Troubleshooting

Gentoo Linux — net-mail/dovecot — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — net-mail/dovecot — multiple vulnerabilities (8 CVEs) — patch and remediation guide

  • May 25, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202310-19 Related CVEs: CVE-2022-30550 CVE-2020-24386 CVE-2020-25275 CVE-2020-12100 CVE-2020-12673 CVE-2020-12674 CVE-2021-29157 CVE-2021-33515 Upstream summary: A vulnerability has been discovered in Dovecot. Please review the CVE identifier referenced below for details. Table of contents […]

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Rocky Linux 8 — opencryptoki — vulnerability — patch and remediation guide — diagnosis and fix on Rocky Linux 8

Rocky Linux 8 — opencryptoki — vulnerability — patch and remediation guide

  • May 25, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Rocky Linux 8 📖 ~4 min read  •  Source: Rocky Linux RXSA RLSA-2026:5587 Related CVEs: CVE-2026-23893 Upstream summary: The opencryptoki packages contain version 2.11 of the PKCS#11 API, implemented for IBM Cryptocards, such as IBM 4764 and 4765 crypto cards. These packages […]

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Arch Linux — swtpm — vulnerability — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — swtpm — vulnerability — patch and remediation guide

  • May 25, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-202011-21 Related CVEs: CVE-2020-28407 Upstream summary: Type: privilege escalation. Status: Fixed. Affected: 0.5.0-2. Fixed in: 0.5.1-1. Group: AVG-1282. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis […]

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Alpine Linux 3.18 — gptfdisk — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.18

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

  • May 25, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.18 / fixed in 1.0.6-r0 📖 ~4 min read  •  Source: Alpine secdb entry — gptfdisk 1.0.6-r0 Related CVEs: CVE-2021-0308 CVE-2020-0256 Upstream summary: Alpine main repository for vv3.18 ships gptfdisk 1.0.6-r0 which addresses CVE-2021-0308. Table of contents Symptom & Impact […]

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Windows Server 2016 — KB5034831 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2016

Windows Server 2016 — KB5034831 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2016 📖 ~4 min read  •  Source: Microsoft KB5034831 • MSRC update-guide entry Related CVEs: CVE-2024-21357 CVE-2024-21340 CVE-2024-21349 CVE-2024-21350 CVE-2024-21352 CVE-2024-21354 CVE-2024-21358 CVE-2024-21360  +12 more Affected components: Windows Server 2016 Windows Server 2016 (Server Core installation) Table of contents Symptom […]

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openSUSE Leap 15.5 — tpm2 — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.5

openSUSE Leap 15.5 — tpm2 — vulnerability — patch and remediation guide

  • May 25, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.5 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2024:1605-1 (see also SUSE bugzilla) Related CVEs: CVE-2024-29040 Upstream summary: This repository hosts source code implementing the Trusted Computing Group's (TCG) TPM2 Software Stack (TSS). The JSON Quote Info returned by […]

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NetBSD 9.4 — fwknop — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — fwknop — vulnerability — patch and remediation guide

  • May 25, 2026
  • 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-2012-4434 Upstream summary: pkgsrc audit-packages flagged fwknop<2.0.3 for vulnerability class 'arbitrary-code-execution'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2012-4434 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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Red Hat Enterprise Linux 10 — xorg-x11-server-Xwayland — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Red Hat Enterprise Linux 10

Red Hat Enterprise Linux 10 — xorg-x11-server-Xwayland — multiple vulnerabilities (3 CVEs) — patch and remediation guide

  • May 25, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Red Hat Enterprise Linux 10 📖 ~4 min read  •  Source: Red Hat advisory RHSA RHSA-2026:19125 Related CVEs: CVE-2026-33999 CVE-2026-34001 CVE-2026-34003 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution […]

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AlmaLinux 8 — objectweb-pom — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — objectweb-pom — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • May 25, 2026
  • 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-2025:9318 Related CVEs: CVE-2019-10086 CVE-2025-48734 Upstream summary: The javapackages-tools packages provide macros and scripts to support Java packaging. Security Fix(es): * apache-commons-beanutils: does not suppresses the class property in PropertyUtilsBean by default […]

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Amazon Linux 2 — systemd — multiple vulnerabilities (17 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — systemd — multiple vulnerabilities (17 CVEs) — patch and remediation guide

  • May 25, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2023-2004 Related CVEs: CVE-2023-26604 CVE-2019-3842 CVE-2020-13529 CVE-2020-13776 CVE-2022-2526 CVE-2019-6454 CVE-2018-15688 CVE-2018-16864  +9 more Upstream summary: systemd before 247 does not adequately block local privilege escalation for some Sudo configurations, e.g., […]

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