: It was discovered that matio incorrectly handled certain malformed files. An attacker could possibly use this issue to cause a denial of service. Table […]

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Ubuntu 24.04 — flatpak — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — flatpak — multiple vulnerabilities (2 CVEs) — 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-7046-1 Related CVEs: CVE-2024-42472 https://launchpad.net/bugs/2077087 Upstream summary: It was discovered that Flatpak incorrectly handled certain persisted directories. An attacker could possibly use this issue to read and write files in […]

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

Ubuntu 18.04 — hibagent — 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-6493-2 Related CVEs: https://launchpad.net/bugs/2043739 Upstream summary: USN-6493-1 fixed a vulnerability in hibagent. This update provides the corresponding update for Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. Original advisory details: On […]

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Ubuntu 22.04 — nginx — multiple vulnerabilities (15 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — nginx — multiple vulnerabilities (15 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-8271-1 Related CVEs: CVE-2026-42945 CVE-2026-28753 CVE-2026-28755 CVE-2026-32647 CVE-2026-27651 CVE-2026-27784 CVE-2026-27654 CVE-2026-1642  +7 more Upstream summary: It was discovered that the nginx ngx_http_rewrite_module component incorrectly handled certain rewrite directives. A remote […]

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

Ubuntu 22.04 — cmark-gfm — 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-7319-1 Related CVEs: CVE-2022-39209 CVE-2023-22483 CVE-2023-22484 CVE-2023-22486 CVE-2023-26485 Upstream summary: It was discovered that cmark-gfm's autolink extension did not correctly handle parsing large inputs. An attacker could possibly use this […]

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Ubuntu 14.04 — ldns — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — ldns — multiple vulnerabilities (3 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-3491-1 Related CVEs: CVE-2014-3209 CVE-2017-1000231 CVE-2017-1000232 Upstream summary: Leon Weber discovered that the ldns-keygen tool incorrectly set permissions on private keys. A local attacker could possibly use this issue to […]

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Ubuntu 20.04 — libapache-mod-jk — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — libapache-mod-jk — 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-6826-1 Related CVEs: CVE-2023-41081 Upstream summary: Karl von Randow discovered that mod_jk was vulnerable to an authentication bypass. If the configuration did not provide explicit mounts for all possible proxied […]

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

Ubuntu 20.04 — restrictedpython — 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-7355-1 Related CVEs: CVE-2023-37271 CVE-2023-41039 CVE-2024-47532 CVE-2025-22153 Upstream summary: Nakul Choudhary and Robert Xiao discovered that RestrictedPython did not properly sanitize certain inputs. An attacker could possibly use this issue […]

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

Ubuntu 18.04 — openvpn — 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-7340-1 Related CVEs: CVE-2017-12166 CVE-2024-5594 CVE-2022-0547 CVE-2020-11810 CVE-2020-15078 Upstream summary: It was discovered that OpenVPN did not perform proper input validation when generating a TLS key under certain configuration, which […]

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Ubuntu 16.04 — wget — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — wget — multiple vulnerabilities (9 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-6852-2 Related CVEs: CVE-2024-38428 CVE-2018-20483 CVE-2019-5953 CVE-2018-0494 CVE-2016-7098 CVE-2017-13089 CVE-2017-13090 CVE-2017-6508  +1 more Upstream summary: USN-6852-1 fixed a vulnerability in Wget. This update provides the corresponding update for Ubuntu 16.04 […]

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