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Oracle Linux 9 — net-snmp — security and stability fixes — required update — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — net-snmp — security and stability fixes — required update (ELSA-2023-2444)

🟡 Medium   ⏱ 10–30 min  Last verified: 20 June 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-2444 Related CVEs: CVE-2022-44793 CVE-2022-44792 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]

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NetBSD 9.4 — ruby-puppet — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — ruby-puppet — multiple vulnerabilities (10 CVEs) — 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-2013-4969 CVE-2016-2785 CVE-2016-5713 CVE-2015-4100 CVE-2017-10689 CVE-2017-10690 CVE-2018-11751 CVE-2020-7942  +2 more Upstream summary: pkgsrc audit-packages flagged ruby{19,193,200}-puppet<3.4.1 for vulnerability class 'insecure-temp-file'. Reference: http://secunia.com/advisories/56253/ Table of contents Symptom & Impact Environment […]

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How to Set Up Jaeger Distributed Tracing on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Set Up Jaeger Distributed Tracing on Debian 12

Introduction Deploying set up jaeger distributed tracing on debian 12 on a Debian 12 Bookworm machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites You […]

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Debian 12 — policykit-1 — multiple vulnerabilities (16 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — policykit-1 — multiple vulnerabilities (16 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 20 June 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2008-1658 CVE-2011-1485 CVE-2011-4945 CVE-2013-4288 CVE-2015-3218 CVE-2015-3255 CVE-2015-4625 CVE-2016-2568  +8 more Upstream summary: Format string vulnerability in the grant helper (polkit-grant-helper.c) in PolicyKit 0.7 and earlier allows attackers to […]

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Windows Server 2022 — KB5029242 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2022

Windows Server 2022 — KB5029242 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2022 📖 ~4 min read  •  Source: Microsoft KB5029242 • MSRC update-guide entry Related CVEs: CVE-2023-36910 CVE-2023-36911 CVE-2023-35385 CVE-2023-35359 CVE-2023-36873 CVE-2023-36882 CVE-2023-36889 CVE-2023-36899  +12 more Affected components: Windows Server 2022 Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2022 […]

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

Debian 12 — fastapi — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 20 June 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-32677 Upstream summary: FastAPI is a web framework for building APIs with Python 3.6+ based on standard Python type hints. FastAPI versions lower than 0.65.2 that used cookies […]

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NetBSD 9.4 — go-jwt-go — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — go-jwt-go — 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-2020-26160 Upstream summary: pkgsrc audit-packages flagged go-jwt-go<4.0.0 for vulnerability class 'security-bypass'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2020-26160 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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Common Problems 114413

RHEL 9 firewalld blocks expected application traffic

🟡 Medium   ⏱ 5–30 min  Last verified: 20 June 2023 📖 ~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 & Cross-Refs References & Further […]

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Debian 12 — libdata-validate-ip-perl — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — libdata-validate-ip-perl — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 20 June 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-29662 Upstream summary: The Data::Validate::IP module through 0.29 for Perl does not properly consider extraneous zero characters at the beginning of an IP address string, which (in some […]

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Debian 12 — ntpsec — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — ntpsec — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 20 June 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-7182 CVE-2019-6442 CVE-2019-6443 CVE-2019-6444 CVE-2019-6445 CVE-2021-22212 CVE-2023-4012 Upstream summary: The ctl_getitem method in ntpd in ntp-4.2.8p6 before 4.2.8p11 allows remote attackers to cause a denial of service (out-of-bounds […]

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