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Ubuntu 24.04 — perl — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — perl — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 10 January 2026 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7678-1 Related CVEs: CVE-2025-40909 CVE-2024-56406 Upstream summary: It was discovered that Perl threads incorrectly handled certain file operations. A local attacker could possibly use this issue to load code or […]

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Ubuntu 16.04 — undertow — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — undertow — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 10 January 2026 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8144-1 Related CVEs: CVE-2025-12543 Upstream summary: It was discovered that Undertow incorrectly validated the Host header in incoming HTTP requests. A remote attacker could possibly use this issue to gain […]

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Windows Server 2016 — KB5066874 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2016

Windows Server 2016 — KB5066874 — 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 KB5066874 • MSRC update-guide entry Related CVEs: CVE-2016-9535 CVE-2025-24990 CVE-2025-24052 CVE-2025-55335 CVE-2025-55700 CVE-2025-55701 CVE-2025-58717 CVE-2025-58735  +12 more Affected components: Windows Server 2016 Microsoft summary: tif_predict.h and tif_predict.c in libtiff 4.0.6 have assertions […]

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

SLES 16 — zstd — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 5–30 min  Last verified: 10 January 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2019:1845-1 (see also SUSE bugzilla) Related CVEs: CVE-2019-11922 Upstream summary: A race condition in the one-pass compression functions of Zstandard prior to version 1.3.8 could allow an attacker to write bytes out […]

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SLES 16 — libXxf86vm1 — vulnerability — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — libXxf86vm1 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 10 January 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2013:1103-1 (see also SUSE bugzilla) Related CVEs: CVE-2013-2001 Upstream summary: Buffer overflow in X.org libXxf86vm 1.1.2 and earlier allows X servers to cause a denial of service (crash) and possibly execute arbitrary […]

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Windows Server 2016 — KB5068904 — multiple vulnerabilities (15 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2016

Windows Server 2016 — KB5068904 — multiple vulnerabilities (15 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2016 📖 ~4 min read  •  Source: Microsoft KB5068904 • MSRC update-guide entry Related CVEs: CVE-2025-60724 CVE-2025-64678 CVE-2025-59513 CVE-2025-60703 CVE-2025-60704 CVE-2025-60705 CVE-2025-60709 CVE-2025-60719  +7 more Affected components: Windows Server 2016 Microsoft summary: Heap-based buffer overflow in Microsoft Graphics Component allows […]

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SLES 12 — pam_pkcs11 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — pam_pkcs11 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 10 January 2026 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2025:0688-1 (see also SUSE bugzilla) Related CVEs: CVE-2025-24031 CVE-2025-24032 Upstream summary: PAM-PKCS#11 is a Linux-PAM login module that allows a X.509 certificate based user login. In versions 0.6.12 and prior, the pam_pkcs11 […]

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

SLES 16 — xrdb — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 10 January 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-SA:2011:016 (see also SUSE bugzilla) Related CVEs: CVE-2011-0465 Upstream summary: xrdb.c in xrdb before 1.0.9 in X.Org X11R7.6 and earlier allows remote attackers to execute arbitrary commands via shell metacharacters in a […]

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Fedora 42 — PackageKit — vulnerability — patch and remediation guide — diagnosis and fix on Fedora 42

Fedora 42 — PackageKit — vulnerability — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Fedora 42 📖 ~4 min read  •  Source: Fedora update FEDORA-2026-41926fe792 Upstream summary: Backport fix for race condition leading to root compromise (GHSA-f55j-vvr9-69xv) Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary […]

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SLES 16 — rsync — multiple vulnerabilities (16 CVEs) — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — rsync — multiple vulnerabilities (16 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 10 January 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2025:0118-1 (see also SUSE bugzilla) Related CVEs: CVE-2024-12084 CVE-2020-14387 CVE-2022-29154 CVE-2024-12087 CVE-2007-4091 CVE-2007-6199 CVE-2011-1097 CVE-2014-2855  +8 more Upstream summary: A heap-based buffer overflow flaw was found in the rsync daemon. This issue […]

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