Logging Monitoring

Windows Server 2025 — KB5074204 — security update — patch and remediation guide — diagnosis and fix on Windows Server 2025

Windows Server 2025 — KB5074204 — security update — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Windows Server 2025 📖 ~4 min read  •  Source: Microsoft KB5074204 • MSRC update-guide entry Related CVEs: CVE-2025-54100 Affected components: Windows Server 2025 Microsoft summary: Improper neutralization of special elements used in a command ('command injection') in Windows PowerShell allows an unauthorized […]

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Debian 13 — libnet-oauth-perl — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — libnet-oauth-perl — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 31 December 2025 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2025-22376 Upstream summary: In Net::OAuth::Client in the Net::OAuth package before 0.29 for Perl, the default nonce is a 32-bit integer generated from the built-in rand() function, which is not […]

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Debian 13 — klibc — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — klibc — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 31 December 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2011-1930 CVE-2021-31870 CVE-2021-31871 CVE-2021-31872 CVE-2021-31873 Upstream summary: In klibc 1.5.20 and 1.5.21, the DHCP options written by ipconfig to /tmp/net-$DEVICE.conf are not properly escaped. This may allow a […]

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

Debian 13 — jpegqs — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 31 December 2025 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-35434 Upstream summary: jpeg-quantsmooth before commit 8879454 contained a floating point exception (FPE) via /jpeg-quantsmooth/jpegqs+0x4f5d6c. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage […]

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

Debian 13 — pywebdav — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 31 December 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2011-0432 Upstream summary: Multiple SQL injection vulnerabilities in the get_userinfo method in the MySQLAuthHandler class in DAVServer/mysqlauth.py in PyWebDAV before 0.9.4.1 allow remote attackers to execute arbitrary SQL […]

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AlmaLinux 8 — perl-Sub-Exporter — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — perl-Sub-Exporter — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2026:8096 Related CVEs: CVE-2025-40909 CVE-2023-47038 Upstream summary: Perl is a high-level programming language that is commonly used for system administration utilities and web programming. Security Fix(es): * perl: Perl threads have a […]

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Ubuntu 24.04 — cifs-utils — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — cifs-utils — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 31 December 2025 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7536-2 Related CVEs: https://launchpad.net/bugs/2113906 https://launchpad.net/bugs/2112614 CVE-2025-2312 Upstream summary: USN-7536-1 fixed vulnerabilities in cifs-utils. This update introduced a regression in certain environments. This update fixes the problem. We apologize for the […]

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

Debian 13 — dar — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 31 December 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2007-3528 Upstream summary: The blowfish mode in DAR before 2.3.4 uses weak Blowfish-CBC cryptography by (1) discarding random bits by the blowfish::make_ivec function in libdar/crypto.cpp that results in […]

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SLES 16 — libXfixes3 — vulnerability — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — libXfixes3 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 31 December 2025 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2013:1097-1 (see also SUSE bugzilla) Related CVEs: CVE-2013-1983 Upstream summary: Integer overflow in X.org libXfixes 5.0 and earlier allows X servers to trigger allocation of insufficient memory and a buffer overflow via […]

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Common Problems 122652

ZFS Snapshot Growth Consumes Pool Capacity

🟠 High   ⏱ 5–30 min  Last verified: 31 December 2025 Affected versions: FreeBSD 14 📖 ~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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CHAT