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FreeBSD 13 — prosody — multiple vulnerabilities (14 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — prosody — multiple vulnerabilities (14 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 9 May 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Prosody XMPP server advisory 2026-04-29 Related CVEs: CVE-2016-0756 CVE-2016-1231 CVE-2016-1232 CVE-2021-32917 CVE-2021-32918 CVE-2021-32919 CVE-2021-32920 CVE-2021-32921  +6 more Upstream summary: The Prosody team reports: Traffic patterns were discovered which can cause […]

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Ubuntu 20.04 — zoneminder — multiple vulnerabilities (13 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — zoneminder — multiple vulnerabilities (13 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 9 May 2021 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5889-1 Related CVEs: CVE-2019-6777 CVE-2019-6990 CVE-2019-6991 CVE-2019-6992 CVE-2019-7325 CVE-2019-7326 CVE-2019-7327 CVE-2019-7328  +5 more Upstream summary: It was discovered that ZoneMinder was not properly sanitizing URL parameters for certain views. An […]

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Amazon Linux 2 — mc — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — mc — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2023-2147 Related CVEs: CVE-2021-36370 Upstream summary: An issue was discovered in Midnight Commander through 4.8.26. When establishing an SFTP connection, the fingerprint of the server is neither checked nor displayed. […]

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Oracle Linux 8 — sudo security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — sudo security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2020-1804)

🟡 Medium   ⏱ 10–30 min  Last verified: 8 May 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-1804 Related CVEs: CVE-2019-19232 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 115468

RHEL 7 service httpd Fails with Permission Denied on Logs

🟡 Medium   ⏱ 5–30 min  Last verified: 8 May 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 — py39-nicotine-plus — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — py39-nicotine-plus — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 8 May 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: py-nicotine-plus — Denial of service vulnerability Related CVEs: CVE-2021-45848 Upstream summary: ztauras reports: Denial of service (DoS) vulnerability in Nicotine+ starting with version 3.0.3 and prior to version 3.2.1 allows […]

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