2021 - Page 192 of 759

Debian 11 — pngcrush — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — pngcrush — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 3 October 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2015-7700 Upstream summary: Double-free vulnerability in the sPLT chunk structure and png.c in pngcrush before 1.7.87 allows attackers to have unspecified impact via unknown vectors. Table of contents […]

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Ubuntu 20.04 — ldns — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — ldns — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 3 October 2021 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5257-2 Related CVEs: CVE-2020-19860 CVE-2020-19861 Upstream summary: USN-5257-1 fixed several vulnerabilities in ldns. This update provides the corresponding update for Ubuntu 20.04 ESM and Ubuntu 22.04 ESM. Original advisory details: […]

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FreeBSD 13 — phpmyadmin — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — phpmyadmin — multiple vulnerabilities (20 CVEs) — patch and remediation guide (PATCH-REMEDIATION-2)

🟠 High   ⏱ 15–60 min  Last verified: 3 October 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: phpmyadmin — multiple vulnerabilities Related CVEs: CVE-2005-0543 CVE-2005-0544 CVE-2005-0567 CVE-2005-0653 CVE-2005-0992 CVE-2007-6100 CVE-2016-1927 CVE-2016-2038  +12 more Upstream summary: the phpmyadmin team reports: This security fix is part of an ongoing […]

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FreeBSD 13 — wireshark-lite — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — wireshark-lite — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 3 October 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: wireshark — multiple security issues Related CVEs: CVE-2007-3389 CVE-2007-3390 CVE-2007-3391 CVE-2007-3392 CVE-2007-3393 CVE-2007-6112 CVE-2007-6113 CVE-2007-6114  +12 more Upstream summary: wireshark developers reports: wnpa-sec-2018-05. IEEE 802.11 dissector crash. (CVE-2018-7335) wnpa-sec-2018-06. Large […]

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Gentoo Linux — net-mail/mailutils — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — net-mail/mailutils — multiple vulnerabilities (2 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-202310-13 Related CVEs: CVE-2021-32749 CVE-2019-18862 Upstream summary: A vulnerability has been discovered in GNU Mailutils. Please review the CVE identifier referenced below for details. Table of contents Symptom & Impact Environment & […]

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How to Install Ansible on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Install Ansible on RHEL 7

How to Install Ansible on RHEL 7 Ansible is an agentless automation platform that lets you manage servers, deploy applications, and orchestrate complex workflows using simple YAML-based playbooks. Unlike other configuration management tools, Ansible requires no daemon or database on managed nodes — it connects over SSH and executes tasks on demand. On Red Hat […]

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Common Problems 115469

RHEL 7 SSH login denied due to key permissions and SELinux context

🟠 High   ⏱ 5–30 min  Last verified: 3 October 2021 Affected versions: RHEL 7 📖 ~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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Oracle Linux 8 — virt-manager security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — virt-manager security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2019-3464)

🟢 Low   ⏱ 5–15 min  Last verified: 2 October 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2019-3464 Related CVEs: CVE-2019-10183 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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Common Problems 115138

Cockpit Web Console Unreachable on Port 9090 – RHEL 8 Post 169

🟡 Medium   ⏱ 5–30 min  Last verified: 2 October 2021 📖 ~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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FreeBSD 13 — apache+mod_ssl+mod_deflate — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — apache+mod_ssl+mod_deflate — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 2 October 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: apache — Prevent chunk-size integer overflow on platforms where sizeof(int) < sizeof(long) Related CVEs: CVE-2005-2088 CVE-2005-3352 CVE-2006-3747 Upstream summary: Apache ChangeLog reports: Integer overflow in the ap_proxy_send_fb function in proxy/proxy_util.c […]

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