Common Problems

FreeBSD 13 — py36-fail2ban — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — py36-fail2ban — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 5 May 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: fail2ban — possible RCE vulnerability in mailing action using mailutils Related CVEs: CVE-2021-32749 Upstream summary: Jakub Żoczek reports: Command mail from mailutils package used in mail actions like mail-whois can […]

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Common Problems 120575

Debian 11 SSH Public Key Authentication Fails

🟠 High   ⏱ 5–30 min  Last verified: 5 May 2022 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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AlmaLinux 8 — qt5-qtdoc — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — qt5-qtdoc — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2021:4172 Related CVEs: CVE-2021-3481 CVE-2018-19869 CVE-2018-19871 CVE-2018-19872 Upstream summary: Qt is a software toolkit for developing applications. The following packages have been upgraded to a later upstream version: adwaita-qt (1.2.1), python-qt5 (5.15.0), […]

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FreeBSD 13 — messagelib — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — messagelib — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 5 May 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: messagelib — HTML email can open browser window automatically Related CVEs: CVE-2018-19516 Upstream summary: Albert Astals Cid reports: messagelib is the library used by KMail to display emails. messagelib by […]

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FreeBSD 13 — win32-codecs — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — win32-codecs — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 5 May 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: win32-codecs — multiple vulnerabilities Related CVEs: CVE-2006-4381 CVE-2006-4382 CVE-2006-4384 CVE-2006-4385 CVE-2006-4386 CVE-2006-4388 CVE-2006-4389 Upstream summary: The Apple Security Team reports that there are multiple vulnerabilities within QuickTime (one of the […]

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FreeBSD 13 — nagios-devel — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — nagios-devel — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 5 May 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: nagios — Command Injection Vulnerability Related CVEs: CVE-2007-5803 CVE-2009-2288 Upstream summary: Secunia reports: A vulnerability has been reported in Nagios, which can be exploited by malicious users to potentially compromise […]

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Alpine Linux edge — mujs — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — mujs — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 1.3.0-r0 📖 ~4 min read  •  Source: Alpine secdb entry — mujs 1.3.0-r0 Related CVEs: CVE-2022-30974 CVE-2022-30975 Upstream summary: Alpine community repository for vedge ships mujs 1.3.0-r0 which addresses CVE-2022-30974. Table of contents Symptom & Impact […]

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FreeBSD 13 — ruby+oniguruma — multiple vulnerabilities (13 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — ruby+oniguruma — multiple vulnerabilities (13 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 5 May 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Multiple implementations — DoS via hash algorithm collision Related CVEs: CVE-2006-5467 CVE-2006-6303 CVE-2008-1447 CVE-2008-2726 CVE-2008-3655 CVE-2008-3656 CVE-2008-3905 CVE-2009-1904  +5 more Upstream summary: oCERT reports: A variety of programming languages suffer […]

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

Debian 11 — libzapojit — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 5 May 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-39360 Upstream summary: In GNOME libzapojit through 0.0.3, zpj-skydrive.c does not enable TLS certificate verification on the SoupSessionSync objects it creates, leaving users vulnerable to network MITM attacks. […]

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