chris

Ubuntu 22.04 — apparmor — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — apparmor — multiple vulnerabilities (2 CVEs) — 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-7035-1 Related CVEs: CVE-2016-1585 https://bugs.launchpad.net/apparmor/+bug/1597017 Upstream summary: It was discovered that the AppArmor policy compiler incorrectly generated looser restrictions than expected for rules allowing mount operations. A local attacker could […]

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

Ubuntu 16.04 — ruby-doorkeeper — 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-7394-1 Related CVEs: CVE-2016-6582 CVE-2018-1000088 CVE-2023-34246 Upstream summary: Jonathan Clem and Justin Bull discovered that Doorkeeper could allow arbitrary token revocation and replay attacks. An attacker could possibly use this […]

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Ubuntu 18.04 — libhibernate3-java — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — libhibernate3-java — 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-6845-1 Related CVEs: CVE-2020-25638 Upstream summary: It was discovered that Hibernate incorrectly handled certain inputs with unsanitized literals. If a user or an automated system were tricked into opening a […]

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Ubuntu 20.04 — configobj — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — configobj — 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-7040-1 Related CVEs: CVE-2023-26112 Upstream summary: It was discovered that ConfigObj contains regex that is susceptible to catastrophic backtracking. An attacker could possibly use this issue to cause a regular […]

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

Ubuntu 14.04 — postgresql-common — 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-4194-2 Related CVEs: CVE-2019-3466 CVE-2016-1255 CVE-2017-8806 Upstream summary: USN-4194-1 fixed a vulnerability in postgresql-common. This update provides the corresponding update for Ubuntu 14.04 ESM. Original advisory details: Rich Mirch discovered […]

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

Ubuntu 20.04 — libvpx — 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-7551-1 Related CVEs: CVE-2025-5283 CVE-2024-5197 CVE-2023-44488 CVE-2023-5217 Upstream summary: It was discovered that libvpx did not properly manage memory. An attacker could possibly use this issue to cause applications using […]

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Ubuntu 24.04 — gnuchess — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — gnuchess — 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-7336-1 Related CVEs: CVE-2021-30184 Upstream summary: Michael Vaughan discovered an overflow vulnerability in GNU Chess that occurs when reading a specially crafted Portable Game Notation (PGN) file. An attacker could […]

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Ubuntu 22.04 — libraw — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — libraw — multiple vulnerabilities (6 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-7485-1 Related CVEs: CVE-2025-43961 CVE-2025-43962 CVE-2025-43963 CVE-2025-43964 CVE-2021-32142 CVE-2023-1729 Upstream summary: It was discovered that LibRaw could be made to read out of bounds. An attacker could possibly use this […]

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

Ubuntu 18.04 — gettext — 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-3815-1 Related CVEs: CVE-2018-18751 Upstream summary: It was discovered that gettext incorrectly handled certain messages. An attacker could possibly use this issue to execute arbitrary code. Table of contents Symptom […]

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

Ubuntu 18.04 — modsecurity-apache — 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-7567-1 Related CVEs: CVE-2025-47947 CVE-2025-48866 CVE-2021-42717 CVE-2022-48279 CVE-2023-24021 Upstream summary: Simon Studer discovered that ModSecurity incorrectly handled certain JSON objects. An attacker could possibly use this issue to cause a […]

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