Common Problems

Red Hat Enterprise Linux 9 — opencryptoki — vulnerability — patch and remediation guide — diagnosis and fix on Red Hat Enterprise Linux 9

Red Hat Enterprise Linux 9 — opencryptoki — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Red Hat Enterprise Linux 9 📖 ~4 min read  •  Source: Red Hat advisory RHSA RHSA-2026:6006 Related CVEs: CVE-2026-23893 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative […]

Read more
Ubuntu 22.04 — libwebsockets — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — libwebsockets — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 3 March 2026 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8024-1 Related CVEs: CVE-2025-11678 CVE-2025-11677 Upstream summary: Raffaele Bova discovered that Libwebsockets incorrectly handled memory when the upgrade header is not valid in the WebSocket server. An attacker could possibly […]

Read more
SLES 16 — python313-ujson — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — python313-ujson — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 3 March 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2023:2134-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-45958 CVE-2022-31116 CVE-2022-31117 Upstream summary: UltraJSON (aka ujson) through 5.1.0 has a stack-based buffer overflow in Buffer_AppendIndentUnchecked (called from encode). Exploitation can, for example, use […]

Read more
Windows Server 2019 — KB5066876 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2019

Windows Server 2019 — KB5066876 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2019 📖 ~4 min read  •  Source: Microsoft KB5066876 • 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-2025-58732  +12 more Affected components: Windows Server 2019 (Server Core installation) Microsoft summary: tif_predict.h and tif_predict.c in libtiff […]

Read more
Windows Server 2019 — KB5073457 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2019

Windows Server 2019 — KB5073457 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2019 📖 ~4 min read  •  Source: Microsoft KB5073457 • MSRC update-guide entry Related CVEs: CVE-2026-20822 CVE-2026-20962 CVE-2026-21265 CVE-2026-0386 CVE-2026-20804 CVE-2026-20805 CVE-2026-20809 CVE-2026-20812  +12 more Affected components: Windows Server 2019 (Server Core installation) Microsoft summary: Use after free in Microsoft […]

Read more
Oracle Linux 8 — openssl — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — openssl — vulnerability — patch and remediation guide (ELSA-2026-0337)

🟡 Medium   ⏱ 10–30 min  Last verified: 3 March 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2026-0337 Related CVEs: CVE-2025-9230 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

Read more
Oracle Linux 10 — java-21-openjdk — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 10

Oracle Linux 10 — java-21-openjdk — vulnerability — patch and remediation guide (ELSA-2025-18824)

🟡 Medium   ⏱ 10–30 min  Last verified: 3 March 2026 Affected versions: Oracle Linux 10 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-18824 Related CVEs: CVE-2025-53057 CVE-2025-53066 CVE-2025-61748 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification […]

Read more
Windows Server 2016 — KB5073695 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2016

Windows Server 2016 — KB5073695 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Windows Server 2016 📖 ~4 min read  •  Source: Microsoft KB5073695 • MSRC update-guide entry Related CVEs: CVE-2026-0386 CVE-2026-20816 CVE-2026-20820 CVE-2026-20821 CVE-2026-20828 CVE-2026-20831 CVE-2026-20833 CVE-2026-20834  +12 more Affected components: Windows Server 2016 Microsoft summary: Improper access control in Windows Deployment Services allows […]

Read more
SLES 15 — libcfg6 — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — libcfg6 — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 3 March 2026 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory RHSA-2025:7201 (see also SUSE bugzilla) Related CVEs: CVE-2025-30472 CVE-2026-35091 CVE-2026-35092 Upstream summary: Corosync through 3.1.9, if encryption is disabled or the attacker knows the encryption key, has a stack-based buffer overflow in […]

Read more
SLES 16 — libexiv2 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on SLES 16

SLES 16 — libexiv2 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 3 March 2026 Affected versions: SLES 16 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2026:20923-1 (see also SUSE bugzilla) Related CVEs: CVE-2025-26623 CVE-2021-29457 CVE-2023-44398 CVE-2025-54080 CVE-2025-55304 CVE-2026-25884 CVE-2026-27596 CVE-2026-27631  +12 more Upstream summary: Exiv2 is a C++ library and a command-line utility to read, write, delete […]

Read more
CHAT