Common Problems

Debian 11 — mathtex — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — mathtex — multiple vulnerabilities (9 CVEs) — patch and remediation guide

  • June 24, 2023
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 24 June 2023 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2009-1383 CVE-2009-2460 CVE-2009-2461 CVE-2023-51885 CVE-2023-51886 CVE-2023-51887 CVE-2023-51888 CVE-2023-51889  +1 more Upstream summary: The getdirective function in mathtex.cgi in mathTeX, when downloaded before 20090713, allows remote attackers to execute […]

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AlmaLinux 8 — libwebp — multiple vulnerabilities (10 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — libwebp — multiple vulnerabilities (10 CVEs) — patch and remediation guide

  • June 24, 2023
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2023:5309 Related CVEs: CVE-2023-4863 CVE-2023-1999 CVE-2018-25009 CVE-2018-25010 CVE-2018-25012 CVE-2018-25013 CVE-2018-25014 CVE-2020-36330  +2 more Upstream summary: The libwebp packages provide a library and tools for the WebP graphics format. WebP is an image […]

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Ubuntu 22.04 — glusterfs — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — glusterfs — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • June 24, 2023
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 24 June 2023 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6507-1 Related CVEs: CVE-2022-48340 CVE-2023-26253 Upstream summary: It was discovered that GlusterFS incorrectly handled certain memory operations. A remote attacker could possibly use this issue to cause GlusterFS to crash, […]

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Windows Server 2019 — KB5033464 — multiple vulnerabilities (18 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2019

Windows Server 2019 — KB5033464 — multiple vulnerabilities (18 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2019 📖 ~4 min read  •  Source: Microsoft KB5033464 • MSRC update-guide entry Related CVEs: CVE-2023-35641 CVE-2023-35628 CVE-2023-35630 CVE-2023-36696 CVE-2023-36011 CVE-2023-21740 CVE-2023-20588 CVE-2023-36012  +10 more Affected components: Windows Server 2019 (Server Core installation) Table of contents Symptom & Impact Environment […]

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Ubuntu 22.04 — accountsservice — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — accountsservice — multiple vulnerabilities (3 CVEs) — patch and remediation guide

  • June 24, 2023
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 24 June 2023 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6687-1 Related CVEs: CVE-2012-6655 CVE-2023-3297 CVE-2022-1804 Upstream summary: It was discovered that AccountsService called a helper incorrectly when performing password change operations. A local attacker could possibly use this issue […]

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Oracle Linux 8 — 389-ds:1.4 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — 389-ds:1.4 — vulnerability — patch and remediation guide (ELSA-2022-7133)

  • June 24, 2023
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 24 June 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-7133 Related CVEs: CVE-2022-2850 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 111817

Windows Server 2022 — Hyper-V live migration fails due to constrained delegation misconfig — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 24 June 2023 Affected versions: Windows Server 2022 📖 ~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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Alpine Linux 3.18 — recutils — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.18

Alpine Linux 3.18 — recutils — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • June 24, 2023
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.18 / fixed in 1.9-r0 📖 ~4 min read  •  Source: Alpine secdb entry — recutils 1.9-r0 Related CVEs: CVE-2021-46019 CVE-2021-46022 Upstream summary: Alpine community repository for vv3.18 ships recutils 1.9-r0 which addresses CVE-2021-46019. Table of contents Symptom & Impact […]

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Oracle Linux 8 — glibc — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — glibc — vulnerability — patch and remediation guide (ELSA-2022-9234)

  • June 24, 2023
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 24 June 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-9234 Related CVEs: CVE-2022-23219 CVE-2022-23218 CVE-2021-3999 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification […]

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NetBSD 9.4 — keystone — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — keystone — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • June 24, 2023
  • BSD
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2020-36405 CVE-2020-36404 Upstream summary: pkgsrc audit-packages flagged keystone-[0-9]* for vulnerability class 'use-after-free'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2020-36405 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step […]

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