2023 - Page 341 of 885

Ubuntu 18.04 — postfix — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — postfix — multiple vulnerabilities (3 CVEs) — patch and remediation guide

  • August 21, 2023
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 21 August 2023 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6591-2 Related CVEs: CVE-2023-51764 https://bugs.launchpad.net/ubuntu/+source/postfix/+bug/2049337 https://bugs.launchpad.net/ubuntu/+source/postfix/+bug/2050834 Upstream summary: USN-6591-1 fixed vulnerabilities in Postfix. A fix with less risk of regression has been made available since the last update. This update […]

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

NetBSD 9.4 — tkman — vulnerability — patch and remediation guide

  • August 21, 2023
  • BSD
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🟠 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-2008-5137 Upstream summary: pkgsrc audit-packages flagged tkman-[0-9]* for vulnerability class 'privilege-escalation'. Reference: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-5137 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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Ubuntu 22.04 — pygments — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — pygments — vulnerability — patch and remediation guide

  • August 21, 2023
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 21 August 2023 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7128-1 Related CVEs: CVE-2022-40896 Upstream summary: Sebastian Chnelik discovered that Pygments had an inefficient regex query for analyzing certain inputs. An attacker could possibly use this issue to cause a […]

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How to Configure Apache2 with mod_security on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Configure Apache2 with mod_security on Debian 12

  • August 21, 2023
  • Linux
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Introduction How to Configure Apache2 with mod_security on Debian 12 is a fundamental operation for any administrator maintaining a Debian 12 Bookworm server. Debian 12 Bookworm ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian 12. […]

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Oracle Linux 9 — libguestfs security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — libguestfs security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2022-7958)

  • August 20, 2023
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 20 August 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-7958 Related CVEs: CVE-2022-2211 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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NetBSD 9.4 — p5-Catalyst-Plugin-Static-Simple — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — p5-Catalyst-Plugin-Static-Simple — vulnerability — patch and remediation guide

  • August 20, 2023
  • BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2017-16248 Upstream summary: pkgsrc audit-packages flagged p5-Catalyst-Plugin-Static-Simple<0.34 for vulnerability class 'information-disclosure'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2017-16248 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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Common Problems 120108

Debian 12: Systemd unit enters restart loop

  • August 20, 2023
  • Linux
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🟠 High   ⏱ 5–30 min  Last verified: 20 August 2023 Affected versions: Debian 12 📖 ~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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How to Configure PHP-FPM on CentOS Stream 9 — step-by-step CentOS Stream 9 tutorial on Progressive Robot

How to Configure PHP-FPM on CentOS Stream 9

  • August 20, 2023
  • CentOS
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Introduction CentOS Stream 9 ships with a stable, security-hardened base that makes deploying configure php-fpm on centos stream 9 both straightforward and auditable. This tutorial covers the complete procedure for how to Configure PHP-FPM on CentOS Stream 9, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for network-facing services. […]

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NetBSD 9.4 — XFree86-libs — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — XFree86-libs — vulnerability — patch and remediation guide

  • August 20, 2023
  • BSD
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🟢 Low   ⏱ 5–15 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 XFree86-libs<4.4.0nb2 for vulnerability class 'denial-of-service'. Reference: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2004-0687 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary […]

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