Common Problems

Debian 12 — network-manager — multiple vulnerabilities (13 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — network-manager — multiple vulnerabilities (13 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 5 December 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2006-7246 CVE-2009-0365 CVE-2011-2176 CVE-2012-2736 CVE-2015-0272 CVE-2015-2924 CVE-2016-0764 CVE-2018-1000135  +5 more Upstream summary: NetworkManager 0.9.x does not pin a certificate's subject to an ESSID when 802.11X authentication is used. […]

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openSUSE Leap 15.5 — python3-requests — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.5

openSUSE Leap 15.5 — python3-requests — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.5 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2023:2518-1 (see also SUSE bugzilla) Related CVEs: CVE-2023-32681 Upstream summary: Requests is a HTTP library. Since Requests 2.3.0, Requests has been leaking Proxy-Authorization headers to destination servers when redirected to an […]

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Ubuntu 20.04 — webkit2gtk — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — webkit2gtk — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 5 December 2023 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6061-1 Related CVEs: CVE-2022-0108 CVE-2022-32885 CVE-2023-25358 CVE-2023-27932 CVE-2023-27954 CVE-2023-28205 CVE-2023-23529 CVE-2022-42826  +12 more Upstream summary: Several security issues were discovered in the WebKitGTK Web and JavaScript engines. If a user […]

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Ubuntu 22.04 — liblouis — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — liblouis — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 5 December 2023 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5996-1 Related CVEs: CVE-2023-26767 CVE-2023-26768 CVE-2023-26769 CVE-2022-26981 CVE-2022-31783 Upstream summary: It was discovered that Liblouis incorrectly handled certain files. An attacker could possibly use this issue to cause a denial […]

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openSUSE Leap 15.5 — python3-dnspython — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.5

openSUSE Leap 15.5 — python3-dnspython — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.5 📖 ~4 min read  •  Source: SUSE advisory RHSA-2024:9423 (see also SUSE bugzilla) Related CVEs: CVE-2023-29483 Upstream summary: eventlet before 0.35.2, as used in dnspython before 2.6.0, allows remote attackers to interfere with DNS name resolution by quickly sending […]

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Oracle Linux 9 — java-17-openjdk — security and stability fixes — required update — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — java-17-openjdk — security and stability fixes — required update (ELSA-2023-1879)

🟠 High   ⏱ 15–60 min  Last verified: 4 December 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-1879 Related CVEs: CVE-2023-21967 CVE-2023-21930 CVE-2023-21954 CVE-2023-21937 CVE-2023-21938 CVE-2023-21939 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Common Problems 121518

Kernel Panic After Unattended Upgrade

🔴 Critical   ⏱ 5–30 min  Last verified: 4 December 2023 Affected versions: Debian 9 📖 ~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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FreeBSD 14 — openoffice.org — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 14

FreeBSD 14 — openoffice.org — multiple vulnerabilities (9 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 4 December 2023 Affected versions: FreeBSD 14 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: openoffice.org — Multiple vulnerabilities Related CVEs: CVE-2006-4339 CVE-2008-2237 CVE-2008-2238 CVE-2009-0217 CVE-2009-2493 CVE-2009-2949 CVE-2009-2950 CVE-2009-3301  +1 more Upstream summary: OpenOffice.org Security Team reports: Fixed in OpenOffice.org 3.3 CVE-2010-2935 / CVE-2010-2936 : […]

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AlmaLinux 9 — libqb — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 9

AlmaLinux 9 — libqb — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 9 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2023:6578 Related CVEs: CVE-2023-39976 Upstream summary: The libqb packages provide a library with the primary purpose of providing high performance client/server reusable features, such as high performance logging, tracing, inter-process communication, and […]

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Common Problems 120041

Debian 12 – sudo Stops Working Due to Broken Permissions – Emergency Repair

🔴 Critical   ⏱ 5–30 min  Last verified: 4 December 2023 Affected versions: Debian 12 📖 ~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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