Common Problems

AlmaLinux 8 — xorg-x11-server-Xwayland — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — xorg-x11-server-Xwayland — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • April 4, 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-2026:11656 Related CVEs: CVE-2026-33999 CVE-2026-34001 CVE-2026-34003 CVE-2025-49175 CVE-2025-49176 CVE-2025-49178 CVE-2025-49179 CVE-2025-49180  +12 more Upstream summary: Xwayland is an X server for running X clients under Wayland. Security Fix(es): * xorg: xwayland: X.Org […]

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CentOS Stream 9 — pcs — multiple vulnerabilities (19 CVEs) — patch and remediation guide — diagnosis and fix on CentOS Stream 9

CentOS Stream 9 — pcs — multiple vulnerabilities (19 CVEs) — patch and remediation guide

  • April 4, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 4 April 2026 Affected versions: CentOS Stream 9 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2026:10710 Related CVEs: CVE-2026-4800 CVE-2025-13465 CVE-2025-59830 CVE-2025-61770 CVE-2025-61771 CVE-2025-61772 CVE-2025-61919 CVE-2023-2319  +11 more Upstream summary: The pcs packages provide a command-line configuration system for the Pacemaker and Corosync utilities. Security Fix(es): […]

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CentOS Stream 9 — openexr — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on CentOS Stream 9

CentOS Stream 9 — openexr — multiple vulnerabilities (3 CVEs) — patch and remediation guide

  • April 4, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 4 April 2026 Affected versions: CentOS Stream 9 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2026:15887 Related CVEs: CVE-2026-34588 CVE-2026-27622 CVE-2023-5841 Upstream summary: OpenEXR is an open-source high-dynamic-range floating-point image file format for high-quality image processing and storage. This document presents a brief overview of OpenEXR […]

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

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

  • April 4, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Rocky Linux 8 📖 ~4 min read  •  Source: Rocky Linux RXSA RLSA-2026:11521 Related CVEs: CVE-2026-35535 Upstream summary: The sudo packages contain the sudo utility which allows system administrators to provide certain users with the permission to execute privileged commands, which are […]

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AlmaLinux 8 — libtiff — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — libtiff — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • April 4, 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-2026:16055 Related CVEs: CVE-2026-4775 CVE-2025-8176 CVE-2025-9900 CVE-2017-17095 CVE-2024-7006 CVE-2018-15209 CVE-2023-25433 CVE-2023-52356  +12 more Upstream summary: The libtiff packages contain a library of functions for manipulating Tagged Image File Format (TIFF) files. Security […]

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CentOS Stream 10 — python3.12 — multiple vulnerabilities (16 CVEs) — patch and remediation guide — diagnosis and fix on CentOS Stream 10

CentOS Stream 10 — python3.12 — multiple vulnerabilities (16 CVEs) — patch and remediation guide

  • April 4, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 4 April 2026 Affected versions: CentOS Stream 10 📖 ~4 min read  •  Source: AlmaLinux/RHEL advisory ALSA-2026:10711 Related CVEs: CVE-2026-4786 CVE-2026-6100 CVE-2026-4519 CVE-2024-12718 CVE-2025-4138 CVE-2025-4330 CVE-2025-4435 CVE-2025-4517  +8 more Upstream summary: Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level […]

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FreeBSD 15 — openvpn — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — openvpn — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • April 4, 2026
  • BSD
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🟠 High   ⏱ 15–60 min  Last verified: 4 April 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: OpenVPN — server DOS and data leak in TLS handshake vulnerabilities Related CVEs: CVE-2005-2531 CVE-2005-2532 CVE-2005-2533 CVE-2005-2534 CVE-2005-3393 CVE-2005-3409 CVE-2006-1629 CVE-2013-2061  +12 more Upstream summary: Gert Doering reports: [Security fixes […]

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Amazon Linux 2023 — rust-cargo-c — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2023

Amazon Linux 2023 — rust-cargo-c — multiple vulnerabilities (6 CVEs) — patch and remediation guide

  • April 3, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2023 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2023-2026-1566 Related CVEs: CVE-2025-62518 CVE-2026-33055 CVE-2026-33056 CVE-2026-0810 CVE-2026-25727 CVE-2025-58160 Upstream summary: tar-rs is a tar archive reading/writing library for Rust. Versions 0.4.44 and below have conditional logic that skips the […]

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Common Problems 121973

Service Fails to Start Due to rc.conf Typo

🟡 Medium   ⏱ 5–30 min  Last verified: 3 April 2026 Affected versions: FreeBSD 15 📖 ~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 15 — dcraw — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 15

FreeBSD 15 — dcraw — vulnerability — patch and remediation guide

  • April 3, 2026
  • BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 3 April 2026 Affected versions: FreeBSD 15 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: dcraw — integer overflow condition Related CVEs: CVE-2015-3885 Upstream summary: ocert reports: The dcraw tool, as well as several other projects re-using its code, suffers from an integer overflow condition […]

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