Common Problems

Windows Server 2022 — KB5055523 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2022

Windows Server 2022 — KB5055523 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2022 📖 ~4 min read  •  Source: Microsoft KB5055523 • MSRC update-guide entry Related CVEs: CVE-2025-26663 CVE-2025-26686 CVE-2025-26670 CVE-2025-27480 CVE-2025-27482 CVE-2025-27491 CVE-2023-40547 CVE-2025-26664  +12 more Affected components: Windows Server 2022 Windows Server 2022, 23H2 Edition (Server Core installation) Microsoft summary: […]

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Rocky Linux 9 — bind9.18 — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Rocky Linux 9

Rocky Linux 9 — bind9.18 — multiple vulnerabilities (4 CVEs) — patch and remediation guide

  • March 17, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Rocky Linux 9 📖 ~4 min read  •  Source: Rocky Linux RXSA RLSA-2026:7915 Related CVEs: CVE-2026-1519 CVE-2025-40778 CVE-2025-40780 CVE-2025-8677 Upstream summary: BIND (Berkeley Internet Name Domain) is an implementation of the DNS (Domain Name System) protocols. BIND includes a DNS server (named), […]

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Debian 13 — balsa — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — balsa — multiple vulnerabilities (4 CVEs) — patch and remediation guide

  • March 17, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 17 March 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2003-0167 CVE-2007-1558 CVE-2007-5007 CVE-2020-16118 Upstream summary: Multiple off-by-one buffer overflows in the IMAP capability for Mutt 1.3.28 and earlier, and Balsa 1.2.4 and earlier, allow a remote malicious […]

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Debian 13 — firejail — multiple vulnerabilities (18 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — firejail — multiple vulnerabilities (18 CVEs) — patch and remediation guide

  • March 17, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 17 March 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2016-10117 CVE-2016-10118 CVE-2016-10119 CVE-2016-10120 CVE-2016-10121 CVE-2016-10122 CVE-2016-10123 CVE-2016-9016  +10 more Upstream summary: Firejail does not restrict access to –tmpfs, which allows local users to gain privileges, as demonstrated […]

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Oracle Linux 10 — mysql-selinux and mysql8.4 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 10

Oracle Linux 10 — mysql-selinux and mysql8.4 — vulnerability — patch and remediation guide (ELSA-2025-15699)

  • March 17, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 17 March 2026 Affected versions: Oracle Linux 10 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-15699 Related CVEs: CVE-2025-21574 CVE-2024-13176 CVE-2025-21575 CVE-2025-21585 CVE-2025-30683 CVE-2025-30684 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Alpine Linux 3.20 — valkey — multiple vulnerabilities (16 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.20

Alpine Linux 3.20 — valkey — multiple vulnerabilities (16 CVEs) — patch and remediation guide

  • March 17, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.20 / fixed in 7.2.9-r1 📖 ~4 min read  •  Source: Alpine secdb entry — valkey 7.2.9-r1 Related CVEs: CVE-2025-27151 CVE-2025-21605 CVE-2024-46981 CVE-2024-51741 CVE-2024-31227 CVE-2024-31228 CVE-2024-31449 CVE-2026-23479  +8 more Upstream summary: Alpine main repository for vv3.20 ships valkey 7.2.9-r1 which […]

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Debian 11 — pcmanfm-qt — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — pcmanfm-qt — vulnerability — patch and remediation guide

  • March 17, 2026
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 17 March 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2026-48700 Upstream summary: An issue was discovered in all versions of PCManFM-Qt starting from 1.1.0. When a regular file's path is passed as a URI in an org.freedesktop.FileManager1.ShowFolders […]

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Debian 13 — opusfile — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — opusfile — vulnerability — patch and remediation guide

  • March 17, 2026
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 17 March 2026 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-47021 Upstream summary: A null pointer dereference issue was discovered in functions op_get_data and op_open1 in opusfile.c in xiph opusfile 0.9 thru 0.12 allows attackers to cause denial of […]

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Alpine Linux 3.20 — cups — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.20

Alpine Linux 3.20 — cups — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • March 17, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.20 / fixed in 2.4.9-r1 📖 ~4 min read  •  Source: Alpine secdb entry — cups 2.4.9-r1 Related CVEs: CVE-2024-47175 CVE-2024-35235 CVE-2023-4504 CVE-2023-32324 CVE-2022-26691 CVE-2026-27447 CVE-2026-34978 CVE-2026-34979  +12 more Upstream summary: Alpine main repository for vv3.20 ships cups 2.4.9-r1 which […]

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Debian 13 — coin3 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — coin3 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • March 17, 2026
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 17 March 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2009-3560 CVE-2009-3720 Upstream summary: The big2_toUtf8 function in lib/xmltok.c in libexpat in Expat 2.0.1, as used in the XML-Twig module for Perl, allows context-dependent attackers to cause a […]

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