Security Hardening

openSUSE Tumbleweed — pam_pkcs11 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — pam_pkcs11 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2025:20130-1 (see also SUSE bugzilla) Related CVEs: CVE-2025-24531 CVE-2025-24032 Upstream summary: In OpenSC pam_pkcs11 before 0.6.13, pam_sm_authenticate() wrongly returns PAM_IGNORE in many error situations (such as an error triggered by a smartcard […]

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openSUSE Leap 15.6 — libsodium23 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.6

openSUSE Leap 15.6 — libsodium23 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.6 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2026:0368-1 (see also SUSE bugzilla) Related CVEs: CVE-2025-69277 CVE-2025-15444 Upstream summary: libsodium before ad3004e, in atypical use cases involving certain custom cryptography or untrusted data to crypto_core_ed25519_is_valid_point, mishandles checks for whether […]

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openSUSE Leap 15.6 — apache2-mod_auth_openidc — multiple vulnerabilities (12 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.6

openSUSE Leap 15.6 — apache2-mod_auth_openidc — multiple vulnerabilities (12 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.6 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2023:1837-1 (see also SUSE bugzilla) Related CVEs: CVE-2023-28625 CVE-2025-3891 CVE-2025-31492 CVE-2024-24814 CVE-2019-14857 CVE-2019-20479 CVE-2021-32785 CVE-2021-32786  +4 more Upstream summary: mod_auth_openidc is an authentication and authorization module for the Apache 2.x HTTP […]

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Ubuntu 24.04 — google-guest-agent — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — google-guest-agent — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 21 March 2025 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7956-1 Related CVEs: CVE-2025-58181 CVE-2024-45337 CVE-2024-24786 Upstream summary: Jakub Ciolek discovered that the Go Cryptography module included in Google Guest Agent did not validate GSSAPI authentication requests during SSH operations. […]

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Windows Server 2016 — KB5048800 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2016

Windows Server 2016 — KB5048800 — 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 KB5048800 • MSRC update-guide entry Related CVEs: CVE-2024-49105 CVE-2024-49106 CVE-2024-49108 CVE-2024-49115 CVE-2024-49122 CVE-2024-49124 CVE-2024-49126 CVE-2024-49112  +12 more Affected components: Windows Server 2016 Windows Server 2016 (Server Core installation) Table of contents Symptom […]

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Ubuntu 24.04 — sqlite3 — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — sqlite3 — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 21 March 2025 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7751-1 Related CVEs: CVE-2025-7709 CVE-2025-6965 CVE-2025-29087 CVE-2025-29088 CVE-2025-3277 Upstream summary: It was discovered that the FTS5 SQLite extension incorrectly calculated certain array lengths. An attacker could use this issue to […]

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SLES 15 — libcryptopp5_6_5 — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — libcryptopp5_6_5 — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 21 March 2025 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2025:01816-1 (see also SUSE bugzilla) Related CVEs: CVE-2024-28285 CVE-2016-9939 CVE-2015-2141 Upstream summary: A Fault Injection vulnerability in the SymmetricDecrypt function in cryptopp/elgamal.h of Cryptopp Crypto++ 8.9, allows an attacker to co-reside in […]

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Red Hat Enterprise Linux 8 — python3.12-packaging — vulnerability — patch and remediation guide — diagnosis and fix on Red Hat Enterprise Linux 8

Red Hat Enterprise Linux 8 — python3.12-packaging — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Red Hat Enterprise Linux 8 📖 ~4 min read  •  Source: Red Hat advisory RHSA RHSA-2026:4460 Related CVEs: CVE-2025-61726 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative […]

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FreeBSD 14 — FreeBSD-kernel — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 14

FreeBSD 14 — FreeBSD-kernel — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 21 March 2025 Affected versions: FreeBSD 14 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: FreeBSD — Missing validation in ptrace(PT_SC_REMOTE) Related CVEs: CVE-2004-0230 CVE-2013-3077 CVE-2013-4851 CVE-2013-5209 CVE-2014-1453 CVE-2014-3000 CVE-2014-3711 CVE-2014-3873  +12 more Upstream summary: Problem Description: ptrace(PT_SC_REMOTE) failed to properly validate parameters for the […]

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Windows Server 2016 — KB5065509 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2016

Windows Server 2016 — KB5065509 — 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 KB5065509 • MSRC update-guide entry Related CVEs: CVE-2025-54918 CVE-2025-55226 CVE-2025-53799 CVE-2025-53797 CVE-2025-53798 CVE-2025-54095 CVE-2025-54096 CVE-2025-54097  +12 more Affected components: Windows Server 2016 Microsoft summary: Improper authentication in Windows NTLM allows an authorized […]

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CHAT