Security Hardening

Common Problems 114097

RHEL 10 – DNF package install fails because repository GPG key is missing – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 10 January 2026 Affected versions: RHEL 10 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & […]

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NetBSD 9.4 — php81-pgsql — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — php81-pgsql — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2022-31625 CVE-2025-1735 Upstream summary: pkgsrc audit-packages flagged php81-pgsql<8.1.7 for vulnerability class 'remote-code-execution'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2022-31625 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step […]

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Debian 13 — angular.js — multiple vulnerabilities (16 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — angular.js — multiple vulnerabilities (16 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 10 January 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-10768 CVE-2019-14863 CVE-2020-7676 CVE-2022-25844 CVE-2022-25869 CVE-2023-26116 CVE-2023-26117 CVE-2023-26118  +8 more Upstream summary: In AngularJS before 1.7.9 the function `merge()` could be tricked into adding or modifying properties of […]

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openSUSE Leap 15.6 — go1.22 — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.6

openSUSE Leap 15.6 — go1.22 — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.6 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2025:14735-1 (see also SUSE bugzilla) Related CVEs: CVE-2025-22866 CVE-2024-45336 CVE-2024-45341 CVE-2024-24788 Upstream summary: Due to the usage of a variable time instruction in the assembly implementation of an internal function, a […]

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FreeBSD 15 — puppetdb — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — puppetdb — multiple vulnerabilities (8 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 10 January 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: puppetdb — Potential SQL injection Related CVEs: CVE-2020-14060 CVE-2020-14061 CVE-2020-14062 CVE-2020-14195 CVE-2020-7943 CVE-2020-9548 CVE-2021-27021 CVE-2022-31197 Upstream summary: Puppet reports: The org.postgresql/postgresql driver has been updated to version 42.4.1 to address […]

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Debian 13 — backuppc — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — backuppc — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 10 January 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2009-3369 CVE-2011-3361 CVE-2011-4923 CVE-2011-5081 Upstream summary: CgiUserConfigEdit in BackupPC 3.1.0, when SSH keys and Rsync are in use in a multi-user environment, does not restrict users from the […]

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openSUSE Leap 15.6 — python3-libxml2-python — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.6

openSUSE Leap 15.6 — python3-libxml2-python — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.6 📖 ~4 min read  •  Source: SUSE advisory RHSA-2025:22376 (see also SUSE bugzilla) Related CVEs: CVE-2025-9714 Upstream summary: Uncontrolled recursion in XPath evaluation in libxml2 up to and including version 2.9.14 allows a local attacker to cause a stack […]

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Debian 13 — putty — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — putty — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 10 January 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2003-0048 CVE-2003-0069 CVE-2004-1008 CVE-2004-1440 CVE-2005-0467 CVE-2006-7162 CVE-2011-4607 CVE-2013-4206  +12 more Upstream summary: PuTTY 0.53b and earlier does not clear logon credentials from memory, including plaintext passwords, which could […]

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Debian 13 — rust-rand-core — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — rust-rand-core — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 10 January 2026 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-25576 Upstream summary: An issue was discovered in the rand_core crate before 0.4.2 for Rust. Casting of byte slices to integer slices mishandles alignment constraints. Table of contents Symptom […]

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