Common Problems

SLES 12 — ctdb — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — ctdb — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2025:03603-1 (see also SUSE bugzilla) Related CVEs: CVE-2025-10230 CVE-2020-1472 CVE-2021-44142 CVE-2009-1886 CVE-2023-34966 CVE-2021-20251 CVE-2022-37966 CVE-2022-38023  +12 more Upstream summary: A flaw was found in Samba, in the front-end WINS hook handling: NetBIOS […]

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Common Problems 118922

Ubuntu 14.04 LTS apt-get update fails with NO_PUBKEY errors

🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: 14.04 14.04.6 📖 ~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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CentOS Stream 10 — nfs-utils — vulnerability — patch and remediation guide — diagnosis and fix on CentOS Stream 10

CentOS Stream 10 — nfs-utils — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: CentOS Stream 10 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2026:3939 Related CVEs: CVE-2025-12801 Upstream summary: The nfs-utils packages provide a daemon for the kernel Network File System (NFS) server and related tools, which provides better performance than the traditional Linux […]

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Debian 13 — ffmpeg — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — ffmpeg — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2005-4048 CVE-2006-4800 CVE-2008-3162 CVE-2008-3230 CVE-2008-4610 CVE-2008-4866 CVE-2008-4867 CVE-2009-0385  +12 more Upstream summary: Heap-based buffer overflow in the avcodec_default_get_buffer function (utils.c) in FFmpeg libavcodec 0.4.9-pre1 and earlier, as used […]

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CentOS Stream 9 — mariadb — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on CentOS Stream 9

CentOS Stream 9 — mariadb — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: CentOS Stream 9 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2026:0247 Related CVEs: CVE-2023-52969 CVE-2023-52970 CVE-2023-52971 CVE-2025-13699 CVE-2025-21490 CVE-2025-30693 CVE-2025-30722 CVE-2022-32081  +12 more Upstream summary: MariaDB is a multi-user, multi-threaded SQL database server that is binary compatible with MySQL. Security Fix(es): […]

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Debian 12 — xen — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — xen — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2010-2938 CVE-2010-4255 CVE-2011-1166 CVE-2011-1583 CVE-2011-1898 CVE-2011-3131 CVE-2011-3262 CVE-2011-4111  +12 more Upstream summary: arch/x86/hvm/vmx/vmcs.c in the virtual-machine control structure (VMCS) implementation in the Linux kernel 2.6.18 on Red Hat […]

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

Debian 11 — imagemagick — 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-2003-0455 CVE-2004-0827 CVE-2004-0981 CVE-2005-0005 CVE-2005-0397 CVE-2005-0406 CVE-2005-0759 CVE-2005-0760  +12 more Upstream summary: The imagemagick libmagick library 5.5 and earlier creates temporary files insecurely, which allows local users to […]

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Debian 10 — xen — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — xen — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-17349 CVE-2020-11739 CVE-2020-25595 CVE-2020-27670 CVE-2020-29479 CVE-2021-0089 CVE-2021-26933 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution […]

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