Security Hardening

AlmaLinux 9 — ghostscript — multiple vulnerabilities (15 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 9

AlmaLinux 9 — ghostscript — multiple vulnerabilities (15 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 9 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2024:3999 Related CVEs: CVE-2024-33871 CVE-2023-43115 CVE-2023-36664 CVE-2025-27832 CVE-2023-46751 CVE-2024-46951 CVE-2024-46952 CVE-2024-46953  +7 more Upstream summary: The Ghostscript suite contains utilities for rendering PostScript and PDF documents. Ghostscript translates PostScript code to common […]

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FreeBSD 14 — libgcrypt — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 14

FreeBSD 14 — libgcrypt — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 23 March 2025 Affected versions: FreeBSD 14 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: libgcrypt — ECDSA timing attack Related CVEs: CVE-2013-4242 CVE-2015-7511 CVE-2016-6313 CVE-2017-0379 CVE-2017-7526 CVE-2018-0495 CVE-2019-13627 Upstream summary: GnuPG reports: Mitigate an ECDSA timing attack. Table of contents Symptom & Impact Environment […]

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NetBSD 10.0 — at-spi2-atk — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 10.0

NetBSD 10.0 — at-spi2-atk — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: NetBSD 10.0 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2012-3378 Upstream summary: pkgsrc audit-packages flagged at-spi2-atk<2.5.3 for vulnerability class 'arbitrary-code-execution'. Reference: https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2012-3378 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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FreeBSD 14 — nsd — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 14

FreeBSD 14 — nsd — multiple vulnerabilities (9 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 23 March 2025 Affected versions: FreeBSD 14 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Unbound/NSD — Denial of service vulnerability Related CVEs: CVE-2009-1755 CVE-2012-2978 CVE-2012-2979 CVE-2016-6170 CVE-2016-6171 CVE-2016-6172 CVE-2016-6173 CVE-2019-13207  +1 more Upstream summary: NLNetLabs reports: Unbound and NSD when writing the PID file […]

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

NetBSD 9.4 — py-starlette — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2025-54121 CVE-2025-62727 Upstream summary: pkgsrc audit-packages flagged py{27,39,310,311,312,313}-starlette<0.47.2 for vulnerability class 'denial-of-service'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2025-54121 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step […]

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Windows Server 2025 — KB5058497 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2025

Windows Server 2025 — KB5058497 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2025 📖 ~4 min read  •  Source: Microsoft KB5058497 • MSRC update-guide entry Related CVEs: CVE-2025-32710 CVE-2025-29966 CVE-2025-29967 CVE-2025-29833 CVE-2024-49128 CVE-2025-47955 CVE-2025-47969 CVE-2025-29959  +12 more Affected components: Windows Server 2025 Microsoft summary: Use after free in Windows Remote Desktop Services […]

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Debian 11 — fluidsynth — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — fluidsynth — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 23 March 2025 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-21417 CVE-2025-56225 Upstream summary: fluidsynth is a software synthesizer based on the SoundFont 2 specifications. A use after free violation was discovered in fluidsynth, that can be triggered […]

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Rocky Linux 8 — php-pecl-xdebug — multiple vulnerabilities (19 CVEs) — patch and remediation guide — diagnosis and fix on Rocky Linux 8

Rocky Linux 8 — php-pecl-xdebug — multiple vulnerabilities (19 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Rocky Linux 8 📖 ~4 min read  •  Source: Rocky Linux RXSA RLSA-2026:2470 Related CVEs: CVE-2024-11233 CVE-2024-11234 CVE-2024-8929 CVE-2025-1217 CVE-2025-1219 CVE-2025-1220 CVE-2025-14177 CVE-2025-14178  +11 more Upstream summary: PHP is an HTML-embedded scripting language commonly used with the Apache HTTP Server. Security Fix(es): […]

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Ubuntu 20.04 — intel-microcode — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — intel-microcode — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 23 March 2025 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8068-1 Related CVEs: CVE-2025-31648 CVE-2025-20053 CVE-2025-22839 CVE-2025-22840 CVE-2025-20109 CVE-2025-24305 CVE-2025-26403 CVE-2025-21090  +12 more Upstream summary: Sergiu Ghetie discovered that some Intel® processors did not properly handle values in the microcode […]

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Windows Server 2022 — KB5068966 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2022

Windows Server 2022 — KB5068966 — 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 KB5068966 • MSRC update-guide entry Related CVEs: CVE-2025-60716 CVE-2025-60724 CVE-2025-64678 CVE-2025-59505 CVE-2025-59506 CVE-2025-59507 CVE-2025-59508 CVE-2025-59509  +12 more Affected components: Windows Server 2022 Windows Server 2022, 23H2 Edition (Server Core installation) Microsoft summary: […]

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