October 2022 - Page 65 of 72

Debian 11 — libstb — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libstb — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2018-16981 CVE-2019-13217 CVE-2019-13218 CVE-2019-13219 CVE-2019-13220 CVE-2019-13221 CVE-2019-13222 CVE-2019-13223  +12 more Upstream summary: stb stb_image.h 2.19, as used in catimg, Emscripten, and other products, has a heap-based buffer overflow […]

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Oracle Linux 9 — wavpack — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — wavpack — vulnerability — patch and remediation guide (ELSA-2022-8139)

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-8139 Related CVEs: CVE-2021-44269 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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How to Install and Configure vim and nano on RHEL 8 — step-by-step RHEL 8 tutorial on Progressive Robot

How to Install and Configure vim and nano on RHEL 8

Text editors are an essential tool for every Linux system administrator, and RHEL 8 ships with access to both vim and nano through its default repositories. vim is a powerful modal editor favored for its speed and extensibility once the learning curve is overcome, while nano offers a straightforward, menu-driven experience suitable for quick edits. […]

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AlmaLinux 8 — xz — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — xz — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2022:4991 Related CVEs: CVE-2022-1271 Upstream summary: XZ Utils is an integrated collection of user-space file compression utilities based on the Lempel-Ziv-Markov chain algorithm (LZMA), which performs lossless data compression. The algorithm provides […]

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Gentoo Linux — dev-python/setuptools — vulnerability — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — dev-python/setuptools — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202405-10 Related CVEs: CVE-2022-40897 Upstream summary: A vulnerability has been discovered in Setuptools. See the impact field. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step […]

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Gentoo Linux — media-libs/leptonica — multiple vulnerabilities (12 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — media-libs/leptonica — multiple vulnerabilities (12 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202312-01 Related CVEs: CVE-2017-18196 CVE-2018-7186 CVE-2018-7247 CVE-2018-7440 CVE-2018-7441 CVE-2018-7442 CVE-2022-38266 CVE-2020-36277  +4 more Upstream summary: Multiple vulnerabilities have been discovered in Leptonica. Please review the CVE identifiers referenced below for details. Table […]

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Common Problems 120609

Debian 11 DHCP Lease Not Renewing on Servers

🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: Debian 11 📖 ~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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IBM AIX 7.3 — CVE-1999-1121 — vulnerability — patch and remediation guide — diagnosis and fix on IBM AIX 7.3

IBM AIX 7.3 — CVE-1999-1121 — vulnerability — patch and remediation guide

🟠 High   ⏱ 30–90 min  Last verified: 25 May 2026 Affected versions: IBM AIX 7.3 📖 ~4 min read  •  Source: NVD CVE-1999-1121, IBM PSIRT advisory page CVE: CVE-1999-1121 NVD summary: The default configuration for UUCP in AIX before 3.2 allows local users to gain root privileges. References: www.cert.org/advisories/CA-1992-06.html   www.osvdb.org/891   www.securityfocus.com/bid/38 Table […]

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IBM AIX 7.3 — CVE-1999-0048 — vulnerability — patch and remediation guide — diagnosis and fix on IBM AIX 7.3

IBM AIX 7.3 — CVE-1999-0048 — vulnerability — patch and remediation guide

🟠 High   ⏱ 30–90 min  Last verified: 25 May 2026 Affected versions: IBM AIX 7.3 📖 ~4 min read  •  Source: NVD CVE-1999-0048, IBM PSIRT advisory page CVE: CVE-1999-0048 NVD summary: Talkd, when given corrupt DNS information, can be used to execute arbitrary commands with root privileges. References: sunsolve.sun.com/pub-cgi/retrieve.pl?doctype=col   sunsolve.sun.com/pub-cgi/retrieve.pl?doctype=col Table of contents […]

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