Logging Monitoring

NetBSD 9.4 — p5-Catalyst-Plugin-Session — vulnerability — patch and remediation guide — diagnosis and fix on NetBSD 9.4

NetBSD 9.4 — p5-Catalyst-Plugin-Session — vulnerability — patch and remediation guide

  • February 21, 2026
  • BSD
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: NetBSD 9.4 📖 ~4 min read  •  Source: pkgsrc audit-packages entry Related CVEs: CVE-2025-40924 Upstream summary: pkgsrc audit-packages flagged p5-Catalyst-Plugin-Session<0.44 for vulnerability class 'lack-of-entropy'. Reference: https://nvd.nist.gov/vuln/detail/CVE-2025-40924 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]

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openSUSE Tumbleweed — libtpms0 — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — libtpms0 — multiple vulnerabilities (8 CVEs) — patch and remediation guide

  • February 21, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2023:1494-1 (see also SUSE bugzilla) Related CVEs: CVE-2023-1017 CVE-2021-3746 CVE-2026-21444 CVE-2025-49133 CVE-2023-1018 CVE-2021-3623 CVE-2021-3446 CVE-2021-3505 Upstream summary: An out-of-bounds write vulnerability exists in TPM2.0's Module Library allowing writing of a 2-byte data […]

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Debian 11 — mina2 — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — mina2 — multiple vulnerabilities (4 CVEs) — patch and remediation guide

  • February 21, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 21 February 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-0231 CVE-2021-41973 CVE-2024-52046 CVE-2026-41635 Upstream summary: Handling of the close_notify SSL/TLS message does not lead to a connection closure, leading the server to retain the socket opened and […]

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

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

  • February 21, 2026
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 21 February 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-3826 CVE-2026-42154 Upstream summary: A stored, DOM based, cross-site scripting (XSS) flaw was found in Prometheus before version 2.7.1. An attacker could exploit this by convincing an authenticated […]

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Debian 13 — ruby-bindata — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — ruby-bindata — vulnerability — patch and remediation guide

  • February 21, 2026
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 21 February 2026 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-32823 Upstream summary: In the bindata RubyGem before version 2.4.10 there is a potential denial-of-service vulnerability. In affected versions it is very slow for certain classes in BinData to […]

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Debian 12 — jackson-core — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — jackson-core — multiple vulnerabilities (2 CVEs) — patch and remediation guide

  • February 21, 2026
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 21 February 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2025-49128 CVE-2025-52999 Upstream summary: Jackson-core contains core low-level incremental ("streaming") parser and generator abstractions used by Jackson Data Processor. Starting in version 2.0.0 and prior to version 2.13.0, […]

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Windows Server 2016 — KB5078736 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2016

Windows Server 2016 — KB5078736 — 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 KB5078736 • MSRC update-guide entry Related CVEs: CVE-2026-23669 CVE-2026-23671 CVE-2026-23672 CVE-2026-23673 CVE-2026-24285 CVE-2026-24289 CVE-2026-24291 CVE-2026-24294  +12 more Affected components: Windows Server 2016 Microsoft summary: Use after free in RPC Runtime allows an […]

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Debian 13 — rpki-client — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — rpki-client — multiple vulnerabilities (3 CVEs) — patch and remediation guide

  • February 21, 2026
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 21 February 2026 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2021-3909 CVE-2021-43172 CVE-2021-43173 Upstream summary: OctoRPKI does not limit the length of a connection, allowing for a slowloris DOS attack to take place which makes OctoRPKI wait forever. […]

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Debian 12 — qt6-connectivity — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — qt6-connectivity — vulnerability — patch and remediation guide

  • February 21, 2026
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 21 February 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2025-23050 Upstream summary: QLowEnergyController in Qt before 6.8.2 mishandles malformed Bluetooth ATT commands, leading to an out-of-bounds read (or division by zero). This is fixed in 5.15.19, 6.5.9, […]

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Ubuntu 20.04 — python3.8 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — python3.8 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • February 21, 2026
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 21 February 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8018-2 Related CVEs: CVE-2025-15367 CVE-2025-15366 CVE-2026-0865 https://bugs.launchpad.net/bugs/2143706 CVE-2025-15282 CVE-2026-0672 CVE-2025-13837 CVE-2025-11468  +12 more Upstream summary: USN-8018-1 fixed vulnerabilities in python3. That update introduced regressions. The patches for CVE-2025-15366 and CVE-2025-15367 […]

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AIX AlmaLinux Alpine Linux authentication authorization Backup Recovery Boot Startup Cloud Integration Common Problems Cpu Memory Database Debian Debian 11 Debian 12 Bookworm Debian 13 Trixie DNS Firewall Fix Prevention FreeBSD FreeBSD 12 FreeBSD 13 FreeBSD 14 FreeBSD 15 Kernel Drivers Logging Monitoring Lvm Raid NetBSD Networking openSUSE Operations Oracle Linux Oracle Linux 8 Oracle Linux 9 Package Management Performance Proxy Security Hardening SLES Storage Disk Systemd Services Tls Ssl Troubleshooting ubuntu VPN windows server
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