Fix Prevention

Debian 13 — qtdeclarative-opensource-src-gles — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — qtdeclarative-opensource-src-gles — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 13 November 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-40983 CVE-2022-43591 CVE-2025-12385 Upstream summary: An integer overflow vulnerability exists in the QML QtScript Reflect API of Qt Project Qt 6.3.2. A specially-crafted javascript code can trigger an […]

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How to Install Memcached on SLES 16 — step-by-step SUSE Linux Enterprise 16 tutorial on Progressive Robot

How to Install Memcached on SLES 16

Introduction This tutorial covers How to Install Memcached on SLES 16 on SLES 16. SLES 16 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Prerequisites Ensure your SLES 16 system is up to date: zypper refresh && […]

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Alpine Linux 3.20 — rekor — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux 3.20

Alpine Linux 3.20 — rekor — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.20 / fixed in 1.1.1-r0 📖 ~4 min read  •  Source: Alpine secdb entry — rekor 1.1.1-r0 Related CVEs: CVE-2023-30551 Upstream summary: Alpine community repository for vv3.20 ships rekor 1.1.1-r0 which addresses CVE-2023-30551. Table of contents Symptom & Impact Environment […]

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Debian 12 — rhino — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — rhino — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 13 November 2025 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2025-66453 Upstream summary: Rhino is an open-source implementation of JavaScript written entirely in Java. Prior to 1.8.1, 1.7.15.1, and 1.7.14.1, when an application passed an attacker controlled float […]

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How to Configure PostgreSQL Remote Access and SSL on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Configure PostgreSQL Remote Access and SSL on RHEL 9

By default, PostgreSQL only accepts connections from localhost using peer or ident authentication. Enabling remote access requires two configuration changes: editing postgresql.conf to listen on a network interface, and editing pg_hba.conf to permit remote connections from specific hosts or subnets. Beyond network access, encrypting the connection with SSL/TLS is essential for any deployment where database […]

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Debian 13 — jbig2enc — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — jbig2enc — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 13 November 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-11230 CVE-2023-46362 CVE-2023-46363 Upstream summary: jbig2_add_page in jbig2enc.cc in libjbig2enc.a in jbig2enc 0.29 allows remote attackers to cause a denial of service (use-after-free) or possibly have unspecified other […]

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Alpine Linux 3.20 — py3-babel — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux 3.20

Alpine Linux 3.20 — py3-babel — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.20 / fixed in 2.9.1-r0 📖 ~4 min read  •  Source: Alpine secdb entry — py3-babel 2.9.1-r0 Related CVEs: CVE-2021-42771 Upstream summary: Alpine main repository for vv3.20 ships py3-babel 2.9.1-r0 which addresses CVE-2021-42771. Table of contents Symptom & Impact Environment […]

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Debian 13 — xmlgraphics-commons — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — xmlgraphics-commons — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 13 November 2025 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-11988 Upstream summary: Apache XmlGraphics Commons 2.4 and earlier is vulnerable to server-side request forgery, caused by improper input validation by the XMPParser. By using a specially-crafted argument, an […]

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SLES 16 — gpgme — vulnerability — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — gpgme — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 13 November 2025 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2014:1073-1 (see also SUSE bugzilla) Related CVEs: CVE-2014-3564 Upstream summary: Multiple heap-based buffer overflows in the status_handler function in (1) engine-gpgsm.c and (2) engine-uiserver.c in GPGME before 1.5.1 allow remote attackers to […]

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Common Problems 113961

RHEL 10 – sshd fails to start due to invalid sshd_config directives – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 13 November 2025 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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