Logging Monitoring

How to Secure PostgreSQL on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Secure PostgreSQL on Oracle Linux 9

Introduction Setting up secure postgresql on oracle linux 9 on a Oracle Linux 9 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Secure PostgreSQL on Oracle Linux 9, with all the commands you need, the SELinux and firewalld considerations to keep in mind, and […]

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Debian 11 — llvm-toolchain-13 — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — llvm-toolchain-13 — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 3 September 2023 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2023-29932 CVE-2023-29933 CVE-2023-29934 CVE-2023-29935 CVE-2023-29939 CVE-2023-29941 CVE-2023-29942 Upstream summary: llvm-project commit fdbc55a5 was discovered to contain a segmentation fault via the component mlir::IROperand<mlir::OpOperand. Table of contents Symptom & […]

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NetBSD 9.4 — libxcb — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — libxcb — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Upstream summary: pkgsrc audit-packages flagged libxcb<1.9.1 for vulnerability class 'buffer-overflow'. Reference: http://www.x.org/wiki/Development/Security/Advisory-2013-05-23 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary […]

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

Debian 12 — opendoas — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 3 September 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2023-28339 Upstream summary: OpenDoas through 6.8.2, when TIOCSTI is available, allows privilege escalation because of sharing a terminal with the original session. NOTE: TIOCSTI is unavailable in OpenBSD […]

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Debian 12 — dia — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — dia — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 3 September 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2005-2966 CVE-2006-1550 CVE-2006-2453 CVE-2006-2480 CVE-2008-5984 CVE-2019-19451 Upstream summary: The Python SVG import plugin (diasvg_import.py) for DIA 0.94 and earlier allows user-assisted attackers to execute arbitrary commands via a […]

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NetBSD 9.4 — gcc — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — gcc — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2021-46195 Upstream summary: pkgsrc audit-packages flagged gcc<4.5 for vulnerability class 'eol'. Reference: https://ftp.NetBSD.org/pub/NetBSD/packages/vulns/eol-packages Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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Debian 11 — zip4j — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — zip4j — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 3 September 2023 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-24615 CVE-2023-22899 Upstream summary: zip4j up to v2.10.0 can throw various uncaught exceptions while parsing a specially crafted ZIP file, which could result in an application crash. This […]

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Debian 12 — keepass2 — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — keepass2 — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 3 September 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2016-5119 CVE-2019-20184 CVE-2023-32784 Upstream summary: The automatic update feature in KeePass 2.33 and earlier allows man-in-the-middle attackers to execute arbitrary code by spoofing the version check response and […]

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openSUSE Tumbleweed — libwebp7 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — libwebp7 — 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 SUSE-SU-2023:2064-1 (see also SUSE bugzilla) Related CVEs: CVE-2023-1999 CVE-2016-8888 Upstream summary: There exists a use after free/double free in libwebp. An attacker can use the ApplyFiltersAndEncode() function and loop through to free […]

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Oracle Linux 8 — pmix — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — pmix — vulnerability — patch and remediation guide (ELSA-2024-3008)

🟠 High   ⏱ 15–60 min  Last verified: 3 September 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-3008 Related CVEs: CVE-2023-41915 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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