Security Hardening

Debian 13 — prometheus — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — prometheus — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 10 June 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-3826 CVE-2026-42151 CVE-2026-42154 Upstream summary: A stored, DOM based, cross-site scripting (XSS) flaw was found in Prometheus before version 2.7.1. An attacker could exploit this by convincing an […]

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Debian 13 — firebird4.0 — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — firebird4.0 — multiple vulnerabilities (10 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 10 June 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2025-24975 CVE-2025-54989 CVE-2026-27890 CVE-2026-28212 CVE-2026-28214 CVE-2026-28224 CVE-2026-33337 CVE-2026-34232  +2 more Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – […]

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

Ubuntu 20.04 — frr — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 10 June 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8175-1 Related CVEs: CVE-2026-5107 CVE-2024-44070 CVE-2024-55553 CVE-2022-26126 CVE-2022-26127 CVE-2022-26128 CVE-2022-26129 CVE-2022-37032  +12 more Upstream summary: It was discovered that FRR did not correctly handle certain network requests. A remote attacker […]

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openSUSE Tumbleweed — ruby3.4 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — ruby3.4 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory RHSA-2025:23063 (see also SUSE bugzilla) Related CVEs: CVE-2025-61594 CVE-2025-58767 Upstream summary: URI is a module providing classes to handle Uniform Resource Identifiers. In versions 0.12.4 and earlier (bundled in Ruby 3.2 series) […]

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Ubuntu 18.04 — sqlite3 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — sqlite3 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 10 June 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7679-1 Related CVEs: CVE-2025-6965 CVE-2025-29088 CVE-2023-7104 CVE-2022-35737 CVE-2020-35525 CVE-2020-35527 CVE-2021-20223 CVE-2021-36690  +12 more Upstream summary: It was discovered that SQLite incorrectly handled aggregate terms. An attacker could use this issue […]

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Ubuntu 22.04 — libjson-xs-perl — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — libjson-xs-perl — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 10 June 2026 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7750-1 Related CVEs: CVE-2025-40928 Upstream summary: It was discovered that JSON-XS incorrectly handled parsing certain JSON data. An attacker could possibly use this issue to cause JSON-XS to crash, resulting […]

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Red Hat Enterprise Linux 9 — corosync — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Red Hat Enterprise Linux 9

Red Hat Enterprise Linux 9 — corosync — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Red Hat Enterprise Linux 9 📖 ~4 min read  •  Source: Red Hat advisory RHSA RHSA-2026:19200 Related CVEs: CVE-2026-35091 CVE-2026-35092 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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SLES 16 — jakarta-taglibs-standard — vulnerability — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — jakarta-taglibs-standard — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 10 June 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2017:1568-1 (see also SUSE bugzilla) Related CVEs: CVE-2015-0254 Upstream summary: Apache Standard Taglibs before 1.2.3 allows remote attackers to execute arbitrary code or conduct external XML entity (XXE) attacks via a crafted […]

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Oracle Linux 10 — ruby — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 10

Oracle Linux 10 — ruby — vulnerability — patch and remediation guide (ELSA-2026-18065)

🟠 High   ⏱ 15–60 min  Last verified: 10 June 2026 Affected versions: Oracle Linux 10 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-18065 Related CVEs: CVE-2026-41316 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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openSUSE Leap 15.6 — python311-CairoSVG — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.6

openSUSE Leap 15.6 — python311-CairoSVG — 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 SUSE-SU-2026:1421-1 (see also SUSE bugzilla) Related CVEs: CVE-2026-31899 Upstream summary: CairoSVG is an SVG converter based on Cairo, a 2D graphics library. Prior to Kozea/CairoSVG has exponential denial of service via […]

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